787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Warning Systems -
Controls and Indicators
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 15.10.17
Ground Proximity Warning System (GPWS) Controls
Tuning and Control Panel (TCP)
Push – toggles the ground proximity warning system between the left (L) and right
(R) systems.
Defaults to the left system.
If a fault is detected the system automatically switches to the other side.
Selection is displayed in large green font.
Push – toggles between normal and override settings.
OVRD –
• inhibits TOO LOW FLAPS alert
• EICAS advisory message GPWS FLAP OVRD is displayed
• EICAS advisory message GND PROX SYS is displayed when airspeed is
greater than 250 knots for more than 60 seconds
• resets automatically after landing 10 minutes after cabin door is opened
NORM – all flap inhibits removed.
Selection is displayed in large green font.
1
Ground Proximity System (GND PROX SYS)
2
Ground Proximity Flap Override (FLAP OVRD)
TUNING AND CONTROL PANEL
GND PROX SYS
GEAR OVRD
TERR OVRD
FLAP OVRD
NORM
>
OVRD
NORM
>
OVRD
NORM
>
OVRD
GPWS
<
L
R
1
2
3
4
GPWS
August 14, 2009
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