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.
D6-27370-866-EGP SP.10.5
HUD System Procedures
YK981 - YQ456
HUD system procedures supplement normal procedures and should be
accomplished when applicable.
Preflight Procedure
If the HUD will be used for takeoff, or configured for a possible return for
landing, accomplish the following during the Preflight Procedure:
HUD System ........................................................................................Set
Combiner – Lowered, cover removed
Runway Data – Set in control panel
Enter runway length
The runway length entered must be between 7,500 and
13,500 feet (2,287 and 4,114 meters).
Enter TDZE (if available) or field elevation
Enter glideslope angle for possible return for landing.
The glideslope angle must be set between -2.51° and -3.00°
for an AIII approach.
Mode – Set
Select IMC or VMC to verify proper alignment
ALIGN HUD light – Extinguished
After checking alignment, select PRI mode
Note: CLR may be selected to blank display during taxi. Push CLR
again to restore display. If the HUD will not be used for
takeoff, the combiner should be stowed.
For a low visibility takeoff, enter the ILS frequency and set the course
to takeoff runway magnetic heading.
Descent
If HUD will be used for approach and landing, accomplish the following
steps:
Prior to completing the DESCENT checklist:
HUD System ............................................................................ Set
Combiner – Lowered, cover removed
September 15, 2016
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