737 Flight Crew Operations Manual
Limitations -
Operating Limitations
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
D6-27370-866-EGP L.10.7
# Avoid rapid and large alternating control inputs, especially in combination with
large changes in pitch, roll, or yaw (e.g. large side slip angles) as they may result
in structural failure at any speed, including below VA.
Non–AFM Operational Information
Note: The following items are not AFM limitations, but are provided for flight
crew information.
# Do not deploy the speedbrakes in flight at radio altitudes less than 1,000 feet.
Alternate flap duty cycle:
• When extending or retracting flaps with the ALTERNATE FLAPS
position switch, allow 15 seconds after releasing the ALTERNATE
FLAPS position switch before moving the switch again to avoid damage
to the alternate flap motor clutch
• After a complete extend/retract cycle, i.e., 0 to 15 and back to 0, allow 5
minutes cooling before attempting another extension.
Flight Management, Navigation
Air Data Inertial Reference Unit (ADIRU)
ADIRU alignment must not be attempted at latitudes greater than 78 degrees 15
minutes.
QFE Selection
QFE operations are prohibited if the option for QFE altitude reference selection is
not installed in the Flight Management System (FMS).
The use of Look-Ahead terrain alerting and terrain display functions with the
altimeters referenced to QFE is prohibited.
Look-Ahead Terrain Alerting (GPWS)
Do not use the terrain display for navigation.
Do not use the look-ahead terrain alerting and terrain display functions:
• within 15 nm of takeoff, approach or landing at an airport not contained
in the GPWS terrain database.
Note: Refer to Honeywell Document 060-4267-000 for airports and runways
contained in the installed GPWS terrain database.
Non-AFM Operational Information
Note: The following items are not AFM limitations, but are provided for flight
crew information.
September 15, 2016
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