http://www.utdallas.edu/library/coll...er/index3.html Try this site....I believe you will be impressed with the information located there.
A German aviation enthusiast did this and in gratitude he was made an Honorary Member of the Air America Association.
The reference mentions XW-TDK but suggests it was imported by Air America and operated in the Laos Air Charter Fleet and as you state was last seen derelict in Vietiane without engines circa 1972.
It cannot be overlooked that Air America for sure was operated by the CIA and perhaps the same for LAC as well.
I will make some other inquiries and see what turns up on that aspect.
The information I found on the aircraft in question is this.....
Serial number: 20763, Type: C-47-D-1, US Army number: 43-16297
During its civilian service it held the following registrations:
VH-CHB
VH-CDK
VR-HDJ
VR-SCC
VR-OAJ
9M-ANF
9V-BAM
XW-TDK (one reference noted XW-PFN as well)