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Jun 8, 2021 · We used civil twilight because FAA Federal Aviation Regulations define night as “the time between the end of evening civil twilight and the beginning of morning civil twilight” 32.
- Mozhou Gao, Chris H Hugenholtz, Thomas A Fox, Maja Kucharczyk, Thomas E Barchyn, Paul R Nesbit
- 2021
Aug 24, 2020 · Our findings suggest that a higher self-reported workload is associated with slower reaction time and higher ratings of fatigue. There were very weak, but significant, correlations between mean pilot workload as measured by NASA-TLX and PVT performance, Samn-Perelli ratings, sleep duration, number of sectors and flight duration.
- Lucica Arsintescu, Ravi G. Chachad, Kevin B. Gregory, Jeffrey B. Mulligan, Erin E. Flynn-Evans
- 2020
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Sep 6, 2021 · Fatigue poses an important safety risk to civil and military aviation. In addition to decreasing performance in-flight (chronic) fatigue has negative long-term health effects. Possible causes of fatigue include sleep loss, extended time awake, circadian phase irregularities and work load.
- Yara Q. Wingelaar-Jagt, Thijs T. Wingelaar, Wim J. Riedel, Johannes G. Ramaekers
- 10.3389/fphys.2021.712628
- 2021
- Front Physiol. 2021; 12: 712628.
Oct 11, 2005 · Night: "The time between the end of evening civil twilight and the beginning of morning civil twilight, as published in the American Air Almanac, converted to local time." That's the FAA's definition in FAR 1.1, but it's only one of many ways night is described in the Federal Aviation Regulations.
Jan 1, 2017 · By acquiring thermal signature via thermal camera it is possible to detect and, with sufficient database, even identify foreign UAV. Beside detecting the UAV for purpose of air traffic surveillance, thermal imaging can also be used for collision avoidance during night-time operations.
- Petar Andraši, Tomislav Radišić, Mario Muštra, Jurica Ivošević
- 2017
FAR 91.157, special VFR weather minimums, uses this definition with the caveat that in Alaska, the Sun must be 6° or more below the horizon; FAR 1.1 defines night as "the time between the end of evening civil twilight and the beginning of morning civil twilight, as published in the "Air Almanac, converted to local time"
May 31, 2021 · The US Federal Aviation Administration (FAA) defines fatigue as ‘a general lack of alertness and degradation in mental and physical performance’. 1 It is manifested as cognitive impairment (slowed reaction times, decreased psychomotor performance, lethargy, slow decision making and reasoning, difficulties in maintaining situational awareness and...
