Investigation Summary
Flight TFT209 departed Suvarnabhumi Airport at 14:46 local time. Approximately ten minutes into the flight, while climbing through 5,000 feet, the aircraft lost contact with air traffic control. Witnesses on the ground reported seeing the aircraft dive steeply into a muddy mangrove forest in the Bang Pakong district. The impact was so severe that the aircraft was largely buried in the soft mud, requiring heavy machinery and several days of excavation to recover wreckage and remains. Preliminary data suggests a sudden loss of control, but the absence of a Flight Data Recorder (FDR) or Cockpit Voice Recorder (CVR)—which are not required for this aircraft class in Thailand—has complicated the initial phase of the investigation.
Final Conclusions
The investigation by the Aircraft Accident Investigation Committee (AAIC) of Thailand is ongoing. Early focus areas include potential engine failure, flight control malfunctions, or pilot incapacitation. The high-velocity vertical impact suggests a significant loss of control rather than an attempted forced landing.
Video Analysis
No video analysis linked for this case file yet.
Systems & Failure Modes
Pratt & Whitney Canada PT6A-114A
The single turboprop engine powering the Cessna 208B; investigators are examining the turbine for signs of power at impact.
Flight Control Surfaces
The elevator and trim systems are under scrutiny to determine if a mechanical failure led to the steep dive.
Interesting Facts
- 01The aircraft was a 17-year-old Cessna 208B Grand Caravan.
- 02The flight was a charter service for a luxury resort on Ko Mai Si.
- 03The crash site was located approximately 40 kilometers southeast of the departure airport.
- 04The aircraft was not equipped with a black box (FDR/CVR) as it was not legally required for this aircraft type.
- 05All 9 people on board (5 passengers, 2 pilots, and 2 flight attendants) perished.
Safety Actions & Advisories
Fleet Inspection
Thai Flying Service was ordered to conduct immediate safety inspections on its remaining Cessna 208 fleet following the accident.