ATA Chapters ATA 62 Main Rotor(S) (56) ATA 25 Equipment/Furnishings (3) ATA 71 Power Plant (5) ATA 66 Rotor Blade & Tail Pylon Folding (1) ATA 79 Oil (3) ATA 12 Servicing - Routine Maintenance (5) ATA 72 Engine - Reciprocating (2) ATA 29 Hydraulic Power (1) ATA 28 Fuel (1) ATA 32 Landing Gear (2) ATA 64 Tail Rotor (29) ATA 67 Rotors Flight Control (5) ATA 65 Tail Rotor Drive (20) ATA 63 Main Rotor Drive(S) (50) ATA 83 Accessory Gearboxes (3) New Yes (2) No (182) Maintenance Check Hours AOG (5) AW109 800 Hour (1) Bell 407 1200 Hour /24 Month (1) 300 Hour (1) Main rotor Hub and Mast Assembly 5000 Hour (2) Bell 407 600 Hour / 12 Month (3) AW119 800 Hour (1) Manufacturer San Diego (2) Eugene (182) Product Category Tools (184) Product Line Work Aids/Custom Tools (184)