Piloted Simulation Tests of Propulsion Control as Backup to Loss of Primary Flight Controls for a B747-400 Jet Transport
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1997-04-01
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NTL Classification:NTL-AVIATION-AVIATION;NTL-AVIATION-Aviation Human Factors;NTL-AVIATION-Aviation Safety/Airworthiness;
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Abstract:This report describes the concept of a propulsion controlled aircraft (PCA),
discusses pilot controls, displays, and procedures; and presents the results of a
PCA piloted simulation test and evaluation of the B747-400 airplane conducted at
NASA Ames Research Center in December, 1996. The purpose of the tests was to
develop and evaluate propulsion control throughout the full flight envelope of
the B747-400 including worse case scenarios of engine failures and out of trim
moments. Pilot ratings of PCA performance ranged from adequate to satisfactory.
PCA performed well in unusual attitude recoveries at 35,000 ft altitude,
performed well in fully coupled ILS approaches, performed well in single engine
failures, and performed well at aft cg. PCA performance was primarily limited
by out-of-trim moments. 52p.
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