ATA Chapters ATA 62 Main Rotor(S) (27) ATA 18 Vibration And Noise Analysis (4) ATA 71 Power Plant (17) ATA 27 Flight Controls (3) ATA 76 Engine Controls (2) ATA 09 Towing And Taxi (10) ATA 83 Accessory Gearboxes (32) ATA 31 Indicating / Recording System (1) ATA 80 Starting (2) ATA 75 Bleed Air (3) ATA 70 Standard Practices Engine (1) ATA 66 Rotor Blade & Tail Pylon Folding (11) ATA 79 Oil (12) ATA 07 Lifting And Shoring (3) ATA 63 Main Rotor Drive(S) (50) ATA 65 Tail Rotor Drive (21) ATA 67 Rotors Flight Control (3) ATA 64 Tail Rotor (5) ATA 28 Fuel (2) ATA 72 Engine - Reciprocating (102) ATA 73 Engine - Fuel And Control (9) ATA 10 Parking, Mooring, Storage & RTS (1) ATA 12 Servicing - Routine Maintenance (1) ATA 61 Propellers / Propulsors (1) New Yes (1) No (837) Length 19" / 0.5m (1) Maintenance Check Hours AOG (4) Main Rotor Hub Assy 2500 Hour (4) Transmission Assy 6000 Hour (11) EC145 300Hour (1) Tail rotor gearbox 5000 Hour (1) Bell 407 600 Hour / 12 Month (3) Main rotor Hub and Mast Assembly 5000 Hour (1) Transmission 5000 Hour (4) Bell 407 1200 Hour /24 Month (1) AW109 400 Hour (1) Tail Rotor Drive Assy 5000 Hour (8) Manufacturer Hawkesbury (163) San Diego (12) Eugene (659) Broussard (2) Paravion (2) Width 11" / 0.28m (1)