Myanma Airways Flight 635 was a scheduled domestic passenger flight from Yangon to Tachileik in eastern Myanmar that was operated by a Fokker F-27 Friendship owned by Myanmar's flag carrier Myanma Airways. On 24 August 1998, during its descent to Tachileik the flight went missing over a hill approximately two miles (3.2 km) from the airport. Search and rescue team later found the wreckage of the aircraft. The accident killed all 36 passengers and crew.

The Fokker F27 Friendship is a turboprop airliner developed and manufactured by the Dutch aircraft manufacturer Fokker. It is the most numerous post-war aircraft manufactured in the Netherlands; the F27 was also one of the most successful European airliners of its era.