VFR for 100
Position lights (i.e. your red, green, white navigation lights) must be turned on from sunset to sunrise. When operating an aircraft equipped with anticollision lights (e.g. strobe lights), when are the anticollision lights required to be turned on?
AnswerAnticollision lights must be turned on AT ALL TIMES when operating an aircraft, unless it would be in the interest of safety to turn them off.
FAR 91.209