Radio Altitude Based Alerts  (Contd.)
Aural Alert
Visual Alert
Description
TOO LOW,
FLAPS
PULL UP on both attitude
indicators.
Unsafe terrain clearance at low
airspeed with flaps not in a
normal landing position.
Pushing the ground proximity
flap override switch to FLAP
INHIBIT inhibits the alert.
TOO LOW,
GEAR
PULL UP on both attitude
indicators.
Unsafe terrain clearance at low
airspeed with landing gear not
down.
Pushing the ground proximity
gear override switch to GEAR
INHIBIT inhibits the alert.
TOO LOW,
TERRAIN
PULL UP on both attitude
indicators.
Unsafe terrain clearance at
high airspeed with either
landing gear not down or flaps
not in landing position. Follows
DON’T SINK if another descent
is initiated after initial alert,
before climbing to the altitude
where the initial descent began.