Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (2024)

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The Hughes OH-6 Cayuse is a single-engine helicopter developed by Hughes Helicopter fitted with a four-bladed main rotor. It is used for personnel transport, escort and attack operations, and as a light observation helicopter. It was produced since 1965 and has been in service with its primary user, the United States Army.

Table of Contents
  • Specifications
  • Photo Gallery
  • Description
Manufacturer:
McDonnell Douglas
Country:
United States
Manufactured:
1965 to: Present
ICAO:
OH6A
Price:
US$.02 million (1966)
  • Performance
  • Weights
  • Dimensions
Avionics:
Engine:
1x Allison T63-A-5A
Turboshaft
Power:
317 horsepower
Max Cruise Speed:
130 knots
241 Km/h
Approach Speed (Vref):
Travel range:
330 Nautical Miles
611 Kilometers
Fuel Economy:
Service Ceiling:
15,800 feet
Rate of Climb:
2067 feet / minute
10.50metre / second
Take Off Distance:
Landing Distance:
Max Take Off Weight:
1,610 Kg
3,549 lbs
Max Landing Weight:
1,440 Kg
3,175 lbs
Max Payload:
713 Kg
1,572 lbs
Fuel Tank Capacity:
62 gallon
233 litre
Baggage Volume:
Seats - Economy / General:
2 seats
Seats - Business Class:
Seats - First Class:
Cabin Height:
1.5 metre - 4.92 feet
Cabin Width:
1.3 metre - 4.27 feet
Cabin Length:
2.4 metre - 7.87 feet
Exterior Length:
9.4 metre - 30.84 feet
Tail height:
Fuselage Diameter:
1.45 metre - 4.76 feet
Wing Span / Rotor Diameter:
8.03 metre - 26.34 feet
Wing Tips:
No Winglets

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Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (1)

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (2)

Hughes OH 6A Cayuse

credit: Steve Lynes

Hughes OH 6A Cayuse

credit: Steve Lynes

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (3)

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (4)

credit: JGSDF

JGSDF OH 6D

credit: JGSDF

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (5)

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (6)

Hughes OH 6A.

credit: airwolfhound

Hughes OH 6A.

credit: airwolfhound

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (7)

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (8)

Hughes OH 6 Cayuse aka. Loach

credit: S. Rae

Hughes OH 6 Cayuse aka. Loach

credit: S. Rae

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (9)

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (10)

Hughes OH 6A

credit: airwolfhound

Hughes OH 6A

credit: airwolfhound

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (11)

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (12)

Hughes OH 6 Cayuse Loach

credit: SoulRider.222

Hughes OH 6 Cayuse Loach

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (13)

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (14)

Hughes OH 6 Cayuse

credit: D. Miller

Hughes OH 6 Cayuse

credit: D. Miller

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (15)

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (16)

Hughes Helicopters OH 6 Cayuse co*ckpit

credit: Randen Pederson

Hughes Helicopters OH 6 Cayuse co*ckpit

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (17)

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (18)

Hughes OH 6A Cayuse.

credit: Alan Wilson

Hughes OH 6A Cayuse.

credit: Alan Wilson

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (19)

Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (20)

N12964 Hughes OH 6A

credit: Paul Daly

N12964 Hughes OH 6A

credit: Paul Daly

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  2. Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (22)

  3. Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (23)

  4. Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (24)

  5. Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (25)

  6. Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (26)

  7. Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (27)

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On October 14, 1960, a request for proposals (RFP) for Technical Specification 153 from the United States Navy Bureau of Weapons was issued for a Light Observation Helicopter (LOH) that can perform several roles such as personnel transport, escort and attack missions, casualty evacuation and observation. In January 1961, twelve aircraft manufacturers had responded, and Hughes Tool Co. Aircraft Division presented the Model 369.

On February 27, 1963, the Model 369 conducted its maiden flight. In 1962, the original designation YHO-6A was changed to YOH-6A when the United States Department of Defense made a Joint Electronics Type Designation System for all aircraft. Five aircraft were built, powered by an Allison T63-A-5A rated at 252 shaft horsepower. These aircraft were sent to the United States Army at Fort Rucker, Alabama to contest in opposition to the other ten prototype aircraft of Bell and Fairchild-Hiller. Hughes won against other competing companies and received a contract from the Army for production to start in May 1965. 714 initial orders were placed, then afterward raised to 1,300 with a possibility to increase to 114 more. In 1966, the OH-6A entered service.

The OH-6A has an external length of 9.4 meters, a height of 2.47 meters to the top of the rotor hub, and a diameter of 1.45 meters. It can seat two passengers or four on the floor with rear seats folded or removed.

A single Allison T63-A-5A turboshaft powered the rotorcraft. It has a maximum thrust of 317 shaft horsepower or 252.2 shaft horsepower for takeoff and 214.5 shaft horsepower for maximum continuous. The main rotor diameter is 8.03 meters and the main rotor area is 50.60 square meters. It can fly up to 15,800 feet and can climb up to 2,067 feet per minute. The maximum cruise speed at sea level is 130 knots and the travel range is 330 nautical miles at 5,000 feet. The maximum takeoff and landing weights are 1610 kg and 1440 kg respectively.

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Hughes OH-6 Cayuse - Price, Specs, Photo Gallery, History - Aero Corner (2024)

FAQs

How fast is the Hughes Oh 6 Cayuse? ›

The Cayuse set 23 world records in the 1960's, including a 2,213 mile non‑stop flight from California to Florida, a sustained altitude record of 28,218 feet, and a speed record of 172 mph.

How was OH-6 used in Vietnam? ›

It was utilized primarily in service with the US Army in Vietnam and used extensively for enemy observation, one of the most dangerous helicopter assignments during the war. The “Loach” was also engaged in joint air mobility attack missions.

What is the most affordable helicopter? ›

Unlocking the Skies: Top 10 Affordable Helicopters for Aviation Enthusiasts
  • Guimbal Cabri G2. At the forefront of affordability and safety stands the Guimbal Cabri G2. ...
  • Robinson R22. ...
  • Hummingbird 300L. ...
  • Safari 400. ...
  • Heliwhale Afalina. ...
  • Phoenix A600 Turbo. ...
  • Brantly B-2. ...
  • Helicycle.
Feb 29, 2024

How many Loach helicopters were shot down in Vietnam? ›

A sobering statistic: Out of 1,419 Loaches built, 842 were destroyed in Vietnam, most shot down and many others succumbing to crashes resulting from low-level flying. In contrast, of the nearly 1,100 Cobras delivered to the Army, 300 were lost.

What is the fastest helicopter of all time? ›

In 2010, the Sikorsky X2 shattered the existing helicopter speed record by reaching a mind-boggling speed of 250 knots (287 mph/463 km/h) during a test flight. This remarkable achievement earned the X2 the title of the world's fastest helicopter, a distinction it still holds to this day.

What is the nickname of the Hughes Oh-6 Cayuse? ›

Nicknamed "Loach", after the acronym LOH for Light Observation Helicopter, the nimble OH-6 Cayuse, built by Hughes Helicopters performed missions that bigger, slower and louder helicopters could not.

How many Hueys were shot down in Vietnam? ›

Long before the Vietnam conflict had ended, the “Huey” (its original Army designation was HU-1A, for Helicopter, Utility, Model 1A) was probably the most recognizable helicopter in the world because of its appearances on nightly newscasts. More than 5,000 Hueys operated in Vietnam; around 2,500 were lost to enemy fire.

Does the Army still fly Hueys? ›

The UH-1H was exported to many countries and is still in service in some of them. However, the Huey was gradually withdrawn from US service, being replaced by the UH-60 Black Hawk and its variants. However,the Marines still operate a heavily modernized variant, the Bell UH-1Y Venom.

Can a helicopter land in my backyard? ›

The FAA doesn't prohibit helicopters from operating in most places, so you should be able to land one in your backyard if you can do so safely. And no law says you have to build a helipad to land.

What is the safest helicopter to fly? ›

Reliably smooth and efficient, the Bell 206L-3 is among the safest and most popular turbine helicopters in the world. With capabilities originally designed for military use, it's primarily utilized today for commercial and corporate operations and is an ideal choice for business and leisure charter air travelers.

Is it cheaper to maintain a helicopter or plane? ›

Helicopters are generally more expensive to operate and purchase than standard, similarly sized fixed-wing aircraft and are generally produced in smaller quantities. Because they have so many moving parts, servicing them can be expensive. They also require a lot of fuel to keep them aloft.

What was the deadliest job in the Vietnam War? ›

The designation OH stands for “observation helicopter,” but don't let the name fool you; flying an OH-6 was the single most dangerous job in Vietnam.

What was the life expectancy of a door gunner in Vietnam? ›

Over 10% of Vietnam casualties were helicopter crew members, and most of those were the door gunners that protected the helicopter, its crew, and its transports, from their exposed position. The average lifespan of a door gunner on a Huey in Vietnam was just two weeks.

Why did they dump helicopters in Vietnam? ›

If you asking why helicopters were pushed overboard during the final Vietnam evacuation, it was because so many were flying out of Saigon and there was no room on deck to land more.

What is the fastest army helicopter? ›

The Chinook is a tandem-rotor helicopter capable of reaching speeds in excess of 170 knots, making it the fastest in the U.S. Army. It features a triple-hook cargo system, allowing it to carry heavy payloads, such as bulldozers, 155 mm M198 howitzers, or 40-foot cargo containers.

What is the fastest Air Force helicopter? ›

The CH-47F is considered the world's fastest military helicopter with a maximum speed of 315 km/hr (196 mph).

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