Piper Twin Comanche
| PA-30 Twin Comanche | |
|---|---|
 |
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| 1965 model Piper Turbo Twin Comanche with deicing boots installed | |
| Role | Cabin monoplane |
| Manufacturer | Piper Aircraft |
| First flight | November 7, 1962 |
| Number built | 2,142 |
The Piper PA-30 Twin Comanche is an American twin-engined cabin monoplane designed and built by Piper Aircraft. It was a twin-engined development of the PA-24 Comanche single-engined aircraft. A variant with counter-rotating propellers was designated the Piper PA-39 Twin Comanche C/R.
The Twin Comanche was designed to replace the Piper Apache in the company's lineup of products. The Twin Comanche was developed from the single-engined Comanche by Ed Swearingen who at the time operated a facility that specialized in the modification of production aircraft. The normally aspirated aircraft was equipped with two 4-cylinder 160 hp (120 kW) Lycoming IO-320-B1A fuel injected engines, but 200 hp (150 kW) engines were available as a modification by Miller Aviation. A version with turbocharged engines for higher altitude flight was also developed, using IO-320-C1A engines of the same nominal power. All Twin Comanche engines have long times between overhaul (2000 hours for the B1A, 1800 for the IO-320-C1A) and have developed a reputation for reliability. The PA-39 was a version with counter-rotating engines (to eliminate the critical engine) that replaced the PA-30 in the early 1970s. The Twin Comanche was produced on the same Lock Haven, Pennsylvania production line as its single-engined cousin; production ceased when the factory was flooded in 1972. Piper chose at that time to focus on its equally popular Cherokee 140/180/235/Arrow line, manufactured in Florida, and its highly popular twin-engined Seneca, which is essentially a Twin Cherokee Six. The Piper PA-40 Arapaho had been scheduled to replace the PA-39 in the 1973-4 timeframe. Three were manufactured, and the aircraft was already fully certified when the decision was made not to proceed with the manufacture. One of the three Arapahos was destroyed in a flat spin accident in 1973; the test pilot, Clay Lacy, successfully escaped. One was scrapped by Piper and none remain registered with the Federal Aviation Administration as of May 2016.
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