49 - AIRBORNE AUXILIARY POWER
- 49-11 POWER PLANT
- 49-12 APU MOUNTS
- 49-15 ELECTRICAL HARNESS
- 49-16 AIR INTAKE SYSTEM
- 49-17 POWER PLANT DRAIN SYSTEM
- 49-21 POWER SECTION
- 49-23 LOAD COMPRESSOR
- 49-26 ACCESSORY DRIVE GEARBOX
- 49-31 FUEL DISTRIBUTION
- 49-32 APU FUEL CONTROL
- 49-41 IGNITION
- 49-42 STARTING
- 49-51 BLEED AND SURGE AIR
- 49-52 ACCESSORY COOLING
- 49-61 CONTROL AND MONITORING
- 49-62 EMERGENCY SHUTDOWN
- 49-71 POWER INDICATING
- 49-72 TEMPERATURE INDICATING
- 49-73 ANALYZERS
- 49-81 EXHAUST SYSTEM
- 49-91 STORAGE AND DISTRIBUTION
- 49-93 OIL INDICATING
- 49-94 LOW OIL PRESSURE AND HIGH OIL TEMPERATURE WARNING
- 49-96 APU - OIL HEATING