Friday, 13 September 2013

Yunshuji 12 Chinese variation of De Havilland Canada DHC-6 Twin Otter



General characteristics
Crew: 2
Capacity: 17 passengers
Length: 18.86 m (48 ft 9 in)
Wingspan: 17.24 m (56 ft 6½ in)
Height: 5.68 m (18 ft 7½ in)
Wing area: 34.27 m² (368.9 ft²)
Airfoil: LS(1)-0417
Empty weight: 2,840 kg (6,621 lb)
Max. takeoff weight: 5,300 kg (11,684 lb)
Powerplant: 2 × Pratt & Whitney Canada PT6A-27 turboprop, 462 kW (620 hp) each

Performance
Maximum speed: 328 km/h (177 knots, 204 mph) at 3,000m (9,840 ft) (max cruise)
Cruise speed: 250 km/h (135 knots, 155 mph) at 3,000m (9,840 ft) (econ cruise)
Range: 1,340 km (723 NM, 832 mi) at econ cruise, 45 min reserves
Service ceiling: 7,000 m (23,000 ft)
Rate of climb: 8.1 m/s (1,595 ft/min)

The DHC-6 Twin Otter is a Canadian 19-passenger STOL (Short Takeoff and Landing) utility aircraft developed by de Havilland Canada and currently produced by Viking Air. The aircraft's fixed tricycle undercarriage, STOL abilities and high rate of climb have made it a successful cargo, regional passenger airliner and MEDEVAC aircraft. In addition, the Twin Otter has been popular with commercial skydiving operations, and is used by the United States Army Parachute Team and the United States Air Force's 98th Flying Training Squadron.

Design and development

The Y-12 started life as a development of the Harbin Y-11 airframe. The design featured numerous improvements including a redesigned wing with a new low drag section, a larger fuselage and bonded rather than riveted construction.
The first prototype, followed by about 30 production Y-12 (I) aircraft before a revised version was produced. This was designated the Y-12 (II), which featured more powerful engines and removal of leading edge slats, first flying on 16 August 1984 and receiving Chinese certification in December of the following year. The powerplants are two Pratt & Whitney Canada PT6A-27 turboprops with Hartzell propellers. The Y-12 has a maximum payload of 5,700 kg (12,600 lb) with seating for 17 passengers and two crew. The aircraft is operated as a light commuter and transport aircraft.

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Regards,

Surbhi Maheshwari [MBA Fin / Mktg ] 
Manager Finance
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P - Productivity S - Speed R - Relevancy    
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is a story of Pilots in Aviation who are unable to cope. This is not a book to teach you how to get into an Aviation School or even how to live like a Pilot. In fact, it describes how one can become a Successfull Aviator not just an Airplane Driver [ So called Pilot ] with very small changes in life. Also Why abroad trained Pilots are better Aviator and Why FAA, CASA, CAAP, CAA are better civil Aviation Authority then DGCA.
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