787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Warning Systems -
System Description
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 15.20.29
Bank Angle Voice Annunciations
[Option – Bank angle callouts]
The voice alert BANK ANGLE sounds if bank angle exceeds 35°, 40°, and 45°.
The voice alert BANK ANGLE also sounds at low altitudes during takeoff and
landing for bank angles as small as 10°.
Altitude Voice Annunciations During Approach
GPWS provides the following altitude voice annunciations during approach:
• 500 feet – FIVE HUNDRED (500 Foot Callout
, Ch. 15, Sec. 20)
• 50 feet – FIFTY
• 30 feet – THIRTY
• 10 feet – TEN
Approaching Minimums Voice Annunciation
GPWS provides the voice annunciation APPROACHING MINIMUMS at 80 feet
above the altitude set by the Captain’s MINS selector on the EFIS Control Panel.
Minimums Voice Annunciation
GPWS provides the voice annunciation MINIMUMS at the altitude set by the
Captain’s MINS selector on the EFIS Control Panel.
Voice
Annunciation
Visual
Indications Description
TOO LOW,
TERRAIN
Master CAUTION
light
Amber TOO LOW
TERRAIN EICAS
message
Follows DON’T SINK alert with gear and/or
flaps up after takeoff or go-around for
altitude loss at low altitude, or unsafe terrain
clearance with gear and/or flaps not in
landing configuration at low altitude and
airspeed.
Push the FLAP OVRD (line select) “key” to
OVRD on the GPWS page of the TCP to
inhibit the alert when the alert is due to flaps
not in landing position.
Push the GEAR OVRD (line select) “key” to
OVRD on the GPWS page of the TCP to
inhibit the alert, when the alert is due to gear
not down.
February 15, 2010
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