Commercial aircraft fuselage narrow, powered by two engines turbofan engine installed under the wings on both sides, a Conventional freely. Tail was crowned with a circulation Peak commercial aircraft in 6 forever,348 ships and the flying up and down at present in 1 flights every 5 seconds worldwide. The airline in the use 737. Thai Airways and Thai domestic accident statistics in 0.16 times on the fly one million flights. Is the plane flying here and most of the commercial aircraft every every version of the flight, including more than 62.96 million flight and still growing.