Return to starting point
clear the active runway
Clear active runway
Return to Starting Point on Airport
Exercise extreme caution
If your aircraft is on the ground, a steady red light from the control tower light gun means STOP. If you are airborne, a steady red light means to give way to other aircraft, and continue circling.
General Warning: Exercise Extreme Caution.
Exercise extreme caution.
Ground - Cleared for Takeoff. Air - Cleared to Land.
In aviation, flashing red means get of the runway if you are on the ground and it means the airport is not safe for landing if you are in the air.
Cleared to cross
Cleared to cross