Casualties unknown

1990-08-27: Ryan NAVION (N4220K) — David L. Smith — San Diego, CA

San Diego, CA, US

On August 27, 1990, a Ryan NAVION (registration N4220K) operated by David L. Smith was involved in an aviation accident near San Diego, CA. Investigators recorded the probable cause as: Blockage in the fuel inlet screen by a small piece of rubber hose interliner. 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 1781061362Data APIEditorial standards

During initial climb, engine power loss forced a landing, resulting in collision with a freeway guardrail. Investigation revealed a fuel inlet screen blockage from a rubber hose interliner.

Accident Event

During the initial climb, the engine lost power. The pilot was unable to maintain altitude and performed a forced landing. During this landing, the aircraft collided with a freeway guardrail.

Investigation Findings

Post-accident investigation disclosed a blockage in the fuel inlet screen. The blockage was identified as a small piece of rubber hose interliner.

Maintenance Records

Records indicate that the fuel hose was fabricated and installed on the aircraft on or about January 19, 1990, approximately 38 tach hours prior to the accident. Additionally, the engine had been major overhauled on December 12, 1989, at which time all fuel, oil, and hydraulic hoses were replaced.

Probable cause

Blockage in the fuel inlet screen by a small piece of rubber hose interliner.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X24067. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.