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Saab 340

By Wikipedia,
the free encyclopedia,

http://en.wikipedia.org/wiki/Saab_340

Saab 340
Estonian Air Saab 340A
Role Passenger aircraft
National origin Sweden
Manufacturer Saab
First flight 25 January 1983
Introduced 1983
Status Out of production
Primary users Mesaba Airlines
Regional Express
Colgan Air
Loganair
Produced 1983-1999
Number built 459

The Saab 340 is a Swedish two-engine turboprop aircraft designed and initially produced by a partnership between Saab and Fairchild Aircraft in a 65:35 ratio. Under the initial plan Saab built the all aluminium fuselage and vertical stabilizer, and also performed final assembly in Linköping, Sweden while Fairchild was responsible for the wings, empennage, and wing-mounted nacelles for the two turboprop engines. After Fairchild ceased this work, production of these parts was shifted to Sweden.

Design and development

Originally designated as the SF340, the aircraft first flew on 25 January 1983. When Fairchild exited the aircraft manufacturing business in 1985 after about 40 units, Saab continued aircraft production under the designation 340A and 159 units were built. An improved version, the second generation 340B, introduced more powerful engines and wider horizontal stabilizers in 1989 and all the 340Bs also had the active noise control system. 200 units were built. The final third generation version, the 340B Plus, was delivered for service in 1994 and incorporated improvements that were being introduced at the same time in the Saab 2000 100 units were built. The production run of Saab 340s typically seated between 30 and 36 passengers, with 34 seats being the most common configuration. The last two 340s built were constructed as older configuration 36-seat aircraft for Japan Air Commuter.

One of the improvements introduced in the 340B Plus was the installation of an active noise and vibration control system in the cabin, reducing noise and vibration levels by about 10 dB during cruising flight. This optional feature carried over from the 340B was standard in the 340B plus along with extended wingtips which was an option on the 340B+. Another change from earlier models was a more modern interior design and the moving of the lavatory compartment from the aft of the passenger cabin to just aft of the flight deck in most 3rd generation units. This increased total available cargo volume as the original location intruded into the cargo bin area. While the active soundproofing became standard on all Saab 340Bs in 1994 the first ever 340B Plus with the extended wingtips was delivered new to Hazelton Airlines in Australia in 1995, later operating for Regional Express, and currently for the Japanese Coast Guard. All 25 3rd generation units that were originally delivered under lease to American Eagle (now on lease to Regional Express) also have the extended wingtips.

The military variants are the Saab 340AEW, 340AEW-200 & 340AEW-300, which are airborne early warning (AEW) and airborne early warning & control (AEW&C) aircraft. Production of all 340 models ended in 1999, and Saab ceased all civil aircraft production in 2005.

Variants


Hokkaido Air System Saab 340B-WT.
Hokkaido Air System Saab 340B-WT.
Saab 340A
30 to 36-seat commuter airliner, powered by two 1,630-shp (1215-kW) General-Electric CT7-5A2 turboprop engines. (340A-001 to 340A-159)
Saab 340B
33 to 36-seat commuter airliner, powered by two 1,870-shp (1394-kW) General-Elecric CT7-9B turboprop engines. (340B-160 to 340B-359)
Saab Tp 100
VIP transport version of the Saab 340B and B Plus for the Swedish Air Force.
Saab 340B Plus
Improved version of the Saab 340B. Some units have a wider wingspan. (340B-360 to 340B-459)
Saab 340B plus SAR-200
Maritime search and rescue version for the Japan Coast Guard.
  • Saab 340AF (cargo)
Saab 340A QC
Quick-change freight transport version.
  • TP 100A
  • TP 100C
Saab 340AEW / S 100B Argus (FSR-890) Erieye
Airborne early warning version for the Swedish Air Force.
Saab 340AEW-200 / S 100D Argus (IS-340) Erieye
Saab 340AEW-300 / S 100D Argus (ASC-890) Erieye

Operators


American Eagle Saab 340B with Hamilton Standard Propellers at Los Angeles International Airport
American Eagle Saab 340B with Hamilton Standard Propellers at Los Angeles International Airport

A Colgan Air / United Express Saab 340 prepares to accept passengers. Charlottesville-Albemarle Airport, 2005.
A Colgan Air / United Express Saab 340 prepares to accept passengers. Charlottesville-Albemarle Airport, 2005.

Saab 340B operated by Colgan Air at Logan International Airport
Saab 340B operated by Colgan Air at Logan International Airport

Flightdeck of an American Eagle Airlines Saab 340B
Flightdeck of an American Eagle Airlines Saab 340B

As of May 2008, Saab Aircraft AB reports there were 416 Saab 340s in service with 61 operators in 30 countries having accumulated over 13 million flight hours on 14.5 million flights. The workhorse of the fleet (028) with 49,678 hours alone with the Australian unit (016) coming in at second.

Nine SAAB 340s have been written off in accidents, 6 of them without fatalities.

Civil operators

The active fleet of current operators

Regional Express Airlines has committed to lease 25 Saab 340B+ aircraft in the largest lease deal for the type, which has a redesigned extended wing to increase flight performance and fuel efficiency. They should enter service over the next three to four years. With the delivery of these 340B+'s. The Saab 340A's and some older 340B's will be phased out, 3 of the 340As will be converted into freighters. First Delivery was in May 2007. As of September 2008, 15 have been delivered. These B+ aircraft, all formerly in service with American Eagle, will all be delivered in 2009.

Former operators


Saab AEW & C surveillance aircraft, at Linköping, on Saab's Diamond Jubilee in 1997
Saab AEW & C surveillance aircraft, at Linköping, on Saab's Diamond Jubilee in 1997

Regional Express Saab 340A in 2007, this aircraft has since been converted into a freighter for Pel-Air
Regional Express Saab 340A in 2007, this aircraft has since been converted into a freighter for Pel-Air

Source:

Military operators

 Sweden
 Thailand
 Argentina
 Pakistan

Specifications (340B)


Saab 340B in Colgan Air livery originally delivered to American Eagle
Saab 340B in Colgan Air livery originally delivered to American Eagle

Saab 340B in previous US Airways Express livery
Saab 340B in previous US Airways Express livery

General characteristics

  • Crew: 2 pilots, 1 flight attendant
  • Capacity: 30, 33, 34 or 36 passengers
  • Length: 19.73 m (64 ft 9 in)
  • Wingspan: 21.44 m (70 ft 4 in)
  • Height: 6.97 m (22 ft 11 in)
  • Wing area: 41.8 m² (450 sq ft)
  • Airfoil: NASA MS(1)-0316 / -0312 (root/tip)
  • Empty weight: 8140 kg (17,945 lb)
  • Loaded weight: 13,155 kg ()
  • Powerplant:General Electric CT7-9B turboprops, 1295 kW (1,735 shp) each
  • Propellers: Dowty Rotol or Hamilton Standard 14RF19 four-blade constant speed propeller, 1 per engine
    • Propeller diameter: 3.35 m (11 ft)

Performance

See also

Related development

Comparable aircraft

Related lists

External links




Text from Wikipedia is available under the Creative Commons Attribution/Share-Alike License; additional terms may apply.


Published - July 2009














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