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Journal articles on the topic 'Total Flight-Hours'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Wheeler, Brooke, Jessica Mumfrey, and Drew Dolan. "Examining Part 141 flight training: Flight hours and days to instrument rating." Journal of Management and Engineering Integration 14, no. 2 (2021): 43–49. http://dx.doi.org/10.62704/10057/24780.

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Understanding the efficiency of flight training in collegiate programs is essential as Part 141 training aims to create safe pilots with lower training times. The purpose of this study was to determine whether there is a relationship between the total flight hours and the total calendar days it takes to complete the FAA Part 141 instrument flight training course. We used a correlational design to analyze the relationship between the variables; the records used were those who had enrolled in the instrument course and successfully passed the instrument check ride. Examining the Part 141 flight s

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2

Fazlin Khuzaima, Retno Wibawanti, Agus Sugiharto, Wawan Mulyawan, M. Ilyas, and Dewi S. Soemarko. "Relationship between Total Flight Hours and Individual Factors with Low Back Pain in Indonesian Military Helicopter Pilots." Indonesian Journal of Community and Occupational Medicine 3, no. 1 (2023): 9–16. http://dx.doi.org/10.53773/ijcom.v3i1.89.9-16.

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Introduction: Helicopter pilots are potentially at risk of Low Back Pain (LBP) and are twice as likely as fighter pilots to experience it. Helicopter pilots’ LBP is caused by a combination of risk factors: engine and rotor vibration, ergonomic risks due to cockpit design, static seating position due to operations, and individual factors. These factors are incorporated into cumulative aviation risk exposure, which can be measured by total flight hours. The prevalence of LBP in Caucasians is high, at 50.5%-92%. However, there has not been any research on Indonesian military helicopter pilots who

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He, Peng, and Ruishan Sun. "Research on Cross-Correlation, Co-Integration, and Causality Relationship between Civil Aviation Incident and Airline Capacity in China." Sustainability 14, no. 9 (2022): 4999. http://dx.doi.org/10.3390/su14094999.

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Aviation incident is a crucial approach for accident prevention and safety improvement. It is of remarkable practical significance to clarify the relationship between aviation incidents and airline capacity. In the present study, time-series analysis methods, such as cross-correlation, co-integration, and causality analysis are employed to explore the longitudinal relationship between airline capacity (measured by flight hours) and aviation incidents in seven different categories in China from 1994 to 2020. The obtained results indicate the existence of a substantial positive correlation betwe

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Tisera, Simplisius Cornelis, Amilya Agustina, and Dewi Sumaryani Soemarko. "Total Flight Hours and Other Factors Associated with Hyperuricemia in Civilian Pilots." Aerospace Medicine and Human Performance 93, no. 1 (2022): 22–25. http://dx.doi.org/10.3357/amhp.5785.2022.

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BACKGROUND: In the aviation world, hyperuricemia can endanger flight safety through the risk of incapacitation, either associated with gout disease or associated with an increased risk of cardiovascular disease. This study aims to determine the prevalence of hyperuricemia in civil pilots in Indonesia and the identification of risk factors for hyperuricemia in civil pilots in Indonesia.METHODS: The study used a cross-sectional method from the medical records of civil pilots at the Aviation Medical Center, Jakarta, who were examined on 1 November 2019 through 30 April 2020. Data collected from m

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Nuralfilail, Zakiah Nada, Pritha Maya Savitri, Niniek Hardini, et al. "FLIGHT HOURS AND BMI AGAINST TUC IN HYPOBARIC CHAMBER ALTITUDE 25.000 FEET." Journal of Vocational Health Studies 8, no. 1 (2024): 7–12. http://dx.doi.org/10.20473/jvhs.v8.i1.2024.7-12.

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Background: Time of Useful Consciousness (TUC) is the time interval a person can survive carrying out flight duties due to a decrease in oxygen pressure and the point at which there is a decrease in the level of consciousness. The TUC time interval is influenced by various factors including Body Mass Index (BMI) and flying hours which affect the increase in the duration of the body's exposure to hypoxic conditions in pilots. Purpose: This research was conducted to determine the relationship between total flight hours and BMI on TUC. Method: This research employed observational analytic researc

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Nurwiliani, Lia, Norma Nuromah, and Ratih Ayu Chusnul Chotimah. "The Relationship Between Flight Hours Duration And Menstruation Disturbances In Flight Attendant." Journal Midwifery Jurusan Kebidanan Politeknik Kesehatan Gorontalo 10, no. 1 (2024): 1. https://doi.org/10.52365/jm.v10i1.630.

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A Flight attendant has a higher risk of menstrual disturbances than a non-flight crew. Moreover, a flight attendant has high work pressure with flight duration of 225 hours (3 months) which will cause work stress and menstrual disturbance. The purpose of this study was to find out the relationship between flight hours and menstrual disturbances in flight attendants. This research method is quantitative study with a cross-sectional approach and was carried out to 51 respondents. The sampling technique used was total sampling, while the data collection used interview guidelines. In addition, the

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Mędrzycka, Justyna, Grzegorz Rotuski, Radosław Różycki, and Joanna Gołębiewska. "Retinal Vascularity in Military Pilots in Relation to the Type of Aircraft, Flight Altitude and Total Hours of Flight." Journal of Clinical Medicine 14, no. 8 (2025): 2671. https://doi.org/10.3390/jcm14082671.

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Background: The aim of the study was to assess retinal circulation in military pilots, as well as to determine the relationship between the type of aircraft, flight altitude, total hours of flight time and parameters of retinal circulation, using OCT angiography (OCT-A). Methods: This cross-sectional study enrolled 44 military pilots and 44 controls. The inclusion criteria encompassed healthy adult men. Due to the fact that military pilots cannot suffer from any vision defects or any other eye disease, the exclusion criteria concerned the control group and included refractive error exceeding −

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Han, Bok-Soon, Eun-Hi Choi, and Min-Seong Kim. "Association of Total Flight Hours and Health Conditions with Sick Leave Use Among Civilian Pilots." Aerospace Medicine and Human Performance 96, no. 1 (2025): 31–38. https://doi.org/10.3357/amhp.6469.2024.

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INTRODUCTION: In-flight medical incapacitation jeopardizes flight safety. To reduce such breakdown episodes, airlines have implemented a sick leave system. This study aimed to examine the association of total flight hours and health status with sick leave use among civilian pilots in South Korea and to identify the demand for a health promotion program. METHODS: For data collection, an online survey was conducted between August–November 2018, involving pilots of nine civil airlines in South Korea. A total of 456 pilots responded, of which data from 6 were excluded due to missing items; 450 pil

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Han, Bok-Soon, Eun-Hi Choi, and Min-Seong Kim. "Association of Total Flight Hours and Health Conditions with Sick Leave Use Among Civilian Pilots." Aerospace Medicine and Human Performance 96, no. 1 (2025): 31–38. https://doi.org/10.3357/amhp.6469.2025.

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INTRODUCTION: In-flight medical incapacitation jeopardizes flight safety. To reduce such breakdown episodes, airlines have implemented a sick leave system. This study aimed to examine the association of total flight hours and health status with sick leave use among civilian pilots in South Korea and to identify the demand for a health promotion program. METHODS: For data collection, an online survey was conducted between August–November 2018, involving pilots of nine civil airlines in South Korea. A total of 456 pilots responded, of which data from 6 were excluded due to missing items; 450 pil

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Petrikovsky, B., M. Terrani, and L. Sichinava. "Transatlantic Air Travel in the Third Trimester of Pregnancy: Does It Affect the Fetus?" American Journal of Perinatology Reports 08, no. 02 (2018): e71-e73. http://dx.doi.org/10.1055/s-0038-1641584.

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AbstractMost commercial airlines allow pregnant women to fly up to 36 weeks of gestation. Available information suggests that noise, vibration, and cosmic radiation present a small risk for the pregnant air traveler. The goal of the study was to assess the possible effect of transatlantic flights on the condition of the third-trimester fetus. In total, 112 patients were recruited into the study between January 2005 and June 2016. All underwent a transatlantic flight in the third trimester of pregnancy. All underwent nonstress test before and within 12 hours after the transatlantic flight, and

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Chairina, N., R. A. Werdhani, and D. Gathmyr. "Association of total flight hours with lipid blood profiles among civilian pilots in Indonesia." Journal of Physics: Conference Series 1073 (August 2018): 042012. http://dx.doi.org/10.1088/1742-6596/1073/4/042012.

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12

Matveev, E., J. J. Kwon, G. J. R. Judd, and M. L. Evenden. "The effect of cold storage of mass-reared codling moths (Lepidoptera: Tortricidae) on subsequent flight capacity." Canadian Entomologist 149, no. 3 (2017): 391–98. http://dx.doi.org/10.4039/tce.2017.1.

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AbstractFlight capacity of codling moths, Cydia pomonella (Linnaeus) (Lepidoptera: Tortricidae), was measured with computer-linked flight mills following exposure to one of two temperature regimes. Codling moth adults were held for 24 hours before flight under either chilled (2 °C) or unchilled (24 °C) conditions. The chilling treatment emulated conditions that codling moths are exposed to pre-release in the Okanagan Sterile Insect Release (SIR) Programme. Moths were assayed on flight mills for eight hours to obtain a measure of flight capacity based on total flight distance. Energy use was as

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Morais-Moreno, Carmen, Ana M. Montero-Bravo, Ana M. Puga, et al. "Hearing Function and Nutritional Status in Aviation Pilots from Spain Exposed to High Acoustic Damage." Nutrients 14, no. 20 (2022): 4321. http://dx.doi.org/10.3390/nu14204321.

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Noise-induced hearing loss is the most frequent and preventable occupational disease. Aviation pilots are a vulnerable population, as they spend many hours exposed to noise pollution in their working environment. Different studies suggest that certain dietary compounds may play a key role in the etiology and prevention of this pathology. We aimed to study the relationship linking auditory function, dietary intake, and some serum biomarkers in pilots, exposed to noise in the work environment. A total of 235 pilots, who undergo a periodic medical examination at the Centro de Instrucción de Medic

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14

Vujicic, Vladimir, David Simovic, Novica Staletovic, Milija Zecevic, Suzana Bogojevic, and Djordje Lazarevic. "Measurement of cosmic radiation exposure of aircraft crew at commercial aviation altitudes." Nuclear Technology and Radiation Protection 32, no. 1 (2017): 52–56. http://dx.doi.org/10.2298/ntrp1701052v.

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The measurement results of ambient dose equivalent rate in an aircraft, performed by a standard portable dosimeter, at a non-commercial flight Belgrade - Podgorica at altitudes up to 9000 meters, are shown. By numerical interpolation of the measurement results, a functional dependency of the ambient dose equivalent rate on the altitude of the airplane flight is determined, obtaining a good agreement with the reference values. For commercial airlines in the Balkan region, total ambient dose equivalent, regarding the aircraft crew occupationally exposed to radiation in the course of a flight, wa

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15

Knecht, William R. "The “killing zone” revisited: Serial nonlinearities predict general aviation accident rates from pilot total flight hours." Accident Analysis & Prevention 60 (November 2013): 50–56. http://dx.doi.org/10.1016/j.aap.2013.08.012.

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Murugavel, Baheerathan, Almut Kelber, and Hema Somanathan. "Eclipsed: Emergence-return activity of two pteropodid bat species during lunar eclipse." Barbastella 14, no. 1 (2022): 161–66. http://dx.doi.org/10.14709/barbj.14.1.2021.14.

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Lunar eclipses are known to influence flight activity of tropical bats at foraging sites. However, little is known about the onset and offset of flight activity from the roost during lunar eclipses compared to other full moon nights. Emergence from and return to the roost were observed during a total lunar eclipse at a colony of the fruit bat Rousettus leschenaultii and during a partial lunar eclipse at a Pteropus giganteus colony in southern India. In addition, on the same partial eclipse night, a single male P. giganteus was tracked using GPS telemetry. Flight activity in both species was co

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Мялица, А. К., та C. Ш. Шаабдиев. "АНАЛІЗ НАДІЙНОСТІ ШАСІ РЕГІОНАЛЬНОГО ПАСАЖИРСЬКОГО ЛІТАКА АН-140 НА ПОЧАТКОВОМУ ЕТАПІ ЕКСПЛУАТАЦІЇ". Open Information and Computer Integrated Technologies, № 90 (18 червня 2021): 33–44. http://dx.doi.org/10.32620/oikit.2020.90.02.

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The article presents an analysis of the reliability of the chassis of the regional passenger aircraft AN - 140 at the initial stage of operation, as well as general information about the aircraft, front and main supports of its landing gear. The average failure rate and the total number of failures over a period of time are used as reliability indicators. The calculation of reliability indicators is based on failures detected during periodic maintenance (PM) of aircraft on planned forms 1H - 4H in the maintenance organization Part - 145 and entered into defective statements in accordance with

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Murugavel, Baheerathan, Almut Kelber, and Hema Somanathan. "Eclipsed: Emergence-return activity of two pteropodid bat species during lunar eclipse." Barbastella 14, no. 1 (2022): 161–66. https://doi.org/10.5281/zenodo.13444085.

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(Uploaded by Plazi for the Bat Literature Project) Lunar eclipses are known to influence flight activity of tropical bats at foraging sites. However, little is known about the onset and offset of flight activity from the roost during lunar eclipses compared to other full moon nights. Emergence from and return to the roost were observed during a total lunar eclipse at a colony of the fruit bat Rousettus leschenaultii and during a partial lunar eclipse at a Pteropus giganteus colony in southern India. In addition, on the same partial eclipse night, a single male P. giganteus was tracked using GP

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Murugavel, Baheerathan, Almut Kelber, and Hema Somanathan. "Eclipsed: Emergence-return activity of two pteropodid bat species during lunar eclipse." Barbastella 14, no. 1 (2022): 161–66. https://doi.org/10.5281/zenodo.13444085.

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(Uploaded by Plazi for the Bat Literature Project) Lunar eclipses are known to influence flight activity of tropical bats at foraging sites. However, little is known about the onset and offset of flight activity from the roost during lunar eclipses compared to other full moon nights. Emergence from and return to the roost were observed during a total lunar eclipse at a colony of the fruit bat Rousettus leschenaultii and during a partial lunar eclipse at a Pteropus giganteus colony in southern India. In addition, on the same partial eclipse night, a single male P. giganteus was tracked using GP

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20

Murugavel, Baheerathan, Almut Kelber, and Hema Somanathan. "Eclipsed: Emergence-return activity of two pteropodid bat species during lunar eclipse." Barbastella 14, no. 1 (2022): 161–66. https://doi.org/10.5281/zenodo.13444085.

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(Uploaded by Plazi for the Bat Literature Project) Lunar eclipses are known to influence flight activity of tropical bats at foraging sites. However, little is known about the onset and offset of flight activity from the roost during lunar eclipses compared to other full moon nights. Emergence from and return to the roost were observed during a total lunar eclipse at a colony of the fruit bat Rousettus leschenaultii and during a partial lunar eclipse at a Pteropus giganteus colony in southern India. In addition, on the same partial eclipse night, a single male P. giganteus was tracked using GP

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Murugavel, Baheerathan, Almut Kelber, and Hema Somanathan. "Eclipsed: Emergence-return activity of two pteropodid bat species during lunar eclipse." Barbastella 14, no. 1 (2022): 161–66. https://doi.org/10.5281/zenodo.13444085.

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(Uploaded by Plazi for the Bat Literature Project) Lunar eclipses are known to influence flight activity of tropical bats at foraging sites. However, little is known about the onset and offset of flight activity from the roost during lunar eclipses compared to other full moon nights. Emergence from and return to the roost were observed during a total lunar eclipse at a colony of the fruit bat Rousettus leschenaultii and during a partial lunar eclipse at a Pteropus giganteus colony in southern India. In addition, on the same partial eclipse night, a single male P. giganteus was tracked using GP

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22

Murugavel, Baheerathan, Almut Kelber, and Hema Somanathan. "Eclipsed: Emergence-return activity of two pteropodid bat species during lunar eclipse." Barbastella 14, no. 1 (2022): 161–66. https://doi.org/10.5281/zenodo.13444085.

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(Uploaded by Plazi for the Bat Literature Project) Lunar eclipses are known to influence flight activity of tropical bats at foraging sites. However, little is known about the onset and offset of flight activity from the roost during lunar eclipses compared to other full moon nights. Emergence from and return to the roost were observed during a total lunar eclipse at a colony of the fruit bat Rousettus leschenaultii and during a partial lunar eclipse at a Pteropus giganteus colony in southern India. In addition, on the same partial eclipse night, a single male P. giganteus was tracked using GP

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23

Falcão, Taiana Pacheco, Ronir Raggio Luiz, Gabriel Eduardo Schütz, Márcia Gomide da Silva Mello, and Volney de Magalhães Câmara. "Audiometric profile of civilian pilots according to noise exposure." Revista de Saúde Pública 48, no. 5 (2014): 790–96. http://dx.doi.org/10.1590/s0034-8910.2014048005256.

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OBJECTIVE To evaluate the audiometric profile of civilian pilots according to the noise exposure level. METHODS This observational cross-sectional study evaluated 3,130 male civilian pilots aged between 17 and 59 years. These pilots were subjected to audiometric examinations for obtaining or revalidating the functional capacity certificate in 2011. The degree of hearing loss was classified as normal, suspected noise-induced hearing loss, and no suspected hearing loss with other associated complications. Pure-tone air-conduction audiometry was performed using supra-aural headphones and acoustic

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Mulay, Revati V., Anand Gangwal, Ashok K. Shyam, and Parag K. Sancheti. "Prevalence and risk factors for work related musculoskeletal disorders in flight attendants." International Journal Of Community Medicine And Public Health 6, no. 6 (2019): 2456. http://dx.doi.org/10.18203/2394-6040.ijcmph20192304.

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Background: Flight attendants are the cabin crew members working in different commercial airlines. Their main job is to ensure safety and comfort of all the passengers. They are exposed to certain ergonomic stressors like long standing, irregular working hours and working in confined spaces and thus are likely to experience work related musculoskeletal disorders. The purpose of this study was to find out the prevalence and risk factors for work related musculoskeletal disorders in flight attendants.Methods: A survey-based study was performed. Self-made questionnaire was used and was validated

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Ungs, Timothy J. "Simulator Induced Syndrome: Evidence for Long Term Simulator Aftereffects." Proceedings of the Human Factors Society Annual Meeting 31, no. 5 (1987): 505–9. http://dx.doi.org/10.1177/154193128703100505.

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The purpose of this study was to determine the incidence, risk factors, and significance of adverse symptoms occurring in pilots more than 24 hours after completion of flight simulator training. This continued occurrence or recurrence of symptoms is termed by the author as “Long Term Simulator Aftereffects” (LTSA). Information was gathered by multi-part, anonymous, and voluntary questionnaire. Nine (4.6%) of 196 pilots studied reported LTSA. Several pilots reported symptoms up to one week and one three weeks post simulator training. Symptoms reported included: recurrent visual flashbacks, cont

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Rempe, Michael, Ian Rasmussen, Kevin Gregory, Cassie Hilditch, Erin Flynn-Evans, and Amanda Lamp. "0177 Quantifying the duration and timing of pilot sleep during layovers." SLEEP 46, Supplement_1 (2023): A79. http://dx.doi.org/10.1093/sleep/zsad077.0177.

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Abstract Introduction Pilots flying long range (8-16 h) and ultra long range (16+ h) flights crossing several time zones must decide when and how much to sleep during layover between the outbound and return flight. Some pilots choose to sleep on home base time (HBT), while others attempt to sleep on local layover time. We sought broad patterns in the timing and amount of pilot sleep during layovers. Methods Using actigraphy, verified by self-report diaries, we collected sleep/wake data on 229 pilots (flying 460 total trips) from nine routes ranging from 10 to 17 hours in scheduled duration. Al

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Nilssen, Arne C., and John R. Anderson. "Flight capacity of the reindeer warble fly, Hypoderma tarandi (L.), and the reindeer nose bot fly, Cephenemyia trompe (Modeer) (Diptera: Oestridae)." Canadian Journal of Zoology 73, no. 7 (1995): 1228–38. http://dx.doi.org/10.1139/z95-147.

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The performance of tethered flies on a laboratory flight mill was used to assess the flight capacity of Hypoderma tarandi (L.) and Cephenemyia trompe (Modeer). Maximum total flying times for H. tarandi females were 31.5 h, but most flies flew < 20 h (mean 8.5 h (SD 7.2 h)). The longest continuous flight was 12 h. For both species, mating greatly altered the flight behaviour of females. Unmated laboratory-reared females were reluctant to fly, and flew less continuously than mated wild-caught flies. Hypoderma tarandi males typically flew for short periods of a few minutes with long rests betw

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Rosenow, Judith, Ehsan Asadi, Daniel Lubig, Michael Schultz, and Hartmut Fricke. "Long Range Air Traffic Flow Management with Flight-Specific Flight Performance." Future Transportation 2, no. 2 (2022): 310–27. http://dx.doi.org/10.3390/futuretransp2020017.

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The increasing need for dynamic in-flight adjustments of a trajectory allows the airport, air traffic control and the airline a high degree of flexibility in terms of in-flight execution. This concept enables numerous optimisation options to jointly meet the requirements of sustainable air transport to increase economic and ecological efficiency, as well as safety. One promising measure is to control the aircraft arrival rate to prevent over-demand in the approach sector around the airport. In so-called Long-Range Air Traffic Management, the arrival time of long-haul flights, in particular, is

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Ahmad, Sk Akhtar, Taslima Akhtar, Mahmud Hossain Faruquee, et al. "Musculoskeletal Disorders and Ergonomic Factors among the Cabin Crews of the National Airline of Bangladesh." Indonesian Journal of Occupational Safety and Health 11, no. 2 (2022): 161–67. http://dx.doi.org/10.20473/ijosh.v11i2.2022.161-167.

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Introduction: Cabin crews on aircraft are at risk of developing musculoskeletal disorders as a result of their workload and the nature of their profession. This study is an attempt to identify work-related musculoskeletal disorders suffered by cabin crews and the associated ergonomic factors. Methods: This was a cross-sectional study conducted among the cabin crews. The cabin crews, regardless of gender, who had worked at least one year, were selected by simple random sampling. A total of 246 cabin crews were the respondents in this study. A Nordic Musculoskeletal Questionnaire was used to ass

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WITEK, Lucjan. "Numerical fatigue analysis of the turbine components under low cycle fatigue (LCF) conditions." Combustion Engines 127, no. 4 (2006): 54–60. http://dx.doi.org/10.19206/ce-117339.

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This paper presents results of the stress and fatigue analysis of the turbine disc and blade. A non-linear finite element method was utilized to determine the stress state of the turbine components under operational condition. A critical, high stress zones were found at the several region of turbine. Results obtained from the preliminary static calculation were next used into total fatigue life (S-N) analysis performed for the load time history equivalents to 1-hours work of engine under operating flight. In this analysis, the number of hours to the total damage of the critical components of t

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Indraswari, Safira Putri, Onny Setiani, and Budiyono Budiyono. "HUBUNGAN FREKUENSI PENERBANGAN DENGAN INTENSITAS KEBISINGAN DI BANDARA INTERNASIONAL MINANGKABAU." Jurnal Kesehatan Masyarakat (Undip) 9, no. 3 (2021): 420–25. http://dx.doi.org/10.14710/jkm.v9i3.29654.

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Flight activities can produce a noise and give an impact to human health and environmental health. Minangkabau International Airport is an airport with a high flight frequency category, the average of total flights number is 60 flight activities for a day. This study aimed to analyze of association between flight frequency and noise intensity at Minangkabau International Airport.This type of research was an analytic research with cross sectional approach Samples using in this study were 24 samples which were taken by quota sampling technique. Noise intensity was measured using a Sound Level Me

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Rusdiansyah, Ahmad, Danim Musthofa, Nurhadi Siswanto, and Maulin Masyito Putri. "A Hybrid Scatter Search Heuristic Algorithm for Solving Cockpit Crew Rostering." Jurnal Teknik Industri 20, no. 2 (2019): 141. http://dx.doi.org/10.9744/jti.20.2.141-152.

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This research introduces the development of Hybrid Scatter Search Heuristic for solving cockpit crew (pilot and co-pilot) rostering problem. This research aims to minimize the deviation of flight hours among the cockpit crew of an airline, Garuda Indonesia Airline, during the one-month planning horizon. The weakness of the existing algorithm used in the airline, which is a trial-and-error algorithm, is that the variation among crew flight times for one month is too significant and the scheduling process takes a quite long time. We tested the performance of our proposed algorithm to that of the

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Алчинова, И. Б. "Effects of flight factors on the degree of nucleus degradation in buccal epithelial cells from pilots." Nauchno-prakticheskii zhurnal «Patogenez», no. 3() (September 29, 2018): 87–89. http://dx.doi.org/10.25557/2310-0435.2018.03.87-89.

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Целью работы явилось определение зависимости между ядерными аномалиями в клетках буккального эпителия и факторами полета, такими как высота и общая продолжительность, а также наличия у пилотов радиоадаптивного ответа (РАО). Методы. В работе был использован ряд методик: учет аномалий ядра (АЯ) в буккальном эпителии и выявление встречаемости РАО в лимфоцитах периферической крови для оценки адаптивных способностей организма летчиков при воздействии факторов полета. Результаты. В группах с одинаковым количеством полетных часов число клеток с кариорексисом возрастает с увеличением высоты. Анализ АЯ

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Petraki, Konstantina, Maria G. Grammatikopoulou, Fotios Tekos, et al. "Estimation of Redox Status in Military Pilots during Hypoxic Flight-Simulation Conditions—A Pilot Study." Antioxidants 11, no. 7 (2022): 1241. http://dx.doi.org/10.3390/antiox11071241.

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At high altitude conditions, the low-pressure atmospheric oxygen reduces the generation of energy, thus inducing a decrease in oxygen availability. As a result, endurance flights evoke imbalance in redox signaling, posing a safety risk for the pilots involved. The aim of the present study was to assess changes in the redox status of military pilots during flight simulation conditions according to their flight hours (experts vs. novice). A total of seven expert pilots and an equal number of novice pilots (trainees) were recruited from the Center for Airforce Medicine of the Greek Military Airfo

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Yang, Ji Hyun, Quinn Kennedy, Joseph Sullivan, and Ronald D. Fricker. "Scan patterns on overland navigation in varying route difficulty: is total-flight-hours (TFH) a good measure of expertise?" Proceedings of the Human Factors and Ergonomics Society Annual Meeting 56, no. 1 (2012): 1406–10. http://dx.doi.org/10.1177/1071181312561399.

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Lewkowicz, Rafał, Bibianna Bałaj, and Piotr Francuz. "THE INCIDENCE OF SIMULATOR SICKNESS IN PILOTS AND NON-PILOTS EXPOSED TO SPATIAL DISORIENTATION EVENTS IN THE GYRO-IPT SIMULATOR." Polish Journal of Aviation Medicine, Bioengineering and Psychology 26, no. 4 (2023): 13–25. http://dx.doi.org/10.13174/pjambp.17.05.2023.02.

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Introduction: A previous study conducted in the Gyro-IPT simulator revealed that applied flight scenarios induced minor severity of simulator sickness symptoms in participants. In this study, however, we did not investigate how the severity of symptoms differs between pilots and non-pilots. Therefore, the presented study aimed to examine whether the symptoms of simulator sickness induced in pilots and non-pilots during spatial disorientation (SD) training are significantly different. We were particularly interested in whether the standard flight scenario used in SD training could be a contribu

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Albornoz-Miranda, Manuel, and Gabriel Góngora-Jercic. "Sleep Disruption, Fatigue, and Altered Neurobehavioral Performance Among Flight Controllers During Spaceflight Operations." Chronobiology in Medicine 5, no. 4 (2023): 157–62. http://dx.doi.org/10.33069/cim.2023.0025.

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In spaceflight operations, flight controllers manage technical aspects of spaceflight control and spacecraft systems. The flight control team is a group subjected to shift work. Acute and chronic exposure to shift work has been associated with circadian misalignment, sleep impairment, and a negative impact on cognitive performance. This study aims to review the effects of shift work on sleep, circadian rhythms, mood, and cognitive performance of flight controllers during real and simulated spaceflight operations. Shift work during low-Earth orbit spaceflight missions is associated with a reduc

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Bi, Jun, Cong Ding, Dongfan Xie, and Yanhua Li. "Multiobjective Optimization of Airport Ferry Vehicle Scheduling during Peak Hours Based on NSGA-II." Security and Communication Networks 2022 (July 30, 2022): 1–12. http://dx.doi.org/10.1155/2022/7388406.

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Airport ferry vehicles are used to transport passengers between the far apron and terminals. During the peak hours of flight arrival or departure, the demand for ferry vehicles will increase, and improper scheduling will result in significant delays. In this study, we construct a 0–1 integer programming scheduling model for ferry vehicles with multiple objectives: minimize flight delays and vehicle travel distances and balance vehicle workloads when there is an insufficient number of ferry vehicles. To solve the multiobjective model, this study selects the second version of the nondominated so

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Garcia, E. C., M. B. Dos Santos, J. S. De Almeida, and D. L. Panissi. "SPACE SIMULATION OF THE CHINA-BRAZIL EARTH RESOURCES SATELLITE CBERS." Revista de Engenharia Térmica 3, no. 2 (2004): 96. http://dx.doi.org/10.5380/reterm.v3i2.3527.

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Space Simulation Tests are performed in spacecraft in order to verify equipment properoperation under thermal vacuum conditioning and to verify the correct workmanship inthe assembling of the flight spacecraft as a whole. This paper presents the space simulation(thermal vacuum test) developed in the China Brazil Earth Resources Satellite, FlightModel no. 2, that took place at the Integration and Tests Laboratory LIT, INPE. Measuringapproximately 1.8 x 2.0 x 2.2m, weighting 1,500 kg and carrying three cameras as themain payload, this spacecraft is scheduled

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Danger, David, and Raúl Báez. "Evaluation of selected dishes from the hot area of the Havana Catering Base Business Unit." Journal of Food Science and Gastronomy 1, no. 2 (2023): 19–24. https://doi.org/10.5281/zenodo.13994858.

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This study aimed to evaluate the hygienic-sanitary behavior of selected dishes in the hot area of UEB Catering Habana on board aircraft, using a flight simulation. The airline Cuban Aviation Company was chosen due to its high flight frequency and number of services offered. The results of raw materials and finished products from 2005 to 2007 (time zero) were analyzed. During the flight simulation (8-10 hours, 20 °C in a trolley), the dishes were prepared following the current technological process. Physicochemical (pH and moisture) and microbiological (aerobic mesophilic microorganisms, to

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Lewkowicz, Rafał, Bibianna Bałaj, Agnieszka Fudali-Czyż, Paweł Stróżak, Paweł Augustynowicz, and Piotr Francuz. "HOW DOES MENTAL DISTRACTION INDUCED BY AN ADDITIONAL TASK AFFECT THE SEVERITY OF SIMULATOR SICKNESS SYMPTOMS IN PILOTS: A SPATIAL DISORIENTATION SIMULATOR STUDY." Polish Journal of Aviation Medicine, Bioengineering and Psychology 27, no. 2 (2024): 5–18. http://dx.doi.org/10.13174/pjambp.22.04.2024.01.

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Introduction: To improve the effectiveness of spatial disorientation (SD) training in a flight simulator, pilots are recommended to perform an additional task that induces a mental distraction. The presented study explored how the inclusion of an additional task that may enhance the effectiveness of SD training changes the severity of simulator sickness symptoms reported after exposure in the Gyro-IPT simulator. Methods: We compared the incidence of simulator sickness symptoms in pilots across four setups of flight scenarios (varying according to cognitive load distraction) collected during ou

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von Hünerbein, Karen, Wolfgang Wiltschko, and Eckhard Rüter. "Flight Tracks of Homing Pigeons Measured with GPS." Journal of Navigation 54, no. 2 (2001): 167–75. http://dx.doi.org/10.1017/s0373463301001345.

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This and the following paper were first presented at the RIN01 Conference held in Oxford under the auspices of the Animal Navigation Special Interest Group, April 2001.Flight paths of homing pigeons were measured with a newly developed recorder based on GPS. The device consists of a GPS receiver board, a logging facility, an antenna, a power supply, a DC-DC converter and a casing. It has a weight of 33 grams and works reliably with a sampling rate of 1 Hz for an operating time of about three hours, providing time-indexed data on geographic positions, ground speed and altitude. The devices are

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HILÁRIO, S. D., V. L. IMPERATRIZ-FONSECA, and A. de M. P. KLEINERT. "Flight activity and colony strength in the stingless bee Melipona bicolor bicolor (Apidae, Meliponinae)." Revista Brasileira de Biologia 60, no. 2 (2000): 299–306. http://dx.doi.org/10.1590/s0034-71082000000200014.

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Flight activity of Melipona bicolor bicolor, coming from Cunha (23º05'S, 44º55'W), Atlantic Forest, was studied in ten colonies, and in two periods: from July to September 1993 and from August to September 1995. The colonies were grouped in weak, medium and strong, according to the diameter of the combs, which can provide a good idea of the number of cells built. 855 observations were accomplished for 5 minutes, every half-hour, from 8 to 18 hours. The total number of bees that entered and left the hive and the number of bees that arrived with mud, pollen and resin, besides the number that wen

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Attwooll, V. W. "The Economics of the North Atlantic Air Traffic System." Journal of Navigation 39, no. 1 (1986): 103–9. http://dx.doi.org/10.1017/s0373463300014284.

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1. INTRODUCTION. The North Atlantic air traffic system is the busiest and most important long-range system in operation today with a current total of 127 000 flights“annum. The combined effects of the total flight time and the difference in time zones on either side of the Atlantic makes it desirable for most passengers to fly westward in the day-time. Conversely, it is most convenient (or least inconvenient!) to fly eastbound during the hours of darkness. Thus the Atlantic traffic system is strongly tidal with the flow predominantly (though not entirely) westbound during the day and eastbound

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Giancola, Marco, Paola Verde, Luigi Cacciapuoti, et al. "Do Advanced Spatial Strategies Depend on the Number of Flight Hours? The Case of Military Pilots." Brain Sciences 11, no. 7 (2021): 851. http://dx.doi.org/10.3390/brainsci11070851.

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Background: Military pilots show advanced visuospatial skills. Previous studies demonstrate that they are better at mentally rotating a target, taking different perspectives, estimating distances and planning travel and have a topographic memory. Here, we compared navigational cognitive styles between military pilots and people without flight experience. Pilots were expected to be more survey-style users than nonpilots, showing more advanced navigational strategies. Method: A total of 106 military jet pilots from the Italian Air Force and 92 nonpilots from the general population matched for ed

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Sun, Yixiang, and Nana Geng. "Forecasting Civil Aviation Incident Rate in China Using a Combined Prediction Model." Journal of Advanced Transportation 2021 (April 12, 2021): 1–9. http://dx.doi.org/10.1155/2021/5521526.

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With the rapid development of air transportation, the complexity, importance, and severity of civil aviation safety have gradually become prominent. It is essential to use various data to analyze and predict the level of aviation safety. This paper used a combined prediction model based on Induced Ordered Weighted Averaging (IOWA) operator to forecast the civil aviation incident rate. We compiled and calculated civil aviation incident data and total flight hours from 2008 to 2019 in China and took the civil aviation incident rate (incident numbers per ten thousand flight hours) as the predicti

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Klesener, Daniela Fernanda, Régis Sivori Silva dos Santos, and Ayres de Oliveira Menezes Jr. "Diversidade e Atividade de Voo de Himenópteros Parasitóides em Pomar de Macieira em Vacaria, RS." EntomoBrasilis 6, no. 2 (2013): 108–12. http://dx.doi.org/10.12741/ebrasilis.v6i2.258.

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O O objetivo deste estudo foi avaliar a diversidade de himenópteros parasitóides e o período de atividade de voo em macieira. Os insetos foram amostrados com armadilha Malaise, semanalmente, por um período de 24h, sendo retirados do frasco coletor nos seguintes horários: 1, 7, 13 e 19 h. Foram coletados 1.249 himenópteros parasitóides distribuídos em 25 famílias com maior abundância de Ichneumonidae (318), Bethylidae (199), Figitidae (Eucoilinae) (183), Braconidae (90) e Scelionidae (86). Com exceção de Ichneumonidae (Ophioninae) a maioria dos parasitóides mostrou atividade de voo diurna.&#x0D

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Shevlyakov, E. A., and S. V. Shubkin. "Recent experience of surveying the spawning grounds of pacific salmons in the water bodies of Chukotka." Izvestiya TINRO 200, no. 2 (2020): 270–91. http://dx.doi.org/10.26428/1606-9919-2020-200-270-291.

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Aerial survey of the pacific salmon spawning grounds was conducted in the water bodies of Chukotka belonged to the Bering Sea basin (the Anadyr, Velikaya, Tumanskaya Rivers and Meinypilgyno lake-river system) in 2019, for the first time since 1992. Total flight time was 35 hours, approximate length of the transects was 3,800 km. Number of the spawners was estimated as 660.7 . 103 ind. for chum salmon, 112.2 . 103 ind. for sockeye salmon, and 3678.0 . 103 ind. for pink salmon, features of their distribution are described.

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Calabretto, Paolo, Alessandro Ursi, Alessandra Tiberia, et al. "The Gamma-Flash Program: high-energy radiation and particles in thunderstorms, lightning, and terrestrial gamma-ray flashes." Journal of Physics: Conference Series 2985, no. 1 (2025): 012015. https://doi.org/10.1088/1742-6596/2985/1/012015.

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Abstract The Gamma-Flash program, funded by the Italian Space Agency (ASI) and led by the National Institute for Astrophysics (INAF), aims to study high-energy emissions related to thunderstorms, such as terrestrial gamma-ray flashes (TGFs) and gamma-ray glows. The program led to the development of two main detection systems: a ground-based system, installed at the “O. Vittori” Observatory on top of Mt. Cimone (Northern-Central Italy), and an airborne payload, installed on a Cessna Citation Mustang aircraft, for in-flight campaigns. The ground-based detection system consists of five γ-ray and

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JENAMANI, RAJENDRAKUMAR. "Development of intensity based fog climatological information system (daily and hourly) at IGI airport, New Delhi for use in fog forecasting and aviation." MAUSAM 63, no. 1 (2021): 89–112. http://dx.doi.org/10.54302/mausam.v63i1.1459.

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The main objective of the present paper is to make a microclimatological study of occurrence of fog of different intensities at Indira Gandhi International (IGI) airport, New Delhi which includes their date-wise climatological probabilities and their corresponding total number of hours of occurrence for 62-days of peak winter from 1st December to 31st January by using hourly visibility data for the period of 1981-2005. Their hourly climatology has been discussed separately for both months using same data for understanding their diurnal variations. Both the computations have been done to find m

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