Exercise extreme caution.
General Warning: Exercise extreme precautions
Cleared to cross
Cleared to cross
General Warning: exercise extreme caution
Exercise extreme caution
return to starting point
return to starting point
General Warning: Exercise Extreme Caution.
Exercise extreme caution.
Ground - Cleared for Takeoff. Air - Cleared to Land.
Flashing RED: clear the active runway. Flashing RED AND GREEN: General Warning: Exercise extreme caution.
A red light gun signal from the control tower indicates that an aircraft must stop immediately. This signal is typically used when the control tower needs to communicate urgent instructions to pilots, such as in situations involving safety concerns or emergencies. Pilots must ensure compliance with this signal to maintain safety on the ground.