night_definition_FAA

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FAA Definitions of Night
Daytime (-30 mins)
Day Sunset (0) Twilight Ends (+30) Deep Night (+90)
Position Lights Required
FAR 91.209
Sunset to Sunrise
(≥ 0 mins)
Log Night Flight Time
FAR 1.1
End of Evening Civil Twilight
(≥ 30 mins)
Passenger Currency
FAR 61.57
1 Hour After Sunset
(≥ 60 mins)