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Myanma Airways Flight 635

24 Aug 1998 · near Tachilek, Myanmar (Burma)

Fokker F-27 Friendship · Controlled flight into terrain

From Yangon International Airport (RGN) to Tachileik Airport (THL)

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Event

Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
Accident
Event fatalities
36 · all aircraft and ground
Ground fatalities
Unknown
Occupants
36
Survivors
0
InjuriesFatal: death within 30 days. Serious: over 48 hours in hospital within a week, most broken bones, severe bleeding, nerve or organ damage, or serious burns. Minor: anything less. Glossary
Unknown
OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
Airline

Fokker F-27 Friendship

Aircraft type
Fokker F-27
Category
Airplane · from aircraft type
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
XY-AEN
Onboard fatalities
36
Route
From Yangon International Airport (RGN)To Tachileik Airport (THL)

Approximate · Coordinates from the Wikipedia article; not checked against an investigation report.

From the Wikipedia article

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 (registration XY-AEN) 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. The search and rescue team later found the wreckage of the aircraft. The accident killed all 36 passengers and crew.

Flight

Flight UB635 took off at around 08:30 UTC, flying from Myanmar's former capital Yangon to Tachileik, a town located near the Myanmar-Thailand border in eastern Myanmar with 36 passengers and crew members. The passengers were mostly members of the Myanmar military. It was a two-hour flight and it was scheduled to land in Tachilek Airport at 02:00 UTC. The flight however missed its schedule and was declared missing by authorities.

Text from the Wikipedia article “Myanma Airways Flight 635” (revision 1349936742, retrieved 2026-09-18) by its authors, under CC BY-SA 4.0. Extracted as plain text: references, tables, images and some sections are left out. Read the article

Sources

Wikipedia article: Myanma Airways Flight 635
Article
Myanma Airways Flight 635
Revision
1349936742 · 2026-04-19 · retrieved 2026-09-18
Wikidata
Q6946731
Licence
Text CC BY-SA 4.0, by the article's authors; Wikidata CC0; town positions GeoNames (CC BY 4.0)
Where each value comes from
Record
Wikipedia article "Myanma Airways Flight 635" (page 26187782, revision 1349936742)
Date
Wikipedia infobox: date
Place and country
Wikipedia infobox: site
Map position
Wikipedia article coordinates
Aircraft, operator and route
Wikipedia infobox: aircraft type, registration, operator, origin and destination; route airports from the linked airport articles' Wikidata codes (OurAirports)
Operation
flight number in the article title
Fatalities
Wikipedia infobox: aircraft fatalities
Ground fatalities
not stated in the Wikipedia infobox
Summary
Wikipedia infobox: summary
Source notes (1)
  • Wikipedia · Facts from the Wikipedia article's infobox and coordinates, not checked against an investigation report. Independent review pending.