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The FAA’s Sunrise / Sunset / Twilight Calculator. The FAA Twilight Calculator helps us determine when we can start logging night flight time. It does require you to input the latitude and longitude of the location you are calculating civil twilight for.
Clearly "night time" in this case extends after 0500AM since you are travelling to the west. Should you calculate morning-evening civil twilight for every mile of the route and then add together night time?
Sep 29, 2020 · Time zones help us calculate a day’s beginning and end based on our location on earth and the proximity to the sun during the earth’s rotation. It’s daytime in Hong Kong when it’s nighttime in Boston.
Select the VORs or NDBs (nondirectional beacons) that will guide you to your destination. Terrain clearance is another nighttime concern; like low clouds, darkness can easily obscure high terrain. To ensure adequate clearance along your route, note the Maximum Elevation Figures (MEFs) printed in each quadrant of your sectional chart.
Is there any formulas/equations how to calculate a night flight time if you know sunset/sunrise at departure and arrival? I tried to simplify math equations making like a Sun has a constant speed along the great circle route but apparently it doesn't take in account major parameters and in some cases I have a difference error ~ 1h.
Free calculator to get the number of hours, minutes, and seconds between two times. Also, a full version to calculate the time duration between two dates.
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Mar 15, 2021 · On the right side of the page you will find listed times for sunrise, sunset, morning civil twilight, and evening civil twilight. You can also go to this website and check the times for your location. Anticollision lights are required during the night as well.
