6 fatalities

2025-04-25: De Havilland DHC-6 Twin Otter (36964) — Royal Thai Police (Tamruat Haeng Chat) — Hua Hin, Thailand

Hua Hin, ThailandTakeoff (climb)

On April 25, 2025, a De Havilland DHC-6 Twin Otter (registration 36964) operated by Royal Thai Police (Tamruat Haeng Chat) was involved in an aviation accident near Hua Hin, Thailand during takeoff. 6 people were killed. Investigators recorded the probable cause as: The right engine failed during initial climb. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 3 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary reportUpdated 1781188517Data APIEditorial standards

A test flight at Hua Hin Airport ended in tragedy when the aircraft experienced an uncontrolled descent and crashed into shallow water shortly after takeoff, resulting in the destruction of the aircraft and the deaths of all six occupants.

Accident Overview

A local test flight operating from Hua Hin Airport ended in a fatal accident shortly after departure. The aircraft, carrying three passengers and three crew members, was engaged in a test flight. Following takeoff from runway 16, while climbing, the aircraft entered an uncontrolled descent and subsequently crashed into shallow water.

Flight and Impact

The accident occurred after the aircraft departed from runway 16. During the initial climb phase, the aircraft lost control and descended uncontrollably before impacting shallow water. The impact destroyed the aircraft.

Occupants

All six individuals aboard the aircraft perished in the accident. The occupants comprised three pilots, two mechanics, and one engineer. No other details about the individuals were provided in the source.

Probable Cause

Official findings indicated that the right engine failed during the initial climb. No additional causal factors were identified in the report.