On May 8, 2007, a Piper PA-28-140 (registration N5895U) operated by National Pilot Academy was involved in an aviation accident near Tucson, AZ. No fatalities were reported. Investigators recorded the probable cause as: A loss of engine power while maneuvering due to a broken exhaust valve. Contributing to the accident was the rough terrain. 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.
An airplane experienced engine power loss at 1,600 feet, leading to a hard forced landing in rough desert terrain about 1/3 mile from the destination. Borescope examination revealed a damaged piston and broken exhaust valve head.
Engine Power Loss
The engine began losing power approximately 1,600 feet above ground level. The airplane was unable to maintain altitude, and the pilots executed a forced landing.
Forced Landing
The forced landing was hard and occurred in rough desert terrain approximately one-third mile from the destination airport.
Post-Incident Examination
A borescope examination of the engine was conducted. The top surface of the number 3 piston was observed to be damaged. The cylinder's exhaust valve head was broken off from the stem. No further inspections were performed.
Probable Cause
No probable cause was stated in the investigation source.
What happened in the 8 May 2007 Piper PA-28-140 accident near Tucson, AZ?
An airplane experienced engine power loss at 1,600 feet, leading to a hard forced landing in rough desert terrain about 1/3 mile from the destination. Borescope examination revealed a damaged piston and broken exhaust valve head.
Were there any fatalities in the 8 May 2007 Piper PA-28-140 accident?
No fatalities were recorded in this accident.
What aircraft was involved and where did it happen?
The accident on 8 May 2007 involved a Piper PA-28-140, registration N5895U, operated by National Pilot Academy, at Tucson, AZ.
What was the probable cause of the accident?
A loss of engine power while maneuvering due to a broken exhaust valve. Contributing to the accident was the rough terrain.
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