FAA SAFO 11004
Exterior Lighting:
o Taxi with taxi light on when moving, off when stopped.
o Turn on all exterior lights when crossing any runway.
o If cleared to “Line Up and Wait”, turn on all exterior lights except landing lights.
o When “Cleared for take-off”, turn on all exterior lights, including landing lights
o If you see an aircraft in take-off position on a runway with landing lights ON, that aircraft has most likely received its take-off clearance and will be departing immediately.