Martin 2-0-2A at the Aviation Hall of Fame Museum

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Martin 2-0-2A at the Aviation Hall of Fame Museum (Birds Eye)
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By kjfitz @ 2007-09-11 10:23:34
The Martin 2-0-2 was one of the first of the modern airliners. The twin-engined piston aircraft was designed and built by the Glenn L. Martin Company. Glenn Martin, president of the company, intended that the Model 202 would be a replacement for the DC-3. It was also known as the "Martin Executive".

The first flight of the Model 2-0-2 was in November 1946. Full civilian certification was gained in August 1947. This was several months before competing aircraft types. The total production of 2-0-2's and 2-0-2a's (the commercial designations) was about 50 aircraft.

The 2-0-2A was a twin engine commercial transport flown by Trans World Airlines. 21 were built with the first flying in 1947.
The aircraft had a top speed of 275 miles per hour, was designed to carry 40 passengers and a flight crew of 3 (pilot, copilot/navigator/radio operator and flight steward). Its maximum range was 1,550 miles.

The aircraft was non-pressurized but was considered a long range airliner. A fatal crash in 1948 revealed a serious structural problem in the wings. Structural metal fatigue was the problem in a major wing spar. Alloy 7075-T6 was used, which is susceptible to stress-corrosion cracking and low toughness. The airliner was grounded and modifications were made. The wing components were redesigned and the engines replaced. The changed type was designated the Martin 2-0-2A.
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