Designation: TH-55A

Hughes TH-55A

Hughes TH-55A Osage

A picture of the Hughes TH-55A Osage

The Osage was first flown as the civilian Model 269 in October 1956.  It proved quite popular for training and with police and corporate owners.  In 1964, it was selected by the U.S. Army as its primary helicopter trainer and was given the designation TH-55A and the name Osage.  TH-55’s served until 1988, but they saw the most use during the Vietnam War when the Army’s need for helicopter pilots was virtually insatiable.  Nearly 800 Osages were built for the Army and many of them found their way onto the civil market after they were retired where they remain a popular light helicopter.

Wingspan 25 ft 3 in.

Rotor Diameter

Length 28 ft 11 in.

Length

Height 8 ft 2 in.

Height

Weight 1,670 (loaded)

Weight

Max. Speed 86 MPH

Maximum Speed

Service Ceiling 10,200 ft

Service Ceiling

Range 195 miles

Range

Engines One Lycoming H10-360-B1A piston engine with 180 horsepower

Engine

Crew 2

Crew


Manufacturer
Hughes

Markings
Pima Air & Space Museum, 1980

Designation
TH-55A

Serial Number
67-15418

Pima Air & Space Museum

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