Propellers: 2-bladed Hartzell, 7 ft 0 in (2.13 m) diameter.Aderholt, a US Air Force detailee with the CIA, had supervised the development of the Helio Courier while serving with the Agencys air branch. Powerplant: 2 × Lycoming O-540-A2B or -C2C air-cooled flat-six, 250 hp (190 kW) each At the same time that Air America was trying to develop a rotary-wing capability in Laos, the company also was taking steps to introduce STOL aircraft into the country.It can be powered by a variety of engines including the OK CUB. The Courier has a span of 35 inches and an overall length of 22 inches.
HELIO COURIER PDF
Max takeoff weight: 5,850 lb (2,654 kg) Shop our inventory for Helio Aircraft: Helio Courier, Helio Stallion, Helio Twin Courier, Helio Ratler by Books Llc with fast free shipping on every used. PDF Bitmap Wood Plans from American Companies.Specifications (U-5A Twin Courier) ĭata from Jane's All The World's Aircraft 1965-66 Furthermore, fully automatic full-span, leading-edge slats were fitted along with high-lift flaps. One was reported to have been evaluated by US Army Special Forces. Thus, the redesign mentioned above.) Only seven examples were built, these receiving the United States Armed Forces designation U-5A. (The Twin Courier met FAA requirements marginally and was certificated to meet immediate needs for service in Vietnam, on the understanding that the design would not be marketed commercially. The Twin Courier could seat six and first flew in April 1960, being awarded FAA certification on June 11, 1963. The aircraft structure of the Helio Stallion, a single-engine turboprop version of the more successful Helio Courier, was based on the design of the Twin Courier. The company ran out of money and the project was terminated. In modern times the Courier has been produced in limited batches and is reputedly currently close to being produced again. Lynn Bollinger of Harvard, the Helio Courier was designed to be one of the safest. Helio Courier Helio Courier The Helio Courier was produced in several different versions from 1954. In 1967 or 68, work was started on a redesign of the Twin Courier in a tricycle-gear configuration for the commercial market, since many firms which desired STOL capability had regulations which required multi-engine aircraft. Developed through collaboration between Dr. This was a tail-wheel design, so the vertical component of propeller thrust assisted STOL take-off performance from rough fields. With the engines mounted in this manner, lateral and over-the-nose visibility were much improved while the propellers were kept clear of cabin doors and away from possible debris damage during rough field operations. Known by Helio as the model H-500 this STOL aircraft mounted twin Lycoming engines on top of the high-set wing, close to the fuselage.
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