Fatal aircraft accident during test flight at Hua Hin Airport

6 fatalities • Hua Hin, Thailand • Takeoff (climb)

An aircraft crashed into shallow water during a local test flight at Hua Hin Airport, resulting in the deaths of all six people on board.

What happened

During a scheduled local test flight operating out of Hua Hin Airport, an aircraft experienced a catastrophic failure during its initial climb. The flight was carrying a total of six occupants, consisting of three crew members and three passengers. Shortly after departing from runway 16, the aircraft entered an uncontrolled descent. The plane subsequently impacted shallow water, leading to the total destruction of the airframe.

Findings

All six individuals on board the aircraft, including three pilots, two mechanics, and one engineer, were killed in the accident. The incident occurred during the climb phase of the flight.

Probable cause

The aircraft entered an uncontrolled descent during takeoff and subsequent climb.

Frequently asked questions

What happened in the 2025-04-25 De Havilland DHC-6 Twin Otter accident near Hua Hin, Thailand?

An aircraft crashed into shallow water during a local test flight at Hua Hin Airport, resulting in the deaths of all six people on board.

Were there any fatalities in the 2025-04-25 De Havilland DHC-6 Twin Otter accident?

The accident was fatal, resulting in 6 fatalities.

What aircraft was involved and where did it happen?

The accident on 2025-04-25 involved a De Havilland DHC-6 Twin Otter, registration 36964, operated by Royal Thai Police (Tamruat Haeng Chat), at Hua Hin, Thailand.

What was the probable cause of the accident?

The aircraft entered an uncontrolled descent during takeoff and subsequent climb.

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