aThe FADEC-equipped SPU300[BA] has the highest power-to-weight ratio of any engine in its class and boasts an exceptionally wide operating envelope. It can be started on the ground up to 14,000 ft. and in the air up to FL 450. It can start the main engines up to FL 230. It can supply bleed air for cabin heating, air-conditioning and pressurization, plus fuel tank inerting, up to FL 250, full 60-kVA AC electrical power up to FL 450 and 40 kVA up to FL 510. However, use of the APU in flight ...


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