Use ATC light signals from TBL 3-2-1 to control aircraft and the movement of vehicles, equipment, and personnel on the movement area when radio communications cannot be employed.
|Color and type of signal||Aircraft on the ground||Aircraft in flight||Movement of vehicles, equipment and personnel|
|Steady green||Cleared for takeoff||Cleared to land||Cleared to cross; proceed; go|
|Flashing green||Cleared to taxi||Return for landing (to be followed by steady green at the proper time)||Not applicable|
|Steady red||Stop||Give way to other aircraft and continue circling||Stop|
|Flashing red||Taxi clear of landing area or runway in use||Airport unsafe- Do not land||Clear the taxiway/runway|
|Flashing white||Return to starting point on airport||Not applicable||Return to starting point on airport|
|Alternating red and green||General Warning Signal- Exercise Extreme Caution||General Warning Signal- Exercise Extreme Caution||General Warning Signal- Exercise Extreme Caution|
Direct a general warning signal, alternating red and green, to aircraft or vehicle operators, as appropriate, when:
NOTE: The warning signal is not a prohibitive signal and can be followed by any other light signal, as circumstances permit.
To obtain acknowledgment from an aircraft equipped with receiver only, request the aircraft to do the following: