737 Flight Crew Operations Manual
Performance Inflight
Text
737-800WSFP1/CFM56-7B26
FAA
Category C/N Brakes
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
PI.17.12 D6-27370-866-EGP
APU Operation During Flight
For APU operation during flight, increase fuel flow according to the
following table. These increments include the APU fuel flow and the effect
of increased drag from the APU door.
Long Range Cruise Diversion Fuel and Time
Tables are provided for crews to determine the fuel and time required to
proceed to an alternate airfield with one engine inoperative. The data is
based on single engine Long Range Cruise speed and .78/280/250 descent.
Enter with Air Distance as determined from the Ground to Air Miles
Conversion table and read Fuel and Time required at the cruise pressure
altitude. Adjust the fuel obtained for deviation from the reference weight
at checkpoint as required by entering the off reference fuel adjustments
table with the fuel required for the reference weight and the actual weight
at checkpoint. Read fuel required and time for the actual weight.
Holding
Single engine holding data is provided in the same format as the all engine
holding data and is based on the same assumptions.
Gear Down Landing Rate of Climb Available
Rate of climb data is provided as guidance information in the event an
engine inoperative landing (manual or autoland) is planned. The tables
show gear down rate of climb available for Flaps 15 and Flaps 30. Enter
the table with TAT and pressure altitude to read rate of climb available.
Apply adjustments shown to correct for weight.
Alternate Mode EEC
Introduction
This section contains performance data for airplane operation with the
Electronic Engine Control (EEC) in the alternate mode (ALTN EEC switch
illuminated) for applicable thrust ratings. The data includes engine bleed
effects for normal air conditioning operation i.e., two packs on at normal
flow all engines operating.
PRESSURE ALTITUDE (1000 FT) APU FUEL FLOW (KG/HR)
39 45
35 45
31 50
25 60
20 65
15 75
10 85
595
September 15, 2016
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