This Trident 1E was first introduced by China from Pakistan in 1969, one of the most advanced passenger aircraft in China's civil aviation and air force at that time, first in service with Pakistan International Airlines (PIA), registration number AP-ATL, in 1969 because PIA replaced a new aircraft and sold in China, changed registration number 256 (because this is a special aircraft of the Chinese People's Liberation Army, not commercial flights, registration number is simpler than civil aviation) The Trident 256 was eventually destroyed in the 913 incident The 913 Incident was an incident in which the CCP general Lin Biao fled treason on September 13, 1971 after the armed coup plot was exposed, and the plane was crash on the way, and he was flying on the Chinese People's Liberation Army 256 Trident plane when he defected
aircraft photo