Match the description of the runway safety sign or marking to the correct sign or marking from the list of four choices. Your session will time out after 30 minutes of inactivity. Your correct and incorrect answers will be revealed at the end.

Question 1 of 23

Match the description to the correct indicator

Indicates a closed runway or taxiway. It will also be placed at each entrance of a permanently closed taxiway. A raised-lighted X may be used in lieu of a pavement marking.