The Super Courier, a more powerful derivative, was used by the US Air Force from 1958 onward, by the US Army Special Forces in the 1960s and 1970s and by Air America during the Vietnam War as the U-10. In 1957, a "Strato Courier" set an altitude record over Mexico City, Mexico at 31,200 ft powered by a geared Lycoming GSO-480-A1A5 (340 hp), only one was built. Jaars Helio Courier has been a frequent airshow performer at EAA AirVenture Oshkosh for decades, displaying its slow flight capability in front of thousands and serving as a drop plane for the Liberty Parachute Team. The first production Courier (Serial Number 001, dubbed "Ol' Number 1") C-G001 was previously owned and operated by JAARS as N242B until 2010. The first one was certified in July 1954 and powered by the 260 hp Lycoming GO-435-C2B2. With a minimum-control speed of around 28 mph, the Courier is perfectly suited for confined off-airport operations. Richard Bach, author of Jonathan Livingston Seagull, and Lynn Garrison with Helio Courier G-ARMU used for Von Richthofen and Brown, 1970 Helios are also capable of being float equipped, both straight and amphibious floats being offered.Ī USAF U-10B from the 5th Special Operations Squadron in Vietnam, 1969. A tri-gear model was produced, but is unsuitable for unprepared rough terrain. The Helio has its main gear placement far forward of the cabin enabling hard braking on unprepared landing areas. The design of the Helio features a large vertical tail surface and rudder for control at very low flight speeds, however, on conventional geared aircraft (taildraggers), the airplane tends to be cross-wind sensitive, thus a cross-wind gear option is available allowing the main tires to caster left or right 20 degrees, increasing the cross-wind component to 25 miles per hour (40 km/h). The Helio Courier could maintain control at speeds as low as 27 miles per hour (43 km/h). In conjunction with the leading-edge slats, 74% of the trailing edge incorporates high lift slotted flaps, together with interrupter blades atop each wing when roll control is lost at very low airspeed, allows for a tight turning radius. The slats contribute to the Helio's outstanding short takeoff and landing (STOL) capability, and allow for stall/spin-proof controllable flight. The wings are of conventional aluminum construction, but feature Handley-Page leading edge slats that deploy automatically when the aircraft's airspeed falls below a certain value (55 miles per hour (89 km/h)–60 miles per hour (97 km/h)). The all-aluminum clad airframe features a welded 15G steel-tube center section fuselage, with shoulder harnesses that protect the occupants in an emergency. Otto went on to design the Helio Courier. Koppen, designed aircraft for the Stout Metal Airplane Division of the Ford Motor Company including the Ford Flivver,an aircraft that was supposed to be mass-produced by Ford.
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