- Gu Ge ascribes accident reason to systematic error.
- Accident reason: The plane falls in the harsh weather condition of nightly strong flatus, with enter to 23 runway to beacon and range finder completely land nearly.
- Had introduced characteristics and operating priciple of double eccentric butterfly valve,and had analyzed appeared accident reasons in use,and had raised improved structure methods.
- The Faulting record of power system has become an important evidence for the analyzing of accident reason, dealing with accident rapidly, especially analyzing the relay protection device's behavior.
- I saw the whole accident with my own eyes.