1601

On June 4, 1980 at 12:00 AM, 1601 experienced a crash involving Pilatus PC-6 (Porter & Turbo Porter), operated by Royal Thai Police, with the event recorded near Umphang Tak (<U+0E15><U+0E32><U+0E01>).

The flight was categorized as survey / patrol / reconnaissance and the reported phase was flight at a plain, valley crash site.

9 people were known to be on board, 9 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 1, crew fatalities: 1, passengers on board: 8, passenger fatalities: 8, other fatalities: 0.

The single engine airplane crashed in unknown circumstances near Umphang, killing all nine occupants.

Aircraft reference details include registration 1601, MSN 2030, year of manufacture 1969.