Homemade Helicopter to Be Used in Civil AviationChina's homemade helicopters will be used for the first time in civil aviation after it went through a high-standard airworthiness flight test recently.The test, called "flying on the verge of death", requires the aircraft to undergo high-risk flight trials. Experts say that the aircraft created a breakthrough in China's airworthiness flight test. The helicopter has created several records during the trial flight, with flight duration of five hours at normal temperature, a two-hour flight at 38 degrees Celsius below zero and a temperature difference between 6 degrees Centigrade and 43 degrees Centigrade minus. It also managed 1,332 km fault-free flight. The manufacture of the helicopter began in 1991 by Changhe Company in Jindezhen of east China's Jiangxi Province. It is able to fly 598 km at a speed of 240 km per hour. The helicopter can be used for many purposes, such as coaching, reconnaissance, communication, rescue, smuggle suppression and scientific research. |
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