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Engine Power Loss During Departure Leads to Forced Landing (N9106V)

Milwaukee, WI, US

On August 10, 2001, a Piper PA-46-310P (registration N9106V) was involved in an aviation accident near Milwaukee, WI. Investigators recorded the probable cause as: the rich fuel mixture and the unsuitable landing area encountered by the pilot. Contributing factors were the high output of the fuel pump and the low altitude. 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

An airplane experienced a partial then total loss of engine power while climbing from departure. The pilot executed a forced landing on a field. Postaccident engine runs failed to replicate the loss, but the fuel pump had excessive discharge pressure.

Incident Description

The airplane was departing from an airport when it experienced a partial loss of engine power during the climb. This was followed by a total loss of engine power while the aircraft was passing through 200 to 300 feet above ground level. The pilot responded by pushing the airplane down to land on a field. The field had houses located in the direction of the landing path. The pilot reported a touchdown speed of 90 miles per hour.

Postaccident Examination

Following the accident, the engine was run five times on the ground. These runs did not reproduce the loss of engine power. After the runs, the top spark plugs were removed from the engine and were noted to have a black and sooty appearance. The engine-driven fuel pump was also removed and sent to the engine manufacturer for testing. The manufacturer reported that the fuel pump's discharge pressure exceeded its maximum specified pressure.

Frequently asked questions

What happened in the 10 Aug 2001 Piper PA-46-310P accident near Milwaukee, WI?

An airplane experienced a partial then total loss of engine power while climbing from departure. The pilot executed a forced landing on a field. Postaccident engine runs failed to replicate the loss, but the fuel pump had excessive discharge pressure.

What aircraft was involved and where did it happen?

The accident on 10 Aug 2001 involved a Piper PA-46-310P, registration N9106V, at Milwaukee, WI.

What was the probable cause of the accident?

the rich fuel mixture and the unsuitable landing area encountered by the pilot. Contributing factors were the high output of the fuel pump and the low altitude.

More accident analyses

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20010810X01659. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.