Code of Federal Regulations (alpha)

CFR /  Title 14  /  Part 91  /  Sec. 91.125 ATC light signals.

ATC light signals have the meaning shown in the following table: ------------------------------------------------------------------------

Meaning with

respect to Meaning with

Color and type of signal aircraft on the respect to

surface aircraft in flight------------------------------------------------------------------------Steady green.................... Cleared for Cleared to land.

takeoff.Flashing green.................. Cleared to taxi... Return for landing

(to be followed

by steady green

at proper time).Steady red...................... Stop.............. Give way to other

aircraft and

continue

circling.Flashing red.................... Taxi clear of Airport unsafe--do

runway in use. not land.Flashing white.................. Return to starting Not applicable.

point on airport.Alternating red and green....... Exercise extreme Exercise extreme

caution. caution.------------------------------------------------------------------------