On November 13, 1983, a Piper PA-23-250 (registration N989EB) operated by Gary Mack Roberts was involved in an aviation accident near Waco, TX. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During climb to 7,500 ft, pilot encountered left engine overspeed, feathered it, then right engine failed. While on emergency vectors, aircraft struck trees after unable to reach a pasture.
Flight Sequence
The aircraft had climbed to approximately 7,500 feet when the pilot encountered an overspeeding left engine. The pilot turned back toward Waco and feathered the left propeller. While receiving emergency vectors to an airport, the right engine ceased operation. As the aircraft broke out of an overcast layer, the pilot observed a pasture and pumped the landing gear down. The aircraft was unable to reach the pasture and subsequently collided with trees.
Post-Accident Examination
Scoring was found on the cup of the left propeller governor, which was evidence of an overspeed condition. However, further examination of the governor did not reveal any evidence that would have caused an overspeed condition. No preimpact failure or malfunction of either engine was found.
Frequently asked questions
What happened in the 13 Nov 1983 Piper PA-23-250 accident near Waco, TX?
During climb to 7,500 ft, pilot encountered left engine overspeed, feathered it, then right engine failed. While on emergency vectors, aircraft struck trees after unable to reach a pasture.
What aircraft was involved and where did it happen?
The accident on 13 Nov 1983 involved a Piper PA-23-250, registration N989EB, operated by Gary Mack Roberts, at Waco, TX.
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