Look Ahead Terrain Alerts
TERRAIN
TERRAIN
PULL UP
PULL UP on both attitude
indicators.

Red TERRAIN message on
navigation display (all modes)
Solid red terrain on navigation
display.
20 to 30 seconds from
projected impact with terrain
shown solid red on the
navigation display (in expanded
MAP, center MAP, expanded
VOR, or expanded APP modes
only).

Moving the ground proximity
terrain inhibit switch to
TERRAIN INHIBIT inhibits the
alert.
CAUTION
TERRAIN
Amber TERRAIN message on
navigation display (all modes)
Solid amber terrain on
navigation displays.
40 to 60 seconds from
projected impact with
terrain shown solid amber on
the navigation display (in
expanded MAP, center MAP,
expanded VOR, or expanded
APP modes only).

Moving the ground proximity
terrain inhibit switch to
TERRAIN INHIBIT inhibits the
alert.
TOO LOW,
TERRAIN
PULL UP on both attitude
indicators.
Descent below unsafe radio
altitude while too far from any
airport in the terrain database.

Moving the ground proximity
terrain inhibit switch to
TERRAIN INHIBIT inhibits the
alert.
Aural Alert
Visual Alert
Description