Bell UH-1 Iroquois

In response Bell proposed an upgraded version of the UH-1B with the T58 engine installed.

The resulting UH-1F had the shorter cabin of the "Bravo" Huey, but with the longer tail boom, rotor and transmission of
the UH-1D.^{[Vous devez être inscrit et connecté pour voir ce lien]
[Vous devez être inscrit et connecté pour voir ce lien]}
Due to the Huey's configuration, Bell installed the T58 engine backwards compared to the HH-3.

The Huey's engine is behind the transmission, whereas the HH-3's engines are in front of the transmission.

Externally, the only visible differences from UH-1B were the engine exhaust, which exited to the right side of the engine and the longer tail boom.
^{[Vous devez être inscrit et connecté pour voir ce lien]}
The UH-1F was introduced into the USAF inventory on 20 February 1964.

The USAF took delivery of 119 with production ending in 1967.

Many of the aircraft served in southeast Asia with the 20th Special Operations Squadron and some were converted to the armed UH-1P configuration.
^{[Vous devez être inscrit et connecté pour voir ce lien][Vous devez être inscrit et connecté pour voir ce lien]}
In Italy, Agusta produced a similar model by re-engining the 204B with the 1,225 hp (914 kW) [Vous devez être inscrit et connecté pour voir ce lien]
(license-built T58) turboshaft, but later models used T58s.

The AB204B was exported to the military of the Netherlands, Sweden, Austria, and Switzerland.

It had a rescue hoist located at the right side of the cabin.

The last UH-1F was retired from the USAF in the early 1980s when it was replaced by the [Vous devez être inscrit et connecté pour voir ce lien]. many of these aircraft later served as forest fire fighting aircraft with various US state governments and agencies.

^{[Vous devez être inscrit et connecté pour voir ce lien]}
There was a TH-1F trainer also built for the USAF.

The first TH-1F was flown in January 1967 and deliveries ran from April to July of that year with 27 completed.

UH-1H

The UH-1H was an improved UH-1D, with the Lycoming T53-L-13 engine of 1,400 shp (1,000 kW) installed, plus the [Vous devez être inscrit et connecté pour voir ce lien] relocated from the nose to the roof, to reduce ground damage to it.

"Hotel" models were created by upgrading "Deltas" with the more powerful engine.

The first YUH-1H flew in 1966 with deliveries of production models starting in September 1967.
^{[Vous devez être inscrit et connecté pour voir ce lien][Vous devez être inscrit et connecté pour voir ce lien]}
The "Hotel" model Huey was produced in larger numbers than any other model, with 4,850 delivered to the US Army alone.^{[Vous devez être inscrit et connecté pour voir ce lien][Vous devez être inscrit et connecté pour voir ce lien]}

The "Hotel" model was widely exported and was also built under license in [Vous devez être inscrit et connecté pour voir ce lien], [Vous devez être inscrit et connecté pour voir ce lien], [Vous devez être inscrit et connecté pour voir ce lien] and [Vous devez être inscrit et connecté pour voir ce lien].

Ten were sold to Canada for use under the designation CUH-1H with the first one was delivered on 6 March 1968.

These were evaluated by the [Vous devez être inscrit et connecté pour voir ce lien] and found unsuitable for Canadian tactical use, which resulted in the
Canadian government sponsoring the development of the twin-engined version of the "Hotel", the [Vous devez être inscrit et connecté pour voir ce lien].

The ten CUH-1Hs were re-equipped for [Vous devez être inscrit et connecté pour voir ce lien] use, redesignated CH-118 and served until 1995.^{[Vous devez être inscrit et connecté pour voir ce lien]
[Vous devez être inscrit et connecté pour voir ce lien][Vous devez être inscrit et connecté pour voir ce lien]}
Bell developed a certified version of the UH-1H for the civil market.

The aircraft incorporated minor changes for safety, such as dual sliding door locks and a baggage compartment in the tailboom.

It was marketed by Bell as the [Vous devez être inscrit et connecté pour voir ce lien] and later the improved 205A-1

205A1

[Vous devez être inscrit et connecté pour voir cette image]

CH-118

[Vous devez être inscrit et connecté pour voir cette image]

The "Hotel" model Huey was also the basis for a number of sub-variants:

• HH-1H was a UH-1H equipped for base rescue duties. Thirty were delivered to the [Vous devez être inscrit et connecté pour voir ce lien] between 1970-73.^{[Vous devez être inscrit et connecté pour voir ce lien][Vous devez être inscrit et connecté pour voir ce lien]}
  
• EH-1H was a UH-1H modified under Project Quick Fix in 1976 and used as communications jamming aircraft with the US Army. Twenty-two aircraft were modified to this configuration beginning in 1976. Initial aircraft were fielded to the [Vous devez être inscrit et connecté pour voir ce lien] and the [Vous devez être inscrit et connecté pour voir ce lien]. The 82nd fielded the type during the [Vous devez être inscrit et connecté pour voir ce lien] in 1983.