On February 5, 1990, a Piper PA-28-140 (registration N33052) was involved in an aviation accident near Roanoke, TX. Investigators recorded the probable cause as: The pilot stalled the airplane and lost control during a precautionary landing following a partial loss of power due to a failure of the #4 exhaust valve. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An airplane was substantially damaged when the pilot stalled and lost control during a precautionary landing following a partial loss of power due to a failure of the #4 exhaust valve.
Incident Overview
An airplane sustained substantial damage after colliding with the ground during a precautionary landing. The pilot had initiated the landing due to a partial loss of power caused by a failure of the #4 exhaust valve.
Sequence of Events
The pilot initially planned to land at a nearby airport. While turning onto the final approach, the pilot observed opposing traffic and turned away from the final approach course. During this deviation, the airplane encountered high-tension lines that the pilot could not clear. The pilot then turned back toward the airport. During this second turn, the airplane stalled and entered a nose-down attitude before impacting the ground.
Examination
Examination of the failed exhaust valve revealed smearing on the fracture surfaces, which prevented determination of the origin of the failure. The exact cause of the valve failure could not be identified.
Probable cause
The pilot stalled the airplane and lost control during a precautionary landing following a partial loss of power due to a failure of the #4 exhaust valve.
Frequently asked questions
What happened in the 5 Feb 1990 Piper PA-28-140 accident near Roanoke, TX?
An airplane was substantially damaged when the pilot stalled and lost control during a precautionary landing following a partial loss of power due to a failure of the #4 exhaust valve.
What aircraft was involved and where did it happen?
The accident on 5 Feb 1990 involved a Piper PA-28-140, registration N33052, at Roanoke, TX.
What was the probable cause of the accident?
The pilot stalled the airplane and lost control during a precautionary landing following a partial loss of power due to a failure of the #4 exhaust valve.
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