UH-1 Helicopter Support?
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UH-1 Helicopter Specifications

Since the XH-40 prototype’s first flight on 22 October 1956 more than 16,000 helicopters based on Bell Helicopter’s Model 204 and Model 205 design have been constructed. Almost 60 years later, many of these aircraft remain in active service.

UH-1H Iroquois "Huey" Helicopter

With the success of the Bell Model 204 design a need was identified for a larger and more powerful version of this helicopter. The result was the Model 205 with a lengthened fuselage that accommodated 12 to 14 troops and a larger main rotor blade system. The Model 205 prototype first flew in 1961 and deliveries as the UH-1D started in August 1963.

An upgraded 1,400 shp (1044 kW) T53-L-13 engine was added to create the UH-1H model, most UH-1D aircraft eventually being converted. The UH-1H is the most common example of the Bell Model 205 helicopter.

UH-1HP "Huey II" Helicopter

The lasting success of the UH-1H has led to the design of upgrades to improve the performance and capability of the type. One of the more common upgrades is the Bell Helicopter UH-1HP Huey II.

Introduced in the early 1990’s, the Huey II upgrade adds a 1,800 shp (1344 kW) Honeywell T53-L-703 engine. The kit upgrades the drive train with Model 212 / UH-1N components including a 1,290 shp (960 kW) transmission. The conversion increases the gross external weight of a UH-1H from 9,500 lbs to 10,500 lbs, about 600 lbs greater capacity than a standard UH-1H helicopter.

UH-1N Iroquois "Twin Huey" Helicopter

Also known as the “Twin Two-Twelve” and “Twin Huey” the UH-1N started its development in 1968 with a Canadian government contract to develop a twin-engine variant of the UH-1 helicopter for the Canadian armed services.

The UH-1N uses a Pratt & Whitney PT6T-3 (military variant is the T400-CP-400) powerplant instead of the Honeywell (Lycoming) T53 engine typically used on the single engine types like the UH-1H. The commercial variant is the Bell Model 212.

UH-1B Iroquois "Huey" Helicopter

The Bell Model 204 was the leading design for a US Army competition in the 1950’s to provide a helicopter capable of medical evacuations as well as instrument flight training. Entering into production in the late 1950’s the HU-1A was quickly revised into the HU-1B with larger main rotor blade system and a larger cabin. The powerplant was also upgraded from the T53-L-1 turboshaft engine to a 960 shp (716 kW) T53-L-5 engine and later an 1,100 shp (820 kW) T53-L-11 engine. The helicopter designation HU-1 was revised in 1962 to UH-1.

A number of variants have been created from the Model 204, including: UH-1C which superseded the UH-1B design, UH-1E for the USMC, TH-1F and UH-1F for the USAF using a General Electric T58-GE-3 engine, TH-1L and UH-1L for the US Navy using the upgraded T53-L-13 engine, and the UH-1M for the US Army. Agusta and Fuji both produced variants under license from Bell.

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24/7 UH-1 "Huey" Helicopter Spare Parts Components Turbine Engine Support

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Spare Parts

Over 7,000 part numbers for the UH-1 and T53 engine in-stock.

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Overhauled and core T53 engines in-stock. T53 commercial and military parts available.


UH-1 airframes and fuselages for projects and parts aircraft.


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Component and Engine maintenance and repair solutions.

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We support Foreign Military Sales & Direct Commercial Sales.

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Technical support and publications available.

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We purchase and trade helicopters, turbine engines, components, and whole inventories. Worldwide within 48-hours of inquiry. Click here to learn more.
We can supply OEM, PMA, and Refurbished parts to customer spec.
We can provide technical support and documention:
  • TM 55-1520-210 CL - Operator's Checklist
  • TM 55-1520-210-10 - Operator's Manual
  • TM 55-1520-242-MTF - Maintenance Test Flight
  • TM 55-1520-210-23 series - AVUM/AVIM Maintenance Manual
  • TM 55-1520-210-23P series - AVUM/AVIM/Depot Parts and Special Tools
  • TM 55-1520-210-PMD - Preventive Maintenance Daily Checklist
  • TM 55-1520-210-PM - Phased Maintenance Checklist

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Dakota Air Parts Intl., Inc. is an aerospace and defense logistics corporation headquartered in Fargo, North Dakota. Dakota Air Parts specializes in the buying, selling and support of a variety of rotor-wing and fixed wing aircraft, turbine engines, and parts - OEM & aftermarket.

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  • Mailing Address: 1801 23rd Ave N Suite 119, Fargo, ND 58102, USA
  • Shipping Address: 3600 39th St. S, Fargo, ND 58104, USA

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