737 Flight Crew Operations Manual
Flight Management, Navigation -
FMC Cruise
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D6-27370-866-EGP 11.42.31
RTA Cruise Climb
The RTA cruise climb page displays the same data as the cruise climb page except
for the TIME ERROR line.
1 TIME ERROR
Displays the computed time error at the RTA waypoint.
Same as time error on RTA PROGRESS page.
Cruise Descent
The cruise descent page displays data for a cruise descent to a new altitude.
MOD CRZ DES is automatically displayed during cruise if a lower cruise altitude
is entered on the CRZ page.
YW273, YW274
(SB Changes YK981 - YQ456)
CRZ DES provides the means of initiating step descents to a new cruise altitude
during cruise.
During VNAV operation, execution initiates a descent at 1,000 feet per minute and
cruise target speed to the new altitude.
YW273, YW274
(SB Changes YK981 - YQ456)
The FMC software allows a CRZ DES to the normal Descent Path capture if the
normal path is encountered during the Cruise Descent and prior to reaching the
new cruise altitude.
• the Descent phase will be entered from a Cruise Descent at the time the
extended descent path is captured.
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September 15, 2016