United Airlines 2012 Annual Report Download - page 417
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Attachment A2
6-1162-RCN-1937
GEnx-1B*** Engines
Page 15
Usable reserve fuel remaining upon completion of the approach and landing maneuver: ***Pounds
For information purposes, the reserve fuel is based on *** percent of a contingency allowance equivalent to the fuel
required for a *** minute cruise on a standard day at an *** Mach number, *** feet and a maximum landing
weight of *** Pounds.
2.3.5 Mission Block Fuel
The block fuel for a stage length of *** nautical miles in still air with a *** pound payload using the conditions and operating rules defined below,
shall not be more than the following guarantee value:
NOMINAL: *** Pounds
TOLERANCE: *** Pounds
GUARANTEE: *** Pounds
Conditions and operating rules:
Stage Length: The stage length is defined as the sum of the distances for the climbout maneuver, climb, cruise, and descent.
Block Fuel:
The block fuel is defined as the sum of the fuel used for taxi-out, takeoff and climbout maneuver, climb, cruise,
descent, approach and landing maneuver, and taxi-in.
Takeoff: The airport altitude is ***.
The takeoff gross weight is *** the airport conditions.
Maximum takeoff thrust is used for the takeoff.
The takeoff gross weight shall conform to FAA Regulations.
P.A. No. 2484
AERO-B-BBA4-M12-0854 SS12-0424