It has an NDB and VOR.As I understand it the latter is still on test.
For my understanding the VOR was operable, the NOTAM is from the days when the PAK Vor was installed 11 years ago.
E) NEW PAKSE VOR/DME 115.0/CH97X ON TEST.
CREATED: 06 Nov 2002 05:50:00
SOURCE: VLVTYNYX
It appears he was trying to creep in under the weather using GPS along the Mekong when he hit an island
The skid marks from the initial impact are on the western Mekong riverbank about 2 NM south west heading to the north east. Thats pretty much exactly in the MAP path.