1969 Korean Air Lines YS-11 hijacking
The 1969 Korean Air Lines YS-11 hijacking occurred on 11 December 1969. The aircraft, a Korean Air Lines NAMC YS-11 flying a domestic route from Gangneung Airbase in Gangneung, Gangwon, South Korea to Gimpo International Airport in Seoul, was hijacked at 12:25 PM by North Korean agent Cho Ch'ang-hŭi (조창희).
Source: Wikipedia — 1969 Korean Air Lines YS-11 hijacking (CC BY-SA 4.0)