Casualties unknown

Landing Gear Collapse and Post-Impact Fire During Landing (N11NX)

San Antonio, TX, US

On March 16, 2000, a Cessna 402C (registration N11NX) was involved in an aviation accident near San Antonio, TX. Investigators recorded the probable cause as: The left main landing gear trunnion fractured from overload. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-10Data APIEditorial standards

During a landing after a go-around, the left main landing gear collapsed, causing the airplane to exit the runway and strike runway lights. A fuel leak ignited from contact with a hot wire, resulting in a post-accident fire.

Accident Sequence

After touchdown on the initial landing attempt, the pilot aborted the landing and performed a go-around. During the subsequent landing, the left main landing gear collapsed. The airplane then exited the runway and struck runway lights. A post-accident fire ignited when fuel leaking from under the left wing contacted a hot wire from the damaged runway lights.

Pilot Information

The commercial pilot had completed all company training requirements and satisfactorily completed the CFR Part 135 airman competency/proficiency flight check administered by the company check airman, as well as subsequent line checks. The pilot had accumulated 600 flight hours in the accident make and model.

Aircraft Examination

At the last annual inspection, the accumulated airframe time was 15,522.7 hours. Maintenance records did not reveal evidence of any anomalies or uncorrected maintenance defects. Examination of the left main landing gear revealed that the trunnion had fractured as a result of overload. No microscopic anomalies were found in the trunnion material.

Probable cause

The left main landing gear trunnion fractured from overload.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X20633. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.