Claim: On 15 August 1976 SAETA Flight 232 was suspected to be hijacked, and then in October 2002, the plane was eventually found at 5,310m by two members of the Nuevos Horizontes mountaineering club.
Evidence: A mid-route crash on the stratovolcano Chimborazo was considered to be most probable, though some speculated a guerrilla hijacking. On 15 August 1976, SAETA Flight 232 en route from Quito, Ecuador, to Cuenca was reported missing while in flight. The plane was eventually found at 5,310m in October 2002 by two members of the Nuevos Horizontes mountaineering club, Pablo Chiquiza and Flavio Armas, while exploring a new route to the summit of Chimborazo via the Garcia Moreno Glacier. 
SAETA Flight 232 15 August 1976 Suspected hijack