Boeing 737-800 - Page 1615

737 Flight Crew Operations Manual
Warning Systems -
System Description
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D6-27370-866-EGP 15.20.11
Look Ahead Terrain Alerts
AURAL
ALERT
VISUAL ALERT DESCRIPTION
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.
March 15, 2007