Boeing 787-8 - Page 1282

787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Flight Management, Navigation -
FMC Preflight
Copyright © The Boeing Company. See title page for details.
11.40.36 D615Z003-TBC
Cost index is used to calculate ECON climb, cruise, and descent speeds. Larger
values increase ECON speeds. Entering zero results in maximum range airspeed
and minimum trip fuel. Cost index can be entered by the flight crew or from a
company route or uplink.
Valid entries are 0 to 9999.
[Option – Fuel freeze temp]
Displays the fuel freeze temperature for a given fuel.
Default value from the AIRLINE POLICY page displays in small font and may
not be deleted.
Temperature may be crew entered or uplinked.
Flight crew entered value displays in large font.
Valid entries are -99º C to -1º C.
When actual fuel temperature is within 3º C of the displayed value, the EICAS
advisory message FUEL TEMP LOW displays.
Used by FMC to compute maximum altitude and maneuver margin to buffet.
[Option – FAA rules]
Displays default value of 30.0% in small font and may not be deleted.
Flight crew entered value displays in large font.
Valid entry is 14.0 through 44.0.
Displays the climb altitude increment used for planning the optimum climb
profile.
Default value is ICAO.
Valid manual entries are 0 to 9000 in 1000 foot increments.
In–flight entries are inhibited. In–flight step size changes are made on the CRZ
page.
For a non–zero entry, performance predictions are based on step climbs at
optimum points. For a zero entry, performance predictions are based on a constant
CRZ ALT.
Push – shows the THRUST LIM page.
8
COST INDEX
9
Fuel Freeze Temperature (FUEL FRZ TEMP)
10
Cruise Center of Gravity (CRZ CG)
11
STEP SIZE
12
Thrust Limit (THRUST LIM)
February 15, 2010