24-Electric
Power
26-Fire Protection
28-Fuel
37-Vacuum
54-Engine Mount
61-Propellor
71-Powerplant
72-Engine
72-10 Crankcase
72-11 Water
Jacket Machining
72-12 Tension Bolts
72-20 Rotating Parts
72-21 E-Shaft Oil Bypass
72-22 Rotors
72-23 Apex Seals
72-24 Side and Oil Seals
72-30 Accessory Drives
72-31 Intake Manifold
72-40 Cooling
72-41 Radiator
72-42 Radiator Hoses
72-43 Thermostat
72-44
Water Pump
72-45 Radiator Mounting
72-46 Cooling Theory
72-47 NACA Ducts
73-Fuel
& Control
74-Ignition
75-Air
76-Control
77-Indicating
78-Exhaust
79-Engine
Oil
80-Starting
83-Gearbox