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Single-Engine Aircraft Crashes in Mae Yen Jungle; Wreckage Found Months Later (HS-SGB)

Mae Yen, ThailandFlight

On August 8, 1953, a Noorduyn Norseman (registration HS-SGB) operated by Siamese Airways was involved in an aviation accident near Mae Yen, Thailand in flight. 6 people were killed. Investigators recorded the probable cause as: It is believed that the pilot was flying at an insufficient speed which caused the aircraft to stall and to crash. This was probably due to a lack of vigilance and concentration. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 5 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 2026-06-12Data APIEditorial standards

A single-engine aircraft flying low near Mae Yen hit trees and crashed into a jungle. The aircraft and its six occupants were missing for months until walkers found the wreckage in October 1953.

Overview

A single-engine aircraft flying at low height collided with trees and crashed in a jungle near Mae Yen. The aircraft failed to arrive at its destination, Mae Hong Son, prompting search and rescue operations.

Search and Rescue

Search and rescue (SAR) operations were conducted but were suspended a few days later after no trace of the aircraft or its six occupants was found.

Wreckage Discovery

The wreckage was eventually located by walkers in October 1953 in an isolated area.

Investigation

The official investigation determined that the pilot was likely flying at an insufficient speed, which caused the aircraft to stall and crash. The report noted that this was probably due to a lack of vigilance and concentration.

Probable cause

It is believed that the pilot was flying at an insufficient speed which caused the aircraft to stall and to crash. This was probably due to a lack of vigilance and concentration.

Related events

Same operator

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