787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Supplementary Procedures -
Adverse Weather
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC SP.16.7
Before Takeoff Procedure
Do the normal Before Takeoff Procedure with the following modification:
Do the following steps after clear of snow and slush but before completing
the normal Before Takeoff Procedure:
Call “FLAPS ___” as needed for takeoff. PF
Flap lever ....................................Set takeoff flaps, as needed PM
Extend the flaps to the takeoff setting at this time if they have been
held because of slush, standing water, or icing conditions, or
because of exterior de-icing / anti-icing.
[Option – RR engines]
Engine oil temperature............................. Above amber limit PF
Oil temperature must be above the amber limit before takeoff.
Takeoff Procedure
Do the normal Takeoff Procedure with the following modification:
When engine anti-ice is required and the OAT is 3°C or below, the
takeoff must be preceded by a static engine run-up. Use the following
procedure:
[Option – RR engines]
Run-up to a minimum of 50% N1 and confirm stable engine
operation before the start of the takeoff roll.
[Option – GE engines]
Run-up to as high a thrust setting as practical and confirm stable
engine operation before the start of the takeoff roll.
February 15, 2010
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