clear the active runway
A red light - steady or flashing - means STOP. A steady amber light means Caution - signal about to change. A flashing amber light means SLOW DOWN.
Clear active runway
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.
Flashing RED: clear the active runway. Flashing RED AND GREEN: General Warning: Exercise extreme caution.
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.
Flashing amber light means slow down, watch for potential dangers. Flashing red means stop; proceed if and when it is safe.
means nothing Wrong! It means caution. Something requires extra attention. At an intersection, a flashing circular yellow means to take extra caution, and watch for traffic on the cross road (which has a flashing red light). A flashing red light is the same as a stop sign. A flashing yellow arrow means you ma turn in the direction of the arrow, but you must yield to conflicting traffic. If the flashing yellow light is not at an intersection, it either calls attention to a road hazard on an accompanying sign, or indicates that a special regulation indicated on the sign is in effect (School speed limit 20 when flashing).
A red flashing light on a Droid usually means that your phone has 15% or less battery left and is about to die!
The red flashing traffic light means that you are to come to a stop, yield to other traffic and then you can procede when the way is clear.
General Warning: Exercise extreme precautions
A flashing red signal is same as a STOP sign. So prepare to stop.