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Bell 214
| Bell 214 | |
|---|---|
| A Bell 214B | |
| Type | medium-lift helicopter |
| Manufacturer | Bell Helicopter |
| Maiden flight | 1970 |
| Introduced | 1972 |
| Primary user | Islamic Republic of Iran Army |
| Developed from | Bell 204/205 |
| Variants | Bell 214ST |
The Bell 214 medium-lift helicopter is derived from the ubiquitous UH-1 Huey series.
Contents
Design and development
The original development of the Model 214 was announced by Bell in 1970 under the name "Huey Plus". The first prototype was based on a Bell 205 airframe equipped with a Lycoming T53 engine of 1900 shp.[1]
The first 214A demonstration prototype followed and was evaluated in Iran during field exercises with the Iranian Armed Forces. The trial was judged successful and an order for 287 214A helicopters followed. The intention was that these aircraft would be constructed by Bell in their Dallas-Fort Worth facility and that a further 50 214As and 350 Bell 214ST helicopters would then be built in Iran. In the event 296 214A models and 39 214C models were delivered, before the Iranian Revolution ended the plans for Iranian production.[1]
Similar in size and appearance to the Bell 205 and Bell 212, the Bell 214 uses a single much larger, 2930shp (2185kW) engine (Lycoming LTC4B-8) and upgraded rotor system giving it a high lifting capacity and good performance at high temperatures and high altitudes. [2] It can be identified by the single large exhaust duct and wide chord rotor blades without stabilizer bars.
Variants
- Bell 214 Huey Plus - The prototype 214 flew in 1970. Powered by one Lycoming T53-L-702 turboshaft (1900shp/1415kW). [2]
- Bell 214A/C Isfahan - The 299 Bell 214As for the Imperial Iranian Army Aviation were built beginning in 1972, followed by 39 Bell 214Cs with a hoist and other search and rescue equipment for the Imperial Iranian Air Force. [2]
- Bell 214B BigLifter - Bell offered the Bell 214B "BigLifter" for civil use.[2] Receiving certification in 1976, it was built until 1981 with total production of 104.
- Bell 214B-1 - This version of the Bell Model 214B is able to carry up to 12,500-lb (5670-kg) of internal loads. The external load is the same as the 214B. This was done for certification purposes in some countries where the limit for "heavy" aircraft was/is at 5700kgs. The only difference between the 214B and 214B-1 is the dataplate and the flight manual.
Operational history
An estimated 170 Bell 214A/Cs remain in Iranian service. The overhaul facility set up at the time of delivery, the Iran Helicopter Support & Renewal Company, is now able to do major rebuilds that could be considered manufacture of new machines.
Approximately 24 214Bs are still flying in commercial service where the hook lifting capacity of 8000 lbs suits them for fire fighting, logging, and similar crane work. User countries are Canada (8), France (1), Korea (8), Norway (2), Singapore (3) United States (?).
Per the Type Certificate Data Sheet, Note 10., "Except for a difference in maximum weight, the Model 214B and 214B-1 are identical to each other.
Operators
Military operators
Specifications (214A)
Data from The International Directiory of Civil Aircraft[3]
General characteristics
- Crew: 2
- Capacity: 3,880 lb including 14 troops, or 6 stretchers, or equivalent cargo
- Length: 48 ft 0 in (14.63 m))
- Rotor diameter: 50 ft 0 in (15.24 m)
- Height: 12 ft 10 in (3.90 m)
- Empty weight: 7,588 lb (3,442 kg)
- Loaded weight: 13,800 lb (6,260kg)
- Max takeoff weight: 15,000 lb with slung load (6,805 kg)
- Powerplant: 1× Lycoming LTC4B-8D turboshaft, 2,930 shp (2,185 kW)
Performance
- Cruise speed: 140 knots (260 km/h)
- Range: 255 mi (475 km)
- Service ceiling: 16,400 ft Density altitude ()
References
- ↑ 1.0 1.1 Apostolo, Giorgio: The Illustrated Encyclopedia of Helicopters, page 54. Bonanza Books, New York, 1984. ISBN 0-517-439352
- ↑ 2.0 2.1 2.2 2.3 Frawley, Gerard: The International Directory of Military Aircraft, page 34. Aerospace Publications Pty Ltd, 2002. ISBN 1-875671-55-2
- ↑ Frawley, Gerard: The International Directory of Civil Aircraft, 2003-2004, page 44. Aerospace Publications Pty Ltd, 2003. ISBN 1-875671-58-7
External links
Related Content
Related development
Comparable aircraft
Designation sequence
See also
Fighter aircraft: YFM-1 · P-39 · P-59 · P-63 · XP-77 · XP-83
Commercial Helicopters: 47 · 204 · 205 · 206 · 210 · 212 · 214 · 222 · 230 · 407 · 412 · 417 · 427 · 429 · 430
Military Helicopters: H-13 · UH-1 · 207 · 209 · AH-1 · 309 · YAH-63 · OH-58 · ARH-70
Tiltrotors: V-22 · BA609 · TR918 · QTR
Experimental aircraft: X-1 · X-2 · X-5 · X-20 X-22 · XV-3 · XV-15 · 533 ·
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