Main landing gear failure during landing roll

No fatalities • Pittsburgh-Intl, United States of America • Landing (descent or approach)

A single-pilot aircraft experienced a structural failure of the right landing gear leg during its landing roll, resulting in a gear collapse.

What happened

During the landing roll phase of flight, the aircraft's right main landing gear leg underwent a structural breakage. The failure occurred at the specific point where the fork assembly separates from the rest of the gear structure. As the aircraft was decelerating on the runway, the integrity of the gear leg was lost, leading to a collapse of the main gear.

At the time of the incident, the pilot was the only person on board the aircraft. Despite the mechanical failure and subsequent impact associated with the gear collapse, the pilot sustained no injuries.

Findings

Investigations into the structural failure identified several contributing factors related to the condition of the landing gear assembly. The primary findings include:

  • A fatigue-related issue within the main landing gear components.
  • The presence of previous damage that likely compromised the strength of the assembly.
  • A fracture located specifically in the area of the fork assembly separation.

Probable cause

The collapse was caused by fatigue and pre-existing damage leading to a fracture in the right main landing gear fork assembly.

Frequently asked questions

What happened in the 1986-11-12 Beechcraft H18 accident near Pittsburgh-Intl, United States of America?

A single-pilot aircraft experienced a structural failure of the right landing gear leg during its landing roll, resulting in a gear collapse.

Were there any fatalities in the 1986-11-12 Beechcraft H18 accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 1986-11-12 involved a Beechcraft H18, registration N925J, operated by ACE Air Cargo Express, at Pittsburgh-Intl, United States of America.

What was the probable cause of the accident?

The collapse was caused by fatigue and pre-existing damage leading to a fracture in the right main landing gear fork assembly.

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