PSTAR Online Course

Part 2: Visual Signals

2.02 A steady red light directed at an aircraft means

(1) IN FLIGHT: give way to other aircraft and continue circling. ON THE GROUND: stop.
(2) IN FLIGHT: give way to other aircraft and continue circling. ON THE GROUND: taxi clear of landing area in use.
(3) IN FLIGHT: airport unsafe do not land. ON THE GROUND: taxi clear of landing area in use.
(4) IN FLIGHT: airport unsafe do not land. ON THE GROUND: stop.