Casualties unknown

1990-02-21: Beech S35 (N236S) — Executive Flight — Carrollton, TX

Carrollton, TX, US

On February 21, 1990, a Beech S35 (registration N236S) operated by Executive Flight was involved in an aviation accident near Carrollton, TX. Investigators recorded the probable cause as: The pilot mismanaged the fuel system of the aircraft during the latter portion of a cross country flight which resulted in a total non-mechanical, loss of power. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

During a cross-country flight, the pilot mismanaged the fuel system, causing total power loss. The aircraft struck a tree and terrain 3 miles short of the airport. The left fuel tank was empty while the right tank was nearly full.

Incident Overview

A cross-country flight experienced a total loss of engine power due to non-mechanical causes. The pilot had been operating with the left fuel tank selected, which was later found depleted of usable fuel at the accident site. The right fuel tank contained approximately three-quarters full of clean, usable fuel. Following the power loss, the fuel pump cavitated as a result of fuel exhaustion. The pilot attempted to restart the engine during the forced landing but was unable to do so, citing insufficient time and altitude.

Sequence of Events

The aircraft was vectored to the nearest airport after the power loss. However, during the approach, the aircraft struck a tree and then impacted terrain approximately three statute miles short of the runway. No mechanical issues were identified with the fuel system or engine; the loss of power was solely attributed to fuel exhaustion from the selected tank.

Post-Accident Findings

Examination of the aircraft at the accident site confirmed that the left fuel tank contained no usable fuel, while the right tank held ample fuel. The pilot's selection of the left tank throughout the latter portion of the flight led to the depletion of that tank. The fuel pump cavitated when the left tank ran dry, preventing any immediate restart. The pilot's attempt to restart the engine was unsuccessful given the circumstances.

Probable cause

The pilot mismanaged the fuel system of the aircraft during the latter portion of a cross country flight which resulted in a total non-mechanical, loss of power.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X22571. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.