737 Flight Crew Operations Manual
Supplementary Procedures -
Flight Instruments, Displays
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
SP.10.4 D6-27370-866-EGP
Note: When the flap lever is set to any takeoff flap setting above
flaps 1, a bug comes into view for the next smaller flap
maneuvering speed, between takeoff flaps and flaps up. For
example, if the flap lever is set to 15 for takeoff, a bug for
flaps 5 maneuvering speed will appear. For a flaps 1 takeoff,
the flaps 1 maneuvering speed will be displayed.
To set reference airspeed bugs for approach:
Speed reference selector (outer) ..............................................WT
Default weight of 32,000 kgs is displayed.
Speed reference selector (inner) ............. Set current gross weight
Flaps up maneuver speed bug is displayed.
Speed reference selector (outer) ..........................................VREF
Default speed of 80 knots is displayed.
Speed reference selector (inner) ..........................Set VREF speed
The green VREF bug and white VREF +20 bug are shown when
a speed greater than 80 knots is set.
Note: If V1 or VR is selected in flight, INVALID ENTRY is
displayed.
To set the spare bug, if desired:
Speed reference selector (outer) ............................ Spare bug
Default speed of 60 knots is displayed.
Speed reference selector (inner) ....................................... Set
Set speed as desired.
Speed reference selector (outer) .............................................SET
Digital readout is removed.
September 24, 2015
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