Aircraft excursion on gravel runway results in structural breakup

No fatalities • Mamit, Indonesia • Landing (descent or approach)

An aircraft veered off a wet gravel runway during landing, resulting in the airframe breaking into two pieces, though all occupants escaped without injury.

What happened

During the landing phase on runway 11/29, the aircraft departed the prepared surface of the wet gravel runway. The excursion continued into an adjacent wooded area, where the force of the impact caused the airframe to separate into two distinct sections.

Despite the structural failure of the aircraft, there were no injuries reported among the occupants. All five individuals on board successfully evacuated the wreckage without sustaining any harm.

Findings

  • The runway surface consisted of wet gravel at the time of the incident.
  • The primary factor in the loss of directional control was the wet condition of the gravel runway.

Probable cause

The aircraft veered off the runway due to the slippery conditions of the wet gravel surface.

Frequently asked questions

What happened in the 2006-10-10 De Havilland DHC-4 Caribou accident near Mamit, Indonesia?

An aircraft veered off a wet gravel runway during landing, resulting in the airframe breaking into two pieces, though all occupants escaped without injury.

Were there any fatalities in the 2006-10-10 De Havilland DHC-4 Caribou accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 2006-10-10 involved a De Havilland DHC-4 Caribou, registration PK-YRO, operated by Trigana Air Service, at Mamit, Indonesia.

What was the probable cause of the accident?

The aircraft veered off the runway due to the slippery conditions of the wet gravel surface.

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