MIL-P-85573, MILITARY SPECIFICATION: POWER UNIT AIRCRAFT, AUXILIARY, GAS TURBINE GENERAL SPECIFICATIONS FOR (15-NOV-1983)

MIL-P-85573, MILITARY SPECIFICATION: POWER UNIT AIRCRAFT, AUXILIARY, GAS TURBINE GENERAL SPECIFICATIONS FOR (15-NOV-1983)., This specification establishes the performance, operating characteristics, design features, detailed interface configuration definitions, and installation envelopes for a gas turbine auxiliary power unit (APU). This specification also establishes the demonstrations, tests, reports, inspection procedures, and other data required for satisfactory completion and acceptance, by the Using Service, of the Preliminary Flight Rating Tests (PFRT) and the Verification Tests (VT) for APUs.