Boeing 737-800 - Look-Ahead Terrain

737 Flight Crew Operations Manual
Flight Instruments, Displays -
PFD/ND – Navigation Displays
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10.41.18 D6-27370-866-EGP
Look-Ahead Terrain
SYMBOL NAME MODE REMARKS
Terrain display
(R, A, G, M)
MAP,
MAP CTR,
VOR,
APP
Displays terrain data from the
GPWS terrain data base.
Color and density vary based
on terrain height vs. airplane
altitude. Refer to Chapter 15,
Warning Systems.
Terrain obstacle
(R, A, G)
MAP,
MAP CTR,
VOR,
APP
Obstacles are displayed from
the GPWS data base and use
the same display criteria as
the terrain display.
Obstacle
annunciation
(R, A)
All Obstacle caution alert active
(A), obstacle warning alert
active (R).
Terrain mode
annunciation (C)
Terrain elevation
(R,A,G)
MAP,
MAP CTR,
VOR,
APP
Terrain display enabled
(manual or automatic
display).
Terrain elevation displayed in
hundreds of feet showing
highest and lowest displayed
terrain. Colors correspond to
terrain display.
Terrain elevation not
displayed when terrain data
unavailable.
Terrain test mode
annunciation (C)
All GPWS operating in self-test
mode.
Terrain
annunciation
(R, A)
All Look-ahead terrain caution
alert active (A), look-ahead
terrain warning alert active
(R).
Terrain status
annunciations
(A)
All Look-ahead terrain alerting
and display have failed.
OBSTACLE
TERR
060
030
TERR
TEST
TERRAIN
TERR FAIL
March 27, 2014