light signals

Question 1

steady green

Answer 1

ground: cleared for takeoff
air: cleared for landing

Question 2

flashing green

Answer 2

ground: cleared to taxi
air: return for landing

Question 3

steady red

Answer 3

ground: stop
air: give way and circle

Question 4

flashing red

Answer 4

ground: taxi clear of runway
air: unsafe airport, do not land

Question 5

alt red & green

Answer 5

ground: exercise extreme caution
air: exercise extreme caution

Question 6

flashing white

Answer 6

ground: return to starting point
air: n/a