737 Flight Crew Operations Manual
Supplementary Procedures -
Automatic Flight
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
SP.4.2 D6-27370-866-EGP
Pitch mode – V/S
IAS/MACH Selector .......................................... Set desired speed
Intervention of FMC Altitude Constraints during VNAV Climb
MCP altitude selector ..................................................... Set new altitude
New altitude must be higher than the FMC altitude constraint(s) to
be deleted.
ALT INTV switch ............................................................................ Push
Each push of the ALT INTV switch will delete an FMC altitude
constraint.
Intervention of FMC Cruise Altitude during VNAV Cruise
(SB Changes YK981 - YQ456)
MCP altitude selector .......................................................................... Set
ALT INTV switch ............................................................................ Push
If a higher altitude is selected, a CRZ climb will be started.
If a lower altitude is selected, an early descent will be started.
Intervention of FMC Cruise Altitude during VNAV Cruise
YW273, YW274
(SB Changes YK981 - YQ456)
MCP altitude selector .......................................................................... Set
ALT INTV switch ............................................................................ Push
If a higher altitude is selected, a CRZ climb will be started.
If the airplane is more than 50 nm from T/D, if a lower altitude is
selected, a CRZ descent will be started if the selected altitude is
above any FMC altitude constraint.
If the airplane is more than 50 nm from T/D, if a lower altitude is
selected, an early descent will be started if the selected altitude is
below any FMC altitude constraint.
If the airplane is 50 nm or less from T/D, if a lower altitude is
selected, an early descent will be started.
September 15, 2016
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