Casualties unknown

Engine Power Loss Leads to Forced Landing in Box Canyon (N9674G)

Avalon, CA, US

On March 19, 1998, a Cessna TU206F (registration N9674G) was involved in an aviation accident near Avalon, CA. Investigators recorded the probable cause as: Contamination of the fuel system which led to a loss of engine power. Factors were the lack of suitable terrain for the forced landing and the barbwire fence. 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 2026-07-04Data APIEditorial standards

A pilot lost engine power at the departure end of the runway, resulting in a forced landing in a box canyon and collision with a barbwire fence. Post-accident examination found foreign debris in the engine fuel system.

Accident Details

The pilot reported that the aircraft had been refueled the day before the accident. The flight included one intermediate stopover to retrieve documents before continuing to the final destination. No mechanical anomalies were noted during the flight to the first point of landing.

Preflight and Departure

After landing at the intermediate stop, the pilot conducted another preflight inspection, noting no abnormalities. The pilot then departed for the final destination. At the departure end of the runway, the aircraft experienced a loss of engine power.

Forced Landing

Following the power loss, the pilot executed a forced landing in a box canyon. The aircraft came to rest after colliding with a barbwire fence.

Post-Accident Examination

An engine repair station examined the engine and discovered foreign debris in the flow divider, fuel screen, and metering valve.

Frequently asked questions

What happened in the 19 Mar 1998 Cessna TU206F accident near Avalon, CA?

A pilot lost engine power at the departure end of the runway, resulting in a forced landing in a box canyon and collision with a barbwire fence. Post-accident examination found foreign debris in the engine fuel system.

What aircraft was involved and where did it happen?

The accident on 19 Mar 1998 involved a Cessna TU206F, registration N9674G, at Avalon, CA.

What was the probable cause of the accident?

Contamination of the fuel system which led to a loss of engine power. Factors were the lack of suitable terrain for the forced landing and the barbwire fence.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X09720. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.