Engine power loss leads to stall and spin during takeoff

Casualties unknown • Danbury, CT, US

An aircraft experienced an engine failure shortly after takeoff, resulting in a stall and spin that led to a ground impact.

What happened

The pilot had previously operated the unspecified aircraft on several flights, noting that it had performed without issue. Following a one-hour flight, the pilot and passenger returned to the departure airport. During a 30-minute period on the ground, a radio antenna was repaired. The pilot started the engine to test the radio functionality before shutting it down.

After restarting the engine with a single propeller pull, the pilot taxied for takeoff. Approximately 200 feet above the ground, the engine lost power. In response, the pilot initiated a steep 180-degree turn. The aircraft subsequently stalled and spun into the ground, coming to rest approximately 1,000 feet from the departure end of the runway. There were no fatalities reported.

The investigation

An examination of the wreckage showed no evidence of preimpact failures regarding the engine or the airframe. Investigators discovered that the fuel selector valve and its associated cockpit control assembly were in the OFF position. Testing confirmed that when air was applied to one end of the fuel selector while in the OFF position, airflow could be detected at the other end. To further understand the mechanics of the failure, a similar aircraft was started with the fuel selector in the OFF position; that engine operated for 1 minute and 46 seconds before experiencing fuel starvation.

Probable cause

The engine lost power because the fuel selector valve was left in the OFF position.

Frequently asked questions

What happened in the 1997-08-04 Piper J3C-65 accident near Danbury, CT?

An aircraft experienced an engine failure shortly after takeoff, resulting in a stall and spin that led to a ground impact.

What aircraft was involved and where did it happen?

The accident on 1997-08-04 involved a Piper J3C-65, registration N24565, operated by John A Rolls, at Danbury, CT.

What was the probable cause of the accident?

The engine lost power because the fuel selector valve was left in the OFF position.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001208X08715. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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