Fairchild Hiller FH-1100

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FH-1100
Fairchild-Hiller FH1100 Le Bourget 03.06.67.jpg
File:Model FH-1100 on display at the Paris Air Show at Paris Le Bourget Airport in June 1967
Role Helicopter
Manufacturer Fairchild Hiller
First flight 21 January 1963
Introduction 1966
Status Currently in use
Primary users Okanagan Helicopters
Royal Thai Police
Produced 1966-1973
Number built 253

The Fairchild Hiller FH-1100 is a single-engine, single two-bladed rotor, light helicopter which began as a design entry into the United States Army's Light Observation Helicopter program. The Hiller Model 1100 was not selected but after Hiller Aircraft was purchased by Fairchild Stratos in 1964, the Model 1100 was successfully marketed as a civilian helicopter, the FH-1100. The type certificate is now held by the FH1100 Manufacturing Corporation of Century, Florida.[1]

Development

Light Observation Helicopter (LOH)

File:Oh5a001.jpg
YOH-5A LOH

In October 1960, the Army submitted a request for proposals (RFP) for the Light Observation Helicopter (LOH). Hiller Aircraft (Hiller), along with 12 other manufacturers, including Bell Helicopter (Bell) and Hughes Tool Co. Aircraft Division (Hughes), entered the competition,[2] submitting their designs to a Navy team for evaluation. Hiller submitted the Model 1100, which was recommended by the Navy team and eventually selected as one of three winners of the design competition by the Army in May 1961.[3] The Army designated the Model 1100 design as the YOH-5.[4][5]

Detailed design work began in November 1961, and the Model 1100 prototype made its maiden flight on 21 January 1963. Hiller produced a total of five copies of the Model 1100 to submit to the Army for the Test and Evaluation phase at Camp Rucker, Alabama in 1963. After the test and evaluation, the Bell YOH-4 was eliminated, and Hiller and Hughes competed in a program cost analysis bid for the contract. In 1965, Hiller was underbid by Hughes and the Army selected Hughes' YOH-6. Although Hiller formally protested, Hughes was awarded a production contract for the OH-6 Cayuse.[6]

In 1967, when the Army reopened the LOH competition for bids because Hughes Tool Co. Aircraft Division could not meet the contractual production demands.[citation needed] Fairchild-Hiller decided not to resubmit their bid with the YOH-5A, instead choosing to continue with commercial marketing of their civilian version, the FH-1100.[7]

The FH-1100 was produced until 1973. In 2000, the Type Certificate was purchased by FH1100 Manufacturing Corporation. FH1100 Manufacturing conducts remanufacturing and training but has not received a production certificate for the FH-1100, which it now calls the FHoenix.[citation needed]

Variants

Hiller Model 1100
Four-seat prototype powered by an Allison 250-C10 engine and certified in May 1964.
FH-1100
Civil production five-seat model powered by an Allison 250-C18 engine and certified in November 1966. Later production fitted with an Allison 250-C20B engine. 246-built
RH-1100A Pegasus
Updated civil version, built and marketed by Rogerson Hiller Helicopters.
RH-1100M
Updated military version, built and marketed by Rogerson Hiller Helicopters.
YOH-5A
United States Army designations for five Model 1100 for evaluation powered by a 250shp Allison T-63-A-5 engine.

Former operators

 Argentina
 Brazil
 Canada
 Ecuador
 El Salvador
 Panama
 Philippines
 United States

Accidents

An FH-1100 was on display at a Paris airshow in the early 1970s when it experienced what is believed to be a control link failure, leading to loss of control, an inflight breakup and subsequent crash of the machine.[19]

Specifications (FH-1100)

Data from Jane's All The World's Aircraft 1966–67[20] FAA.gov[21]

General characteristics

Performance

See also

Aircraft of comparable role, configuration and era

References

Notes
  1. ↑ [1]
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  18. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  19. ↑ YouTube video of Paris airshow crash
  20. ↑ Taylor 1966, p. 242.
  21. ↑ Lua error in package.lua at line 80: module 'strict' not found.
Bibliography
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External links

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