Jumat, 25 Desember 2009

de Havilland Canada DHC-6 Twin Otter Regional Airliner Regional Transport





Deskripsi

Setelah membuat pesawat transportasi mesin tunggal DHC-3 Otter, de Havilland Canada mengumumkan pengembangan pesawat mesin kembar DHC-6 pada 1964. Mampu membawa 13 hingga 18 penumpang, pesawat ini dikembangkan untuk landasan pendek yang mana kemampuan take-off dan pendaratan jarak pendek menjadi sangat penting. DHC-6 dapat dilengkapi dengan roda pendaratan standar ataupun skis atau pelampung untuk operasi di salju maupun air. Versatilitas ini tidak hanya membuat banyak maskapai penerbangan tertarik, tetapi juga departemen militer dan pemerintahan. Pesawat ini juga populer pada institusi riset seperti NASA dan NOAA.




Model utama pesawat ini termasuk Seri 100, Seri 200 yang lebih berat dan Seri 300 dengan pengembangan mesin dan ruangan menjadi 20 penumpang. Versi militer juga dibuat, dikembangkan untuk tugas-tugas militer seperti pesawat transpor bersenjata dan pesawat intai maritim. Produksi Twin Otter berakhir pada 1988 setelah 844 pesawat dibuat, dan pesawat pengganti bernama DHC-9 masih dalam pengembangan. Akan tetapi, Twin Otter masih tetap populer sehingga perusahaan Kanada, Sir Viking, membeli hak produksi dan mengumumkan bahwa produksi akan dimulai kembali pada 2008 untuk seri-400.




HISTORY:
First Flight: 20 May 1965
Service Entry: 1966
CREW: two: pilot, co-pilot

PASSENGERS:(typical) 18-20; (Series 300) 20 in one-class

ESTIMATED COST: unknown

AIRFOIL SECTIONS:
Wing Root: NACA 63A516 mod
Wing Tip: NACA 63A516 mod

DIMENSIONS:
Length: 51.75 ft (15.77 m)
Wingspan: 65.00 ft (19.81 m)
Height: 19.50 ft (5.94 m)
Wing Area: 420 ft² (39.02 m²)
Canard Area: not applicable

WEIGHTS:
Empty: 7,415 lb (3,365 kg)
Normal Takeoff: unknown
Max Takeoff: 12,500 lb (5,670 kg)
Fuel Capacity: internal: 2,500 lb (1,135 kg); external: not applicable
Max Payload: 2,500 lb (1,135 kg)

PROPULSION:
Powerplant: two Pratt & Whitney Canada PT6A-27 turboprops
Thrust: 1,304 ehp (942 ekW)

PERFORMANCE:
Max Level Speed: at altitude: 215 mph (340 km/h) at 10,000 ft (3,050 m); at sea level: unknown
Initial Climb Rate: 1,600 ft (490 m) / min
Service Ceiling: 26,700 ft (8,140 m)
Range typical: 700 nm (1,295 km)
max payload: 100 nm (185 km)
g-Limits: unknown

KNOWN VARIANTS:
Series 100: First production model with a short nose; 115 built
Series 200: Model with a longer nose, increased baggage capacity, and higher maximum takeoff weight; 115 built
Series 300: Improved Series 200 model with uprated engines and greater maximum takeoff weight, later models able to carry up to 20 passengers
Series 300M: Military transport in two versions: basic model and counter-insurgency model equipped with machine guns and underwing pylons
Series 300MR: Maritime reconnaissance model featuring a search radar; 1 built for Senegal
Series 300S: Model with 11 seats and improved STOL features for use in small inner-city airports; 6 built
Series 400: Proposed improved model to meet more stringent US noise requirements; not built
Series 400: Revived production model manufactured by the Canadian firm Viking Air, includes a new PT6A-34/35 engine; at least 40 to be built
CC-138: Search-and-rescue model used by the Canadian military
UV-18A: Command transport based on the Series 300 model and used by the US Army; 6 built
UV-18B: Parachuting model based on the Series 300 and used by the US Air Force Academy; 2 built

KNOWN OPERATORS:
Civil:
AAI
Adlair Aviation
Aerolinea de Antioquia (ADA)
Aeroperlas
Aerovias DAP
Aero Zambia
Air Alpes
Air America
Air BC
Air Burundi
Aircalin
Air Djibouti
Air Ecosse
Air Greenland
Air Iceland
Air Limousin Travail Aérien (ALTA)
Air Madagascar
Air Moorea
Air Pacific
Air Panama
Air São Tomé and Príncipe
AirSea Lines
Air Sénégal
Air Seychelles
Air Tindi
Air Turks & Caicos
Air Vendée
Air West
Alaska Airlines
Aloha Island
Aurigny
Brymon
Cameroon Airlines
Carib Aviation
Cayman Airways
China Flying Dragon Aviation
Continental Express
CrownAir
Crown Airways
Dorado Wings
Eagle Air (Iceland)
Eastern Metro Express/Metro Airlines (USVI)
Emirates
Era
Evergreen Helicopters
Flugfélag Norðurlands
Fraser Valley
Grand Canyon Airlines
GT Air
Gulf Air
Harbour Air
Intermountain Aviation
Isles of Scilly Skybus
Jersey European
Kenn Borek Air
Lab Air
Labrador Airways
La Ronge
Lake Union
Lina Congo
Loganair
Malaysian Airline System (MAS)
Maldivian Air Taxi
MASWings
Manx
Merpati Nusantara Airlines
Metro Airlines
Metropolitan
Mountainwest
Nature Air
Nepal Airlines
NorOntair
NT Air
Pacific Sun
Pilgrim Airlines
Ptarmigan
Raecom
Rio
Royal Nepal Airlines
Seaborne Airlines
Shawnee Airlines
Solomon Airlines
St. Lucia Airways
SCAT
Scenic
Schreiner Airways
Schreiner Airways Cameroon
Skybus
Skydive
Spacegrand
Swedair
Talair
Touraine Air Transport (TAT)
Trigana Air Service
Trans Maldivian Airways
Trans Provincial
UNICEF
Unitair
US Air Express
Vaengir
Walker's Cay
West Coast
West Flight
Wiggins Airways
Windward Islands Airways International
Yeti Airlines
Government/Military
Afghanistan
Argentina (Air Force, Army, Navy)
Australia
Benin
British Antarctic Survey
Canada
Chile
Colombia
Dominican Republic
Ecuador
Ethiopia
France (Air Force, Army)
Haiti
Jamaica
Malaysia
National Aeronautics & Space Administration (NASA)
National Oceanic and Atmospheric Administration (NOAA)
Nepal
Netherlands
Norway
Panama
Paraguay
Peru
Senegal (300MR)
Sudan
Switzerland
Uganda
US Air Force
US Army
Venezuela





Diterjemahkan secara bebas dari: www.fas.org

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