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The Piper PA-30 Twin Comanche was designed as a twin-engined variant of the Piper PA-24 Comanche.A complex light twin, with retractable landing gear, seating 4 (in original models) to 6 (in later models), and cruise speeds ranging from 160–210 mph on twin 160 horsepower engines, it competed with the more-powerful Cessna 310 and Beech Baron, and later with Piper's other light twins.
It takes about 160-180 man-hours, depending on the aircraft, and is usually completed within 1–3 days at an airport hangar. A similar occurrence schedule applies to the B check as to the A check. B checks are increasingly incorporated into successive A checks, i.e. checks A-1 through A-10 complete all the B check items.
Design and development. The Tomahawk is a single-engined low-wing cantilever monoplane with a T-tail and an enclosed cabin for two. It has a fixed tricycle landing gear and is powered by a Lycoming O-235 four-cylinder piston engine with a twin-bladed tractor propeller. The Tomahawk has two front-hinged doors for access to the cabin.
1939. Developed from. Howard DGA-12. A highly-modified, experimental DGA-15 equipped with an Alvis Leonides engine. The Howard DGA-15 is a single-engine civil aircraft produced in the United States by the Howard Aircraft Corporation from 1939 to 1944. After the United States' entry into World War II, it was built in large numbers for the United ...
A type certificate (TC) is issued to signify the airworthiness of the approved design or "type" of an aircraft to be manufactured. The TC is issued by a regulatory authority, and once issued, the design cannot be changed unless at least part of the process for certification is repeated to cover the changes. The TC reflects a determination made ...
In 1955, the Civil Aeronautics Board separated the parts authority out of the airworthiness standards, and placed it in a more general location so that one standard would apply to replacement and modification parts for all different forms of aircraft. [11] In 1965 CAR 1.55 became Federal Aviation Regulation section 21.303. [12]
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Aircraft division. The Naval Air Warfare Center Aircraft Division (NAWCAD) [3] conducts research, development, test, evaluation and sustainment for all United States Navy and United States Marine Corps aircraft and aircraft systems. It operates a test wing and ranges, [4] facilities, laboratories [5] and aircraft in support of military ...