Date:	Saturday 26 March 1966
Time:
Type:	Douglas C-47A-85-DL (DC-3)
Owner/operator:	Royal Thai Air Force - RTAF
Registration:	L2-18/00
MSN:	20053
Year of manufacture:	1944
Engine model:	Pratt & Whitney R-1830-92
Fatalities:	Fatalities: / Occupants: 7
Aircraft damage:	Destroyed, written off
Category:	Accident
Location:	northeastern Laos -   Laos
Phase:	En route
Nature:	Military
Departure airport:	Chiang Mai International Airport (CNX/VTCC)
Destination airport:	Udorn Royal Thai Air Force Base (UTH/VTUD)
Confidence Rating:	Information is only available from news, social media or unofficial sources

Narrative:
The aircraft was reported missing whilst en route from Chiang Mai to Udorn. It became lost and is reported to have crashed in northeastern Laos.
Flight mechanic Prapan Siri-on was released from a Vietnamese PoW camp in March 1973 and claimed the C-47 had been shot down near Quang Biu. Exact location is unclear as a place with that name could not be found.
The fate of the remaining crew is unclear.

Thai Aviation History website
The Douglas DC-1/DC-2/DC-3 - the first seventy years / J.M. Gradidge

Date/time	Contributor	Updates