Casualties unknown

Multi-Engine Aircraft Makes Emergency Landing After Engine Power Loss and Fuel Mismanagement (N666DF)

Weatherford, TX, US

On September 5, 1990, a Beech C55 (registration N666DF) operated by Bruce Dolenz was involved in an aviation accident near Weatherford, TX. Investigators recorded the probable cause as: THE FUEL STARVATION INDUCED POWER LOSS TO THE LEFT ENGINE, WHICH RESULTED FROM THE IMPROPER FUEL TANK BEING SELECTED BY THE PIC. 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 multi-engine airplane experienced a right engine power loss during cruise. After a go-around, the left engine surged and airspeed was lost. The pilot performed a road landing, striking trees and a mailbox. Inspectors found auxiliary fuel tanks empty and selectors set to auxiliaries; main tanks were nearly full.

Incident Overview

During cruise flight, the right engine of a multi-engine airplane suffered a loss of power. The pilot received clearance from air traffic control to proceed to a nearby airport. After entering the traffic pattern and setting up for approach, the pilot executed a go-around over the runway.

Engine Surge and Loss of Airspeed

As power was applied during the go-around, the left engine surged, leading to a loss of airspeed. The pilot then decided to attempt a landing on a road.

Landing and Collision

During the descent, the airplane struck the tops of several trees. It landed hard on the road, then slid into a tree and a mailbox pole.

Post-Accident Inspection

Federal Aviation Administration inspectors discovered that the auxiliary fuel tanks were empty and the fuel selector switches were positioned to the auxiliary fuel tanks. The main fuel tanks were found to be nearly full.

Probable Cause

No probable cause was stated in the official investigation source.

Frequently asked questions

What happened in the 5 Sept 1990 Beech C55 accident near Weatherford, TX?

A multi-engine airplane experienced a right engine power loss during cruise. After a go-around, the left engine surged and airspeed was lost. The pilot performed a road landing, striking trees and a mailbox. Inspectors found auxiliary fuel tanks empty and selectors set to auxiliaries; main tanks were nearly full.

What aircraft was involved and where did it happen?

The accident on 5 Sept 1990 involved a Beech C55, registration N666DF, operated by Bruce Dolenz, at Weatherford, TX.

What was the probable cause of the accident?

THE FUEL STARVATION INDUCED POWER LOSS TO THE LEFT ENGINE, WHICH RESULTED FROM THE IMPROPER FUEL TANK BEING SELECTED BY THE PIC.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X24275. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.