LONG RANGE CRUISE MAXIMUM OPERATION ALTITUDE
These tables provide the maximum operating altitude in the same manner as the FMC. Maximum altitude are shown for a given cruise weight and maneuver capability. Note that these tables consider both thrust and buffet limits, providing the more limiting of the two. Any data that thrust limited is denoted by an asterisk and represents only a thrust limited condition in level flight with maximum cruise thrust at 0 ft/min residual rate of climb or maximum climb thrust at 100 ft/min residual rate of climb flying above these altitudes with sustained banks in excess of approximately 12° may cause the airplane to lose speed and/or altitude. Note that optimum altitudes shown in the tables result in buffet related maneuver margins of 1.5& (48° bank) or more. The altitudes shown in it the table are limited to the maximum certified altitude of 43100 ft.
LONG RANGE CRUISE CONTROL
These tables provide target %N1 long range cruise mach number, IAS and standard day fuel flow per engine for the airplane weight and pressure altitude. As indicated by shaded area, at optimum altitude. 80M approximates the long range cruise mach schedule.
APU OPERATION DURING FLIGHT
For APU operation during flight, increase fuel flow according to the table in the engine inoperative next section.
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