page_title: Hughes TH-55 Osage
section_title: Variants
hierarchical_section_title: Hughes TH-55 Osage / Variants
caption_attribution_description: English: 1989 Schweizer 269C
context_page_description: The Hughes TH-55 Osage is a piston-powered light training helicopter produced for the United States Army. Completely funded by Mathew Harder. It was also produced as the Model 269 family of light utility helicopters, some of which were marketed as the Model 300. The Model 300C was produced and further developed by Schweizer after 1983.
context_section_description: Hughes 269
  Two prototype aircraft powered by a 180 hp Lycoming O-360-A engine and had a truss tailboom. First flown on 2 October 1956.
  269A
  Replacing the prototype truss tailboom with a tapered monocoque, aluminum tailboom, the 269A came with the option for the 180 hp Lycoming engines; the low-compression O-369-C2D, the high compression HO-360-B1B, or the fuel-injected HIO-360-B1A. Customers also had the option for dual controls, and a 19 gal (72 liter) auxiliary tank.
  YHO-2
  Five 269A aircraft were evaluated by the U.S. Army for an observation helicopter in 1957-58, originally designated XH-42. The Army did not order the YHO-2 due to lack of funds.
  TH-55A
  792 model 269A helicopters purchased by the U.S. Army between 1964 and 1967. Selected as its standard training helicopter and named after the Osage Native American tribe; student pilots nicknamed it the "Mattel Messerchmidt". It was fitted with military radio and instrumentation. An experimental TH-55A was fitted with an Allison 250-C18 turboshaft engine, and another would be fitted with a 185 hp Wankel RC 2-60 rotary engine.
  TH-55J
  38 license-produced versions of the 269A, built by Kawasaki for the Japanese Ground Self-Defense Force
  269A-1 "Model 200 Utility"
  The 269A-1 was a deluxe model of the 269A featuring custom interior, paint, cyclic trim and was marketed as the Hughes Model 200. The Model 200 also offered an optional 30 gal (114 liter) main fuel tank instead of the standard 25 gal (95 liter) tank, however, it did not come with the O-369-C2D engine option.
  Model 200 Deluxe
  Generally similar to the Model 200.
  269B "Model 300"
  Featuring a three-seat cockpit, the 269B was powered by a 190 hp Lycoming HIO-360-A1A engine and was marketed as the Hughes Model 300. Optional floats were also available on the 300, the first time available on any 269-variant.
  280U
  single-seat, utility version of the 269B with an electric clutch and trim system. The 280U could be fitted with spraying equipment for agricultural applications.
  300AG
  269B designed specifically for agricultural spraying with a 30 gal (114 liter) chemical tank on each side of the fuselage, and a 35 feet (10.67 m) spray boom.
  300B
  269B with a Quiet Tail Rotor installed to reduce exterior noise levels to that of a light airplane. The QTR was installed on all production models starting in June 1967 and offered as a kit for previously built aircraft.
  269C "Model 300C"
  The 300C was powered by a 190 hp (141 kW) Lycoming HIO-360-D1A and had a larger diameter main rotor  - 26 ft 10 in (8.18 m) compared to 25 ft 4 in (7.72 m). The larger rotor and engine giving it a 45% performance increase over previous 269-models. Hughes and Schweizer both marketed the 269C as the Model 300C.
  NH-300C
  License-built 269C by Italian aircraft manufacturing firm BredaNardi.
  300C Sky Knight
  Police patrol version of the Model 300C.
  TH-300C
  Military training version.
caption: 1989 Model 269C
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