On July 11, 1987, a Grumman G-164B (registration N6881K) was involved in an aviation accident near Beaumont, TX. Investigators recorded the probable cause as: The failure of a blower bearing, which resulted in a progressive loss of engine power. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An aircraft experienced progressive engine power loss during initial climb, forcing an emergency landing in a pasture where the nose gear collapsed on soft ground.
What happened
During the initial climb phase after takeoff, the pilot reported that the engine began losing revolutions per minute (RPM). Despite attempts to return to the airport, the power loss was progressive and uncontrollable. The pilot identified a nearby pasture as an emergency landing site. Upon touchdown on soft terrain covered with tall, wet grass, the aircraft's nose gear collapsed, causing the airplane to nosed over.
The investigation
A post-accident examination of the engine revealed that a blower bearing had failed. This mechanical failure was identified as the direct cause of the progressive loss of power experienced during flight.
Probable cause
The failure of a blower bearing, which resulted in a progressive loss of engine power.
What happened in the 11 Jul 1987 Grumman G-164B accident near Beaumont, TX?
An aircraft experienced progressive engine power loss during initial climb, forcing an emergency landing in a pasture where the nose gear collapsed on soft ground.
What aircraft was involved and where did it happen?
The accident on 11 Jul 1987 involved a Grumman G-164B, registration N6881K, at Beaumont, TX.
What was the probable cause of the accident?
The failure of a blower bearing, which resulted in a progressive loss of engine power.
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