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TWIN-ENGINE HELICOPTER OPERATIONS

TWIN-ENGINE HELICOPTER OPERATIONS. WHY A TWIN?. Direct routings in urban areas: saves time Can do Commercial Air Transport at night Can fly IFR (cloud/low visibility) subject to temperature and pilot qualification/training Operates to smaller landing sites than single-engine helicopters

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TWIN-ENGINE HELICOPTER OPERATIONS

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  1. TWIN-ENGINE HELICOPTER OPERATIONS AV8 Helicopters Ltd

  2. WHY A TWIN? • Direct routings in urban areas: saves time • Can do Commercial Air Transport at night • Can fly IFR (cloud/low visibility) subject totemperature and pilot qualification/training • Operates to smaller landing sites than single-engine helicopters • Can be used for over-water CAT flights AV8 Helicopters Ltd

  3. TWIN ENGINE: ENHANCED OVERALL SAFETY AND OPERATIONAL FLEXIBILITY THE AIRCRAFT OF CHOICE FOR CORPORATE AND EXECUTIVE WORK AV8 Helicopters Ltd

  4. PROS AND CONS OF COMMON LIGHT TWIN HELICOPTERS • Agusta 109: sleek, fast, up to 7 pax seats • EC 135: state of art, quiet, high capital cost, not • widely available, but lower DOC than some • MD 902 Explorer: ‘NOTAR’ high capital costs, • history of technical and support difficulties • Bell 427: unusually for Bell, has not been a • commercial success • AS355 Twin Squirrel F1/F2/N: easy availability • predictable DOC, good cabin configurations AV8 Helicopters Ltd

  5. TWIN SQUIRREL • AS 355-F1: 2 x RR Allison Engines, 2400 kg MAUW • AS 355-F2: 2 x RR Allison Engines, 2540 kg MAUW • AS 355-N: 2 x TM Arrius Engines, 2600 Kg MAUW AV8 Helicopters Ltd

  6. Agusta 109 Power 2 x PW206 or Arrius 2 Engines, 2850 Kg MAUW AV8 Helicopters Ltd

  7. COMPARISON OF COMMON SINGLE ENGINE AND TWIN ENGINE HELICOPTERS: PAYLOAD AND RANGE Typical Weights will vary with standard of equipment and cabin layout/trim AV8 Helicopters Ltd

  8. AGUSTA A109E POWER SERIAL NO 11011 REGISTRATION NO 5N-BGX (Former N108WP, N27BD) AV8 Helicopters Ltd

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  12. A109-Power 5N-BGX AV8 Helicopters Ltd

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  15. Survey Findings # 2 engine intake shroud burnt/corroded Oil leak in gearbox well area Play in # 2 eng. Mounts L.H. brake calliper leaking, main wheel contaminated # 1 U/C actuator weeping Mandolin frame repair – check safety of Hi-locks T/R pitch change mechm. fixed link (pt.no. 109-0130-60-109) worn T/R connecting link (2 off) [pt.no. 109-0133-04-105] worn to limits 0.25 inch crack in frame 8339.3 (ADF access panel, looking aft) T/R/D/S bearings, rubber dust shields show signs of distress ECS scat tube holed P1 heater control knob missing Very noisy fuel boost pump Fuel Qty. indications mismatch (124/93 Kgs) DME/Indicator inop. ASI discrepancy (130/115 Kts.) AV8 Helicopters Ltd

  16. PENDING TECHNICAL BULLETINS • BT- 39 (Batt. Bus, Compliance due 31/03/04) • BT- 40 (Radio Master Sw., Compliance due 31/12/03) • BT- 41 (Emer. Bus relay. Repetitive?) • BT- 42 (Oil cooler hose, Compliance due 31/08/05) • BT- 43 (M.G.B attach. Hardware, Compliance due 30/09/04) • BT- 46 (Relocate ELT aerial, not mandated by National Authority, but is in Europe) • BT- 56 (Pitot heater, optional) • ITEMS SHORTLY DUE • BT - 57 (Audio warning panel, Compliance due 28/02/06) • BT - 59 (ECS overheat, Compliance due 30/09/06) • BT - 60 (U/C actuators, Compliance due 31/12/06) • BT - 61 (CAD’s, Compliance due 31/03/06) • BT - 63 (Fire control panels, Compliance due 30/04/06) • BT - 66 (Generator loom, Compliance due 31/07/06) AV8 Helicopters Ltd

  17. QUESTIONS? AV8 Helicopters Ltd

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