taxi clear of runway or do not 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.
If you mean the light gun signals from the control tower- to vehicles, and aircraft on the ground, get off the runway. For aircraft in flight, runway is unsafe, do not land.
It means get off the runway now, or, if flying, do not land here.
clear the active runway
Clear active runway
Flashing RED: clear the active runway. Flashing RED AND GREEN: General Warning: Exercise extreme caution.
stop or give way.
A red flashing light on a Droid usually means that your phone has 15% or less battery left and is about to die!
stop: clear the active runway
warning- use caution
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.
its mean that