Casualties unknown

Partial Engine Power Loss During Initial Climb Leads to Descent Near Airport (N8972L)

Corona, CA, US

On July 27, 1994, a Grumman AA-1B (registration N8972L) operated by Paradise Aviation, Inc. was involved in an aviation accident near Corona, CA. Investigators recorded the probable cause as: AN UNDETERMINED PARTIAL LOSS OF ENGINE POWER. 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

During initial climb, a pilot experienced a partial loss of engine power. Attempting to return to the airport, the airplane descended into rough terrain about 2 miles from the runway. Post-accident engine tests showed roughness with rich mixture.

Accident Description

According to the pilot, during the initial climb after takeoff, the engine experienced a partial loss of power. The pilot attempted to maneuver the airplane back toward the airport. However, insufficient engine power was produced to sustain flight, and the airplane descended into rough terrain approximately 2 miles from the runway.

Post-Accident Engine Examination

Following the accident, the engine was test run. During the test, the engine ran rough when the mixture control was in the rich position, and it smoothed out when the mixture was placed in the lean position. No blockages were noted in the engine's induction system. The carburetor was visually inspected, and no abnormalities were found. The throttle and mixture control linkages were reported to be correctly installed.

Frequently asked questions

What happened in the 27 Jul 1994 Grumman AA-1B accident near Corona, CA?

During initial climb, a pilot experienced a partial loss of engine power. Attempting to return to the airport, the airplane descended into rough terrain about 2 miles from the runway. Post-accident engine tests showed roughness with rich mixture.

What aircraft was involved and where did it happen?

The accident on 27 Jul 1994 involved a Grumman AA-1B, registration N8972L, operated by Paradise Aviation, Inc., at Corona, CA.

What was the probable cause of the accident?

AN UNDETERMINED PARTIAL LOSS OF ENGINE POWER.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001206X01790. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.