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Missing C-47 En Route from Chiang Mai to Udorn (L2-18/00)

Laos, LaosFlight

On March 26, 1966, a Douglas C-47 Skytrain (DC-3) (registration L2-18/00) operated by Royal Thai Air Force - Kong Thap Akat Thai was involved in an aviation accident near Laos, Laos in flight. No fatalities were reported. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 8 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 C-47 reported missing while flying from Chiang Mai to Udorn crashed in northeastern Laos. A former flight mechanic claimed it was shot down near Quang Biu, but the fate of the remaining crew is unclear.

Incident Overview and Route Details The aircraft was reported missing while en route from Chiang Mai to Udorn. According to the available report, the aircraft became lost and is reported to have crashed in northeastern Laos. ## Crew Accounts and Fate Flight mechanic Prapan Siri-on, who was released from a Vietnamese PoW camp in March 1973, claimed that the C-47 had been shot down near Quang Biu. The fate of the remaining crew members is unclear. ## Source Attribution The information is based on the Aviation Safety Network (ASN) source provided in the official accident investigation material.

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