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Dissertations / Theses on the topic 'Flight crews'
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1
Carrillo, Cassandra M. "Continuous biometric authentication for authorized aircraft personnel : a proposed design." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Jun%5FCarrillo.pdf.
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Weir, Jeffery D. "A three phase approach to solving the bidline generation problem with an emphasis on mitigating pilot fatigue through circadian rule enforcement." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/23383.
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Klabjan, Diego. "Topics in airline crew scheduling and large scale optimization." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/29562.
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Luckey-Smith, L., and L. Lee Glenn. "Importance of Control Groups in Assessing Musculoskeletal Injuries in Medical Flight Crews." Digital Commons @ East Tennessee State University, 2012. https://dc.etsu.edu/etsu-works/7491.
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Greenfield, Pace Joe Ann. "The influence of accountability and commitment on team performance of airline flight crews." Thesis, Capella University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10008978.
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<p>The current quantitative correlational study used statistical analysis to determine if a significant relationship existed between accountability and commitment (predictor variables) and flight crew performance (criterion variable). A random sample of 205 flight crew personnel were selected from the targeted population of 371 personnel. Descriptive statistics were conducted on the sample and variables of interest. Cronbach?s alpha reliability statistics were also presented for the scales. Multiple linear regression tests were conducted to address the research questions. Accountability composite scores ranged from 3.25 to 5.00. Composite scores for commitment ranged from 2.63 to 4.43, and composite scores for team performance ranged from 3.72 to 4.28. Simple linear regression tests were used in the study to test two hypotheses that involved the influence of accountability and commitment on flight crew teams? performance. Findings for the study indicated that the assumptions were met and that a significant relationship existed between the influence of accountability and commitment on airline flight crew teams? performance. In addition, results from the linear regression tests determined that there were significant positive correlations between accountability and commitment (independent) and flight crews? team performance (dependent) variables.
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Holder, Barbara E. "Cognition in flight : understanding cockpits as cognitive systems /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1999. http://wwwlib.umi.com/cr/ucsd/fullcit?p9945784.
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Schaefer, Andrew James. "Airline crew scheduling under uncertainty." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/25121.
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Hodkinson, Peter David. "Prevention of hypoxia in helicopter aircrew : acceptable compromises." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708497.
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Shaw, Tina L. "Hybrid column generation for large network routing problems : with implementations in airline crew scheduling." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/25023.
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Smith, Daryl Raymond. "The effect of transactive memory and collective efficacy on aircrew performance /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/8734.
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Lettovsky, Ladislav. "Airline operations recovery : an optimization approach." Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/24326.
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Lim, Choi-ling. "Employee satisfaction : a service productivity and service quality issue : the case of airline cabin crew /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1795776X.
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Qiu, Shengli. "Airline crew pairing optimization problems and capacitated vehicle routing problems." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/51717.
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Crew pairing and vehicle routing are combinatorial optimization problems that have been studied for many years by researchers worldwide. The aim of this research work is to investigate effective methods for solving large scale crew pairing problems and vehicle routing problems. In the airline industry, to address the complex nature of crew pairing problems, we propose a duty tree method followed by a primal-dual subproblem simplex method. The duty tree approach captures the constraints that apply to crew pairings and generate candidate pairings taking advantage of various proposed strategies. A huge number of legal pairings are stored in the duty tree and can be enumerated. A set partitioning formulation is then constructed, and the problem is solved using a primal-dual subproblem simplex method tailored to the duty tree approach. Computational experiments are conducted to show the effectiveness of the methods. We also present our efforts addressing the capacitated vehicle routing problem (CVRP) that is the basic version of many other variants of the problem. We do not attempt to solve the CVRP instances that have been solved to optimality. Instead, we focus on investigating good solutions for large CVRP instances, with particular emphasis on those benchmark problems from the public online library that have not yet been solved to optimality by other researchers and determine whether we can find new best-known solutions. In this research, we propose a route network that can store a huge number of routes with all routes being legal, a set partitioning formulation that can handle many columns, and the primal-dual subproblem simplex method to find a solution. The computational results show that our proposed methods can achieve better solutions than the existing best-known solutions for some difficult instances. Upon convergence of the primal-dual subproblem simplex method on the giant-tour based networks, we use the near optimal primal and dual solution as well as solve the elementary shortest path problem with resource constraints to achieve the linear programming relaxation global optimal solution.
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MacFarlane, Campbell. "An assessment of deterioration of colour vision, contrast sensitivity and phorias as a result of hypoxia in persons resident at altitude." Diss., Pretoria : [s.n.], 2003. http://upetd.up.ac.za/thesis/available/etd-02012005-134122.
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Getley, Ian L. Department of Aviation Faculty of Science UNSW. "Cosmic and solar radiation monitoring of Australian commercial flight crew at high southern latitudes as measured and compared to predictive computer modelling." Awarded by:University of New South Wales, 2007. http://handle.unsw.edu.au/1959.4/40536.
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This study set out to examine the levels of galactic cosmic radiation exposure to Australian aircrew during routine flight operations, with particular attention to the high southern latitude flights between Australia and South Africa. Latitudes as high as 65?? South were flown to gain the data and are typical of the normal flight routes flown between Sydney and Johannesburg on a daily basis. In achieving this objective it became evident that suitable commercially available radiation monitoring equipment was not readily available and scientific radiation monitors were sourced from overseas research facilities to compliment my own FH4lB and Liulin monitors provided by UNSW. At the same time it became apparent that several predictive codes had been developed to attempt to model the radiation doses received by aircrew based on flight route, latitudes and altitudes. Further, it became apparent that these codes had not been subjected to verification at high southern latitudes and that they had not been validated for the effects of solar particle events. Initially measurements were required at the high latitudes followed by mid-latitude data to further balance the PCAIRE code to ensure reasonableness of results for both equatorial and high latitudes. Whilst undertaking this study new scientific monitors became available which provided an opportunity to observe comparative data and results. The Liulin, QDOS and a number of smaller personal dosimeters were subsequently obtained and evaluated. This appears to be the first time that such an extensive cross comparison of these monitors has been conducted over such a wide range of latitudes and altitudes. During the course of this study a fortuitous encounter with GLE 66 enabled several aspects of code validation to be examined, namely the inability of predictive codes to estimate the increased dose associated with a GLE or the effects of a Forbush decrease on the code results. Finally I review the known biological effects as discussed by numerous authors based on current epidemiological studies, with a view to high-lighting were the advent of future technology in aviation may project aircrew dose levels.
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Boke, Cem. "Combining and analyzing the tanker and aircrew scheduling heuristics." View thesis, 2003. http://handle.dtic.mil/100.2/ADA412689.
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Thesis (M.S.)--Air Force Institute of Technology, 2003.<br>Title from title screen (viewed Oct. 28, 2003). "March 2003." Vita. "AFIT/GOR/ENS/03-04." Includes bibliographical references (leaves 69-70). Also issued in paper format.
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Waite, Michele Jeannette. "Intercultural communication on a passenger aircraft flight deck: a qualitative study set in the context of South African corporate affirmative action policy." Thesis, Rhodes University, 1995. http://hdl.handle.net/10962/d1002591.
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The recent emphasis on Affirmative Action policies in South African corporations has illuminated the issue of cultural diversity in organizations and the difficulties arising from this transition and change. One such difficulty is the problem of intercultural communication where miscommunication can have life-threatening consequences. This problem is particularly critical in the operational environment of the passenger aircraft flight deck where small group factors, as well as intercultural issues must be taken into account. In this thesis the problem of intercultural communication in such contexts as a consequence of Affirmative Action is examined. The data for this thesis comprises the communication of five culturally diverse flight crews. A multi-method was used for the gathering and analysis of this data. This involved the use of video-taped flight simulator sessions, and personal interviews with each crew member. The subjects themselves were involved in identifying key communication problems from the video and interpretation of the data. Three levels of analysis were used in the interpretation of the findings - the individual, the group and the organization. The factors which affected communication at each level in the small, culturally diverse group are highlighted. Furthermore, factors which influence the climate in which communication takes place are also considered. The implications for Affirmative Action are discussed.
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Holmgren, Staffan. "Optimization of flight deck crew assignments on Scandinavian Airlines' intercontinental flights." Thesis, Linköping University, Department of Science and Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6506.
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<p>The harsh competition in the airline industry continuously forces airline carriers to streamline their production and cut back on costs. Manpower constitutes the largest expense in Scandinavian Airline System, closely followed by fuel costs. Thus effective crew planning is vital to face the competition from international actors and low cost carriers.</p><p>Creating efficient schedules for airline crew is a very complex combinatorial task and the process is heavily dependent on optimization. A large set of constraints comprised of union- and governmental rules as well as company policies and quality factors must be taken into consideration when the schedules are created.</p><p>This master thesis examines how the distribution of rank in the SAS international pilot corps affects the total cost associated with flight deck crew.</p><p>Long haul flights at SAS intercontinental are manned with a captain, a first officer and a relief pilot. Pilots may man lower ranking positions on any given flight in order to make efficient use of the pilot corps and to minimize the need of full time equivalents.</p><p>This work discusses the development and evaluation of a simulation environment developed in order to create and analyze fictitious crew populations with different distributions of rank. Furthermore the solution methods to the scheduling problem implemented at SAS and the optimization theory associated with them are discussed.</p><p>The project has resulted in an evaluation of the developed simulation environment and a discussion about the difficulties of analyzing crew populations with the systems currently in use at SAS.</p>
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Sevillian, Dujuan Brandez. "Flight deck engineering : impact of flight deck crew alerting and information systems on English as a second language flight crewmembers performance in airline flight operations." Thesis, Cranfield University, 2017. http://dspace.lib.cranfield.ac.uk/handle/1826/12078.
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There are many pieces of flight deck research on general use of written English language
technical information and problem solving using technical documentation. Contributory
causes of aircraft accidents have been due to misunderstandings of crew alerts and procedural
divergence by English as-a-second language flight crewmembers (ESL). Research was
conducted to understand impact of written English language technical information on ESL
flight crewmembers’ performance. Two types of systems were evaluated, technical
documentation and crew alerting systems that contain technical information, with respect to
their impact on ESL flight crewmember performance. Preliminary analysis results indicated
written English language technical information can be confusing, difficult to read and
interpret, and leads to misunderstandings by ESL flight crewmembers during aircraft nonnormal
conditions. English as-a-second language flight crewmembers indicated they often
experience problems executing written English language technical procedures after outset of
crew alerts.
Conversely, experimental trials revealed ESL flight crewmembers did not experience many
cognitive performance issues with use of crew alerting systems and technical information
designed with an English language emphasis. English as-a second language flight
crewmembers’ English language proficiency, background knowledge, and use of use of
metacognitive strategies to read and comprehend written English language on crew alerting
and information systems, indicated they utilized written English technical information with
ease. Particularly, ESL flight crewmembers’ workload was low, they had fast response times
to system faults, and they experienced minimal procedural deviations. On the contrary, when
ESL flight crewmembers utilized written English language technical procedures translated
into their native language during non-normal conditions, they experienced several cognitive
performance challenges. English as-a second language flight crewmembers’ background
knowledge of written English language technical information translated into their native
language, use of metacognitive strategies to read and comprehend written English language
translated into their native language, indicated they experienced difficulties with reading and
comprehending translated technical information on information systems. Particularly, ESL
flight crewmembers were challenged cognitively when they responded to crew alerts through
execution of decision-making processes. They indicated translation of written English
language technical information into their native language was a pre-cursor to procedural
deviation, long response times to system issues, as well as high workload during
experimental trials.
It is recommended that further research focus on design and use of written English language
technical documentation by ESL flight crewmembers during non-normal conditions. It is also
recommended that if deemed practical by the aviation industry, further research should focus
on design, integration, and utilization of technical documentation in a language(s) other than
English, and measurement of ESL flight crewmembers performance on the flight deck.
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Crawford, Kevin, and John Thomas. "DEVELOPMENTAL FLIGHT INSTRUMENTATION SYSTEM FOR THE CREW LAUNCH VEHICLE." International Foundation for Telemetering, 2006. http://hdl.handle.net/10150/604554.
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ITC/USA 2006 Conference Proceedings / The Forty-Second Annual International Telemetering Conference and Technical Exhibition / October 23-26, 2006 / Town and Country Resort & Convention Center, San Diego, California<br>The National Aeronautics and Space Administration is developing a new launch vehicle to
replace the Space Shuttle. The Crew Launch Vehicle (CLV) will be a combination of new
design hardware and heritage Apollo and Space Shuttle hardware. The current CLV
configuration is a 5 segment solid rocket booster First Stage and a new Upper Stage design
with a modified Apollo era J-2 engine. The current schedule has an Ascent Development Test
Flight (ADFT-0) with a First Stage and a dummy structurally identical, but without engine,
Upper Stage. The ADFT-0 test results will determine if there will be multiple ADFT flights.
There will be a minimum of two test flights with a full complement of flight hardware. After
the completion of the test flights, the first manned flight to the International Space Station is
scheduled for late 2014.
To verify the CLV’s design margins a developmental flight instrumentation (DFI) system is
needed. The DFI system will collect environmental and health data from the various CLV
subsystems’ and either transmit it to the ground or store it onboard for later evaluation on the
ground. The CLV consists of 4 major elements: the First Stage, the Upper Stage, the Upper
Stage Engine and the integration of these elements together. It is anticipated that each of
CLV’s elements will have some version of DFI. This paper will discuss a conceptual DFI
design for each element and also of an integrated CLV DFI system.
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Чужа, Олексій Олександрович, Ганна Андріївна Положевець, and Донченко І. "INFORMATIONAL SERVICES FOR CREW ABOUT MINIMAL CRITICAL FLIGHT VELOCITIES." Thesis, Національний авіаційний університет, 2014. http://er.nau.edu.ua/handle/NAU/11067.
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For determining of approaching of critical flight modes, warning systems are installed. However, signalizing about minimal indicated speed is neglected, it is controlled by auto throttle. Therefore, it is necessary to include Informational services for crew about minimal critical flight velocities into warning system.
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Baxter, Gordon. "State misinterpretation in flight crew behaviour : an incident based analysis." Thesis, University of Nottingham, 2001. http://eprints.nottingham.ac.uk/13645/.
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State misinterpretation has been identified as a causal factor in several accidents where humans were operating complex systems in dynamic domains. The concept of state misinterpretation, although undefined, is characterised by its unobservability, and its relative infrequency. These features make gathering data about state misinterpretation difficult. It was therefore decided to use archive incident report data; the NASA Aviation Safety Reporting System database was used. A definition of state misinterpretation was formulated and translated into database queries to retrieve relevant incident reports for a homogeneous set of expert pilots over a fixed time period. These reports were encoded using the Cognitive Reliability and Error Analysis Method suitably adapted to analysis of aviation incidents. Each report was categorised by the type of state misinterpretation, and a taxonomy of these types was developed. Those types which occurred more than 20 times were analysed at three levels of abstraction. First, a concordance of individual actions showed that communication failures, missed observations and distractions were the most common causal factors. Second, the sequences of possible causal actions showed that some sequences are common across different types of error and state misinterpretation. Third, the causal trees for each state misinterpretation type were quantitatively compared. The lack of measured similarity between the trees suggests that the types in the taxonomy are distinct. Most of the analysed incidents were preventable by better management of flight crew actions. Two particular sequences of actions dominated the results. The first is where the flight crew missed an observation when they were distracted by a competing task. The second is where a communication failure between the flight crew and air traffic control occurred. Some suggestions are offered about how flight crews can better manage their actions to prevent the occurrence of some types of state misinterpretation, thereby reducing incident numbers.
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Esper, Jennifer Eileen. "A study of International Space Station ground/crew communication methods with applications to human Moon and Mars missions." Master's thesis, Mississippi State : Mississippi State University, 2007. http://sun.library.msstate.edu/ETD-db/theses/available/etd-04052007-100431.
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Chan, Sze-wang Frankie. "Regional Airline Headquarters and Crew Training Centre at Chek Lap Kok." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25947229.
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Yue, Philip. "An airline cabin crew appraisal system with a service quality approach /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1798242X.
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Radu, Alexandru. "Robust airline crew pairing optimization for short-haul flights." Thesis, KTH, Optimeringslära och systemteori, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-222340.
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Crew costs are the second highest costs for airlines therefore they represent a key factor for an airline survival and crew scheduling is one of the hardest combinatorial problem. The scheduling process is broken down into crew pairing and crew rostering and, in this thesis, a robust solution is described in detail for the former one. The purpose of the thesis is to present an efficient and robust crew pairing optimization tool which minimizes the pairings costs and reduces unnecessary overcovers. The model framework is based on a new concept which involves four stages. During the first stage all roundtrip combinations are generated then in the second stage the roundtrips generated are optimized and the optimal solution is used in the third stage to generate all pairing combinations. And the last one, the fourth stage, optimizes the pairings obtained from the third stage. An augmented set covering problem is used to for the problem formulation where the unknown variables can take just integer values. A mixed integer programming solver from Google OR has been used to solve the optimization problem. In the last chapter numerical results are presented which show the efficiency of using this model framework.<br>Besättningskostnader är den näst största kostnadsposten för ett flygbolag. De spelar därmed en nyckelroll i ett flygbolags överlevnad. Schemaläggning för besättning är ett mycket svårt kombinatoriskt problem. Schemaläggningsprocessen är indelad i två delmoment: crew pairing och crew rostering. I detta arbete presenteras en robust lösning på det tidigare problemet. Syftet med rapporten är att presentera ett effektivt och robust optimeringsvektyg för att minimera kostnaderna för pairingar och minska ickenödvändig övertäckning. Ramverket för modellen är baserat på ett nytt koncept vilket involverar fyra steg. I första steget skapas pairingar som rundresor, dvs. de slutar så snart en flight i pairingen når flygplatsen som pairingen började på. I det andra steget löses ett optimeringsproblem för attt hitta den optimala kombinationen av dessa rundresor, därefter genereras pairingar på nytt i det tredje steget. I detta steg genereras pairingar baserade på lösningen i det förra steget. Slutligen i det fjärde steget erhålles en optimal lösning baserat på en optimeringsmodell som använder sig av pairingar från det tredje steget, Optimeringsproblemet är formulerat som ett utvidgat övertäckningsproblem där variablerna enbart kan anta heltalsvärden, och en heltalslösare från Google OR tools används för att lösa detta problem. I det sista kapitlet presenteras numeriska resultat från modellen.
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Ellis, Kyle Kent Edward. "Flight deck crew coordination indices of workload and situation awareness in terminal operations." Diss., University of Iowa, 2014. https://ir.uiowa.edu/etd/1313.
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Crew coordination in the context of aviation is a specifically choreographed set of tasks performed by each pilot, defined for each phase of flight. Based on the constructs of effective Crew Resource Management and SOPs for each phase of flight, a shared understanding of crew workload and task responsibility is considered representative of well-coordinated crews. Nominal behavior is therefore defined by SOPs and CRM theory, detectable through pilot eye-scan. This research investigates the relationship between the eye-scan exhibited by each pilot and the level of coordination between crewmembers.
Crew coordination was evaluated based on each pilot's understanding of the other crewmember's workload. By contrasting each pilot's workload-understanding, crew coordination was measured as the summed absolute difference of each pilot's understanding of the other crewmember's reported workload, resulting in a crew coordination index. The crew coordination index rates crew coordination on a scale ranging across Excellent, Good, Fair and Poor.
Eye-scan behavior metrics were found to reliably identify a reduction in crew coordination. Additionally, crew coordination was successfully characterized by eye-scan behavior data using machine learning classification methods. Identifying eye-scan behaviors on the flight deck indicative of reduced crew coordination can be used to inform training programs and design enhanced avionics that improve the overall coordination between the crewmembers and the flight deck interface. Additionally, characterization of crew coordination can be used to develop methods to increase shared situation awareness and crew coordination to reduce operational and flight technical errors. Ultimately, the ability to reduce operational and flight technical errors made by pilot crews improves the safety of aviation.
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Watson, David William. "Heart rate variability in the assessment of workload and fatigue in airline flight crew." Thesis, Imperial College London, 2006. http://hdl.handle.net/10044/1/8530.
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余兆榮 and Philip Yue. "An airline cabin crew appraisal system with a service qualityapproach." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31267828.
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Chan, Sze-wang Frankie, and 陳仕宏. "Regional Airline Headquarters and Crew Training Centre at Chek LapKok." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31984423.
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Pritchett, Amy R. (Amy Ruth). "Variations in party line information requirements for flight crew situation awareness in the datalink environment." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/49924.
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Dickey, Scott. "Brigade aviation element : providing the brigade combat team with the ability to plan and synchronize aviation assets into the ground commander's scheme of maneuver /." Fort Leavenworth, KS : US Army Command and General Staff College, 2007. http://handle.dtic.mil/100.2/ADA471279.
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Jones, Douglas W. "An evaluation of the effectiveness of U.S. Naval Aviation Crew Resource Management training programs a reassessment for the twenty-first century operating environment." Thesis, Monterey, Calif. : Ft. Belvior, VA : Alexandria, Va. : Naval Postgraduate School ; Available to the public through the Defense Technical Information Center ; National Technical Information Service [distributor], 2009. http://www.dtic.mil/dtic/.
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Thesis (M.S. in Human Systems Integration)--Naval Postgraduate School, June 2006.<br>"June 2009." Thesis advisor: Paul E. O'Connor. Performed by the Naval Postgraduate School, Monterey, Calif. "Submitted in partial fulfillment of the requirements for the degree of Master of Science in Human Systems Integration from the Naval Postgraduate School, June 2009."--P. iii. Includes bibliographical references. Also available online from the Naval Postgraduate School (NPS), Dudley Knox Library Web site and the DTIC Online Web site.
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Allan, Michael J. "An exporation of the cabin crew lifestyle and role : A study into the willingness of flight attendants to deliver emotional labour." Thesis, University of East London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.536611.
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Previous research (Allan, 2005) indicated that full time longhaul flight attendants for a major international airline, who voluntarily moved to part time contracts, have a higher absenteeism levels than their full time colleagues. The purpose of this study was to explore the flight attendant role and lifestyle and investigate whether different lifestyle choices affected the willingness of flight attendants to engage in emotional labour. The cohort was recruited from within the longhaul fleet of a major British legacy carrier airline and all the participants were volunteers. The cohort consisted of full time and part time, male and female flight attendants with different lengths of service, seniority and grades within the specified airline. The unique employment conditions of the cohort enabled a minimisation of confounding variables identified in previous part time employee research. The study utilised a mixed methodology of thematic analysis (N=6) and Q methodology (N=23) to investigate the differing lifestyle and role priorities of a group of longhaul flight attendants. The epistemological debate regarding mixed methods was investigated as part of the research, with thematic analysis used to gain an in depth understanding of full time and part time employee perspectives. Sixty nine (69) statements, generated from the thematic analysis were utilised for the Q method section of the study and PCQ computer software (Stricklin, 1996) used to undertake analysis. Four factors were identified. Results indicate that the full time flight attendants within the cohort have stronger job satisfaction and involvement with the organisation dependant on their seniority, length of service and level of autonomy, in line with the literature. Indications are that the most satisfied full time employees also invested the most effort in remaining connected to the organisation during their days off. All of the established part time employees identified onto one factor indicating significantly different priorities, with differing attitudes towards the provision of emotional labour and the content prioritisation of their psychological contract in comparison to their full time colleagues. The analysis indicates that the length of time disconnected or detached from the organisation may well contribute to the higher levels of absenteeism with the anticipated or perceived effort involved in providing emotional labour being a distinguishing factor. This research gives an in depth understanding of the possible causes of absenteeism for part time employees who deliver emotional labour, raising the question of the necessity for a differing management style, contracting and level of engagement to meet differing expectations. This research raises that question that contrary to the literature part time employees may have a different priority order within their psychological contract and employers may need a different approach when trying to engage and motivate these employees.
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Harvey, Geraint Wyn. "The management of pilots : assessing the impact of HR practice and HR philosophy on the attitudes of flight crew in the UK civil aviation industry." Thesis, Cardiff University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.410356.
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Munk, Tomáš. "Vícečlenné posádky dopravních letadel." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229204.
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The aim of this master„s thesis is detailed study of multipilot airliner?s crew in sence of optimalization of its actions, which is known as Crew Resource Management (CRM). This paper shows what is the main purpose of CRM through the air crash investigations and human factor analysis. According to this findings, the last chapter presents problems of flight crew planning and personnel selection.
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Nery, Maria Luiza Costa. "Frequência e prevalência de diagnósticos psiquiátricos determinantes do afastamento de comissários de bordo da atividade aérea." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/6/6134/tde-28092009-150841/.
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A Organização Mundial da Saúde (OMS) considera que os transtornos mentais menores, que incluem depressão e ansiedade, afetam aproximadamente 30% dos trabalhadores. Objetivo: Verificar a freqüência, e a taxa de prevalência de transtornos mentais entre Comissários de Bordo afastados das atividades profissionais. Métodos: Foram analisados os prontuários de 648 comissários de bordo, 105 homens e 543 mulheres, que realizaram perícia durante um período de cinco anos e receberam como parecer de afastamento pelo menos um diagnóstico do agrupamento F00-F99 da CID- 10, associado ou não a doença ou transtorno orgânico. Resultados: Comissários de Bordo ingressam cedo no mercado de trabalho (50,5 por cento dos homens e 70,5 por cento das mulheres recebem sua certificação profissional entre os 18 e os 22 anos), e também adoecem cedo (81,9 por cento dos homens até os 41 anos; 84,3 por cento das mulheres até os 35 anos), em média após 10 anos de trabalho (11,9 anos para homens, 9,4 anos para mulheres). Os diagnósticos mais freqüentes como causa de afastamento foram, pela ordem, F32 episódios depressivos (44,5 por cento homens; 35,49 por cento mulheres), e F41 outros transtornos ansiosos (20,1 por cento dos homens; 22,9 por cento das mulheres). Discussão e Conclusão: As mulheres adoecem mais ced por cento o do que os homens, e são afastadas do trabalho principalmente por episódios depressivos. Os homens são afastados principalmente devido a transtornos ansiosos. Os dados concordam com a literatura, que aponta menor número de homens diagnosticados com transtornos mentais menores. A maior freqüência desses transtornos entre Comissários de Bordo, em comparação com as demais categorias profissionais, pode se dever a fatores associados à organização do trabalho e a fatores psicossociais do trabalho, mas os dados coletados neste estudo não permitiram verificar essa hipótese.<br>According to the World Health Organization (WHO), minor mental disorders, which include depression and anxiety, affect about 30 per cent of workers. Objective: To verify the frequency and the prevalence index of mental disorders among Flight Attendants withdrawn from their work. Methods: The electronic files of 648 flight attendants 105 male and 543 female were analyzed. They were evaluated during a 5-year delay, and were withdrawn from work due to at least on diagnostic of group F00-F99 of IDC-10, associated or not to organic disease(s) or condition(s). Results Flight Attendants begin to work early: 50.5 per cent of males and 70.5 per cent of females get their professional certification between 18 and 22 years old, and also get sick early: 81.9 per cent of males up to 41 years old; 84.3 per cent of females up to 35 years old, and after 10 years of work, approximately: 11.9 years for males, 9.4 years for females. The most frequent diagnostics registered as cause of withdrawn from work were F32 Depressive episode (44.5 per cent of males; 35.5 per cent of females), and F41 Other anxiety disorders (20.1 per cent of males; 22.9 per cent of females). Discussion and Conclusion: Women get sick sooner than men, and are withdrawn from work mostly due to depressive episodes. Men are withdrawn from work mostly due to anxiety disorders. The data agrees with the literature, which points out a smaller number of males diagnosed with minor mental disorders. The larger frequency of these disorders among Flight Attendants, in comparison with other professional groups, might be due to factors linked to the work organization and psychosocial factors of the job, but the data collected in this study did not allow to verify this hypothesis.
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Martins, Francisco José. "Uma abordagem para a solução de problemas de rotações de tripulações para empresas aéreas utilizando busca tabu e janelas de tempo." Universidade do Vale do Rio do Sinos, 2007. http://www.repositorio.jesuita.org.br/handle/UNISINOS/2253.
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Made available in DSpace on 2015-03-05T13:59:42Z (GMT). No. of bitstreams: 0
Previous issue date: 27<br>Nenhuma<br>As escalas de tripulações em companhias aéreas é um fator importante na logística de operações dessas empresas e um problema interessante para a aplicação de Pesquisa operacional. Os custos com tripulantes no transporte aéreo são extremamente altos, superiores a 20% dos custos de operações das empresas. Diante desse contexto, este trabalho vem abordar o problema de rotações de tripulações em empresas aéreas. Uma rotação de tripulação – crew pairings – é uma seqüência de etapas ou segmentos de vôo que começam e terminam em uma base domiciliar de tripulantes. O objetivo deste planejamento é encontrar um subconjunto dessas rotações com custo mínimo e que cubra todas as etapas de vôo na programação da empresa atendendo as restrições inerentes ao problema. O trabalho desenvolveu uma solução para o problema com um modelo set covering/set partitioning, primeiramente, promovendo, uma solução inicial viável que foi aplicada, numa segunda etapa, a um processo de otimização utilizando a meta-heurística
Busca Tabu e jan<br>The flight scheduling crews in airliners are an important factor in logistic of operations of a these companies and interesting problem for the application of Operational Research. The costs
with crew members in the air transportation are extremely high, superior 20% of the costs of operations of the companies. So, this study presents an approach of the crew pairing problem in airlines. The objective of this planning is to find a subgroup of these pairings with minimum cost and that it covers all the flight legs in the programming of the airliners taking care of the inherent restrictions to the problem. The solution for the problem implemented a set covering/set
partitioning model, first, promoting, a viable initial solution that was applied, in one second stage, to optimize process using the meta-heuristic Tabu Search and time windows. The results had disclosed values satisfactory, demonstrating solutions that, compared with the real solution, had promoted minimization indices superior 70%. The validation
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WEN-CHING, WEN, and 溫文敬. "Analyzing the Factors of Flight Fatigue of Naval Flight Crews." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/47186699945249795909.
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碩士<br>開南大學<br>空運管理學系<br>97<br>Based on the analysis of global airline accidents, the men made mistake by flight crew, the major cause, was responsible for about 70% of total airliner accidents. The US Federal Aviation Administration (FAA) data also indicates that about 80% of the flight accidents were related to human factors. Flight safety has been affected by human factors and mostly by flight fatigue. Flight fatigue, which is the catalyst of safety incident, will impair the ability of the flight crews and increases the difficulty of the aircraft operation. Moreover, it may also trigger a misjudgment of the safety incidents. It is uncertain and unpredictable when the safety will be affected by flight fatigue. Both flight management and flight crew should take necessary precautions to avoid any accident occur.
The Naval flight crews stay in small cabin on fixed-wing anti-submarine aircraft for heavy-task mission. The long-flight hours mission is often taken in the low tide of physiological period which against human circadian rhythm. This over limit of human physiology can not be overcome by training. The most important subject on flight safety is to prevent fatigue. This study is to identify the factors of flight fatigue by interviewing the naval flight crews by professional staffs, and to analysis the survey by using SPSS statistical software and IPA (importance-performance analysis). Finally, based on the meta-analysis on most frequent-serious factors, provide the improvement suggestions to flight safety department and the managers for future naval P-3C, long-range fixed wing anti-submarine aircraft, flight crews’ assignment.
Keywords: Fatigue, human factor, IPA（importance-performance analysis）
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Sukhia, Cherag R. "Functional analysis of flight crew performance : a systems engineering perspective on crew resource management." Thesis, 1994. http://hdl.handle.net/1957/35090.
Full textAbstract:
Many failures of interpersonal communication and coordination in the aircraft
cockpit have been found to occur as a result of poor management of flightdeck 'resources'.
Crew Resource Management (CRM) is a concept that has evolved within the aviation
community to specifically address this issue of resource management.
The concept of CRM has necessitated a paradigm shift from individual pilot issues
to crew behavior or group-level issues. Despite a decade of research, CRM remains a
poorly defined concept.
Ongoing research in the field of CRM has led to the development of a few models
of CRM and group performance, but although these models provide valuable insight into
the issues involved, they fail to present a much needed, coherent theory of crew
performance. I believe that the application of the principles of systems engineering can lead
to a better definition of the terms and concepts involved in CRM, thereby leading to its
better understanding.
Using the principles of Structured Analysis and Design Technique (SADT) and
IDEF0, I developed a model of crew performance. By treating the crew as a system,
performance was analyzed from a CRM perspective, resulting in a functional model of
crew performance which acts as a framework for understanding and integrating the various
terms and concepts involved in CRM, such as mental models and situation awareness. The
model was then applied towards analyzing two aircraft accidents representative of "good"
and "bad" CRM.
The model is potentially useful in developing objective measures of crew
performance so as to enable the establishment of CRM standards for evaluation. A
comprehensive representation of crew performance, it can be applied to analyzing aircraft
accidents and incidents. It is also potentially useful as an instructional aid in the
development of training programs for CRM instructors and check airmen, and in the design
of flightdecks.<br>Graduation date: 1995
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Loh, Sylvia. "Flight crew fatigue in Australian short-haul operations and methodologies for assessing fatigue in-flight." 2004. http://arrow.unisa.edu.au:8081/1959.8/24975.
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The focus of this thesis is fatigue in aviation. It presents a detailed analysis of subjective fatigue and sleep patterns in short-haul operations. This operation was chosen because short-haul rosters encompass a range of scheduling factors that have been identified in the shiftwork literature as having a negative impact on alertness and performance. It is contended that studies examining these factors in the commercial aviation industry are scarce, and of those available, limited to investigations conducted outside of Australia. In addition, this thesis addresses a methodological limitation that has, to date, restricted the ability to measure fatigue during flight. It is contended that the scarcity of in-flight studies stems from the lack of a suitable performance test for measuring fatigue in time-constrained operating environments, such as aviation. The studies presented in this thesis are divided into two sections. The first section comprises three aviation studies conducted in Qantas airlines. The first two aviation studies examined the effects of scheduling factors on the subjective fatigue of flight crew employed by Qantas airlines. Two different populations were examined: B767 and B737 flight crew. Participants rated their fatigue and recorded information about their flying patterns for a minimum of 15 days. The results indicated that flight crew experienced mild to moderate fatigue in relation to their work. Importantly, different scheduling factors contributed to fatigue, including length of the flight duty period, number of flying hours, and duty start times. The third aviation study examined the sleep of B737 flight crew across a 3-day schedule. Sleep quantity and quality were determined from a sleep diary and wrist actigraphy data. The results indicated that sleep offset time, sleep duration, and sleep quality significantly varied across the schedule. In addition, early morning start times and late evening end times were key factors contributing to reduced sleep. The second section of this thesis comprises two laboratory studies that assessed the sensitivity of a brief (i.e. less than 10 minutes) psychomotor vigilance task (PVT) to the effects of sleep loss. A preliminary study compared performance during the 10-minute PVT with performance during the first half of the PVT during a night of wakefulness (23:00 ? 07:00 hours). A subsequent study compared performance during a 10-minute PVT with performance during a 90-second PVT and a 5-minute PVT during 28 hours of sustained wakefulness. The findings of the latter study indicated that performance during the 5-minute PVT and the 90-second PVT deteriorated in a manner similar to that observed during the standard 10-minute PVT. However, in line with the findings reported in the preliminary study, the shorter the task sampling time, the less sensitive the test to response slowing and performance variability. Based on these findings, it was surmised that a 5-minute PVT is likely to provide a more accurate measure of performance impairment than a test of shorter duration. Moreover, it was proposed that a 5-minute PVT may provide researchers with a reliable test for assessing changes in performance. In summary, the results of the aviation studies indicate that a number of scheduling factors contribute to fatigue and disturbed sleep in Australian domestic operations. The findings of this thesis are of particular concern, given that current aviation regulations do not fully consider the extent to which scheduling demands affect flight crew. It is apparent that flight crew would benefit from the incorporation of such findings into duty and rest limitations and scheduling procedures. Evidence demonstrating that (1) fatigue accumulates across the flight duty period, and (2) flight crew are at particular risk of higher fatigue when they are rostered to work an early morning duty suggests that the length of the flight duty period, the number of sectors worked and the timing of the duty period warrant particular attention. Finally, the results of the laboratory studies hold particular promise for future research, since they suggest that the 5-minute PVT may provide researchers with an alternative tool for investigating fatigue in the flying environment.<br>thesis (PhD)--University of South Australia, 2004.
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CHEN, JOHN, and 陳強. "Flight Crews’ Recognition of Threatening Factors from Air Traffic Control and Aerodrome Facility." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/94518672262706467557.
Full textAbstract:
碩士<br>國立交通大學<br>管理學院碩士在職專班運輸物流組<br>96<br>As statistics shows 80%accidents were resulted to Human Error and the Flight Crews are the last barrier of defense mechanism. By collecting literature reference, we found the contribution factors to the stress of Flight Crew as follows: information related to flight operations, complexity of flight path, internal/external environment factors, and performance of Air Traffic Controllers and so on. To specify what may cause the threat in the external environment, we classify Aerodrome Facility and Air Traffic procedure. To minimize the particular issues what the Flight Crews are concerned, this study concludes the Runway facility, Taxiway facility and other related issued for Aerodrome Facility; taxi before take-off, initial climb, cursing, descending and taxi after landing for Air Traffic Control procedure.
From this study we may get some useful information, which are: unsatisfied with facility and procedure such as:
Airport facilities can be seen on the part of flight operations directly affect the runway, taxiways satisfaction are poor, at the airport and Makung airport taxiway blazing dissatisfied with the quality of the most obvious. Most of the reasons for their dissatisfaction is the runway, taxiways not straight, uneven pavement, and frequent flight or maintenance of the quality.
Flight stage part of a phenomenon can be found, regardless of where an airport, as long as the flight controllers and more contact with the stage of a more dissatisfied with the project that is taking off and climbing up and drop-stage approach Air controllers have frequent contact with the more dissatisfied with the project, level flight stage, a mediocre response.
In the aerodrome of a whole, the country's flight crews are Sung-Shan Airport as the main operating the airport, followed by the Kaohsiung Hsiaokang Airport. And the recovery of the study questionnaire to the number three airports in the majority, followed by the Sungshan Airport outward flights to the airport, the results of this study may show what airport the flight crews concern the most
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Madhavan, Devadasan. "Cockpit task management errors : an ASRS incident report study." Thesis, 1993. http://hdl.handle.net/1957/36121.
Full textAbstract:
The flightcrew of a modern airliner operates in a multi-tasking environment with
several tasks competing for the same attentional resources at the same time. Too many
tasks vying for the crew's attention concurrently imposes a heavy workload on the
flightcrew. This results in the satisfactory execution of some tasks at the expense of
others. Consequently, flightcrews must manage cockpit tasks a process we call Cockpit
Task Management (CTM). Funk (1991) defines cockpit task management (CTM) as the
process flightcrews use to prioritize cockpit tasks, allocate required resources, initiate
and terminate multiple concurrent tasks.
Despite improvements in aircraft reliability and advancements in aircraft cockpit
automation, "pilot error" is cited as the main reason (over 60% of all aircraft accidents)
for planes still falling out of the skies. One of the objectives of this research was to
determine the significance of CTM errors in "pilot errors". Having established its
significance, the next step was to refine the existing error taxonomy of Chou & Funk
(1991). A structured error classification methodology was also developed for classifying
CTM errors and validated using 470 Aviation safety Reporting System (ASRS) airline
incident reports.
This study identified CTM errors as a significant component of "pilot errors"
accounting for 231 of the 470 incidents analyzed (49.2%). While Task Initiation errors
accounted for the largest of the general error categories (41.5%), it was the Task
Prioritization errors (35% of general and specific error categories) that unlocked the door
that led to error committals in the other error categories. Task Prioritization errors led to
Resource allocation errors which, in turn, resulted in several kinds of errors being
committed in the other categories.
The findings had implications that were largely training-based. In particular, the
importance of pilot education which CTM provides (as opposed to crew training that
CRM provides) is emphasized. The incorporation of formal CTM concept into existing
CRM training programs was advocated. In addition, a staggered scheduling mechanism
in crew training agenda involving CTM, CRM, Line-Oriented-Flight-Training (LOFT)
and simulator sessions was suggested. A recommendation was made for a
comprehensive Cockpit Task Management System (CTMS) to be installed in the cockpit
to help crews to prioritize tasks and remind them of the need to initiate, terminate or reprioritize
tasks as necessary. The inclusion of Air Traffic Control personnel in flightcrew
training sessions was also recommended.<br>Graduation date: 1994
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Ye, Xugang Blumsack Steve. "A heuristic method for a rostering problem with the objective of equal accumulated flying time." 2003. http://etd.lib.fsu.edu/theses/available/etd-11302003-035241.
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Thesis (M.S.)--Florida State University, 2003.<br>Advisor: Dr. Steve Blumsack, Florida State University, College of Arts and Sciences, Dept. of Mathemtics. Title and description from dissertation home page (viewed Mar. 3, 2004). Includes bibliographical references.
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Venter, Dewald Herman. "Crew resource management : a model for safety training in the South African adventure industry." Thesis, 2012. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1000534.
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Thesis (M.Tech : Adventure Tourism Management)--Tshwane University of Technology, 2012.<br>Investigates the successful utilisation of CRM in various high risk industries, in order to reduce the incidence of fatal and serious accidents, and incidents.
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鄭庭君. "Crew Resource Management Awareness and Flight Safety: A Case Study on Flight Crew Gender." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/11415730344693595756.
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碩士<br>逢甲大學<br>運輸科技與管理學系<br>104<br>The present study investigated the effect of the atmosphere and crew resource management of female pilots in the cockpit, looking forward to enhance teamwork through femininity.
The first part of this study is qualitative depth interviews research, interviews with National Airlines Flight competent, male and female pilots, the main purposes are: (1) company recruitment policy and purpose of female pilots; (2) the evalution of flight director on women pilot; (3) the views of male and female co-pilot duty time; (4) female pilots for their overall performance and experience at work; (5) after the female joined the cockpit, the cockpit crew and culture resource management performance impact.
The second part questionnaire to explore crew resource management and flight safety of the relevance of the present study through literature review to crew resource management seven facets, through the reliability analysis to discuss the relevance and influence about crew resource management and flight safety .
In the interview section, the results show that after women joining the ranks of pilots, not only to ease the cockpit atmosphere, the crew resource management effectiveness also has the bonus effect on the establishment of womens competence for this occupation. Part of the questionnaires found that flight crew resource management of safety have significant correlation.
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Chang, Shan-wei, and 張善為. "The study on Relationship between Flight crew Paring and Flight Safety: A CRM Perspective." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/24052632279516226008.
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Kuo, Chien-chen, and 郭建辰. "The Effects of Cabin Crew Training on Flight Safety Performance." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/39662878198118668649.
Full textAbstract:
碩士<br>國立成功大學<br>交通管理學系碩博士班<br>95<br>This study uses Kirkpatrick’s (1996) four level of training evaluation model to discuss the effect of cabin crew training on flight safety performance, especially on emergency and safety training. Three factors of reaction, four factors of learning, two factors of behavior and two factors of flight safety performance are identified based on factor analysis. Three factors of reaction are “training contents”, “trainer’s ability” and “training methods”, four factors of learning are “working attitude”, “professionalism”, “crisis management” and “knowledge”, two factors of behavior are “procedure obedience” and “teamwork”, two factors of flight safety performance factors are “communication and situation awareness” and “emergency judgment”.
This study also uses Structural Equation Model (SEM) to find the cause and effect among all dimensions. The findings show that reaction has a sighificant positive impact on learning, learning has a sighificant positive impact on behavior and flight safety performance, and behavior has a sighificant positive impact on flight safety performance. Therefore, learning plays an important role to be an intermediary dimension of training evaluation.
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Chen, Chin-Kuei, and 陳進貴. "Helicopter Flight Crew Resource Management-Relief Mission of Human Factors Research." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/05717850885437720575.
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碩士<br>崑山科技大學<br>資訊管理研究所<br>101<br>Flying a helicopter is a complicated job included many different system operations. If one of them makes wrong decision, it will cause dangerous disaster situation. Especially, flying in the bad weather condition, for example in the typhoon or in the canyon, there are strong wind and some barriers. In Taiwan, there is not enough rescue helicopters to save the people in dangerous, so the military helicopter have to support the rescue task. But most of the pilots in military are insufficient training for this work. Especially in the bad weather condition, the wind direction change suddenly and the communication between the fly crew is a critical factors to make a job succeed. Because the helicopter pilots often lost sight due to the weather factors and made big disaster. So the co-pilot has to help the chief pilot to overcome such problems.
From the investigation about the flight accident, the key element is the human factors. And there are a lot of researchers proposed the Crew Resource Management (CRM) to solve the problems, and to reduce the probability of the human errors. The Crew Resource Management has been verified as a good training program in flight.
In this thesis, we introduced the SHELLO structure model combined with the CRM theory. We analyzed the five dimensions including the people, the software, the hardware, the environment, and the organization. Using the questionnaire and statistic method to find which dimension are the most important factors in a recue task for a helicopter pilot. In the research, we found the people are the key factor to succeed.
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Kang, Yi-Chuan, and 康益全. "Exploring Potential Causes of Fatigue Based on the Flight Crew Voluntary Reports." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/62487016833995247817.
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碩士<br>國立交通大學<br>管理學院運輸物流學程<br>103<br>Well implementation of the fatigue management has become the important trend of flight safety improvement in the aviation industry. Experts and scholars have completed numerous of researches related to fatigue management of cockpit flight crewmembers. However, the data sources of their researches are questionnaires, interviews and records of physiological monitoring equipment mostly. Besides, the data has more subjective elements for those sample providers knowing that they are being part of the research. In this research, data source is the database of flight crewmembers’ voluntary reports of sample airlines with 2010-2014, 5 years period of time. Those data are more objective as the reports are voluntary and gratuitous. Furthermore, the reporters are never known that their reports will be the future research data. Regarding the research methods, this study applies the knowledge discovery in database processes and decision tree algorithm modules. Eventually explored twelve classification rules of potential fatigue causes in all fleets type flight patterns of sample airlines and recommend six management significations accordingly. The results of this study enables sample airlines could reduce or eliminate occurrence rate of fatigue when design future flight duty patterns.