ATC Light Gun Signals

Question 1

ATC Light Gun Signal - Steady Green

Answer 1

• On ground: Cleared for takeoff

- In flight: Cleared to land

Question 2

ATC Light Gun Signal - Flashing Green

Answer 2

• On ground: Cleared to taxi

- In flight: Return for landing (to be followed by steady green at the proper time)

Question 3

ATC Light Gun Signal - Steady Red

Answer 3

• On ground: Stop

- In flight: Give way to other aircraft and continue circling

Question 4

ATC Light Gun Signal - Flashing Red

Answer 4

• On ground: Taxi clear of landing area or runway in use

- In flight: Airport unsafe - Do not land

Question 5

ATC Light Gun Signal - Flashing White

Answer 5

• On ground: Return to starting point on airport

- In flight: N/A

Question 6

ATC Light Gun Signal - Alternating Red/Green

Answer 6

• On ground: Generated warning signal - exercise extreme caution
• In flight: General warning signal - exercise extreme caution

Question 7

ATC Light Gun Signal - Reply (Day)

Answer 7

(a) move ailerons of rudder while on the ground

(b) rock wings while in flight

Question 8

ATC Light Gun Signal - Reply (Night)

Answer 8

(a) flash landing light or navigation lights