Casualties unknown

1991-06-25: Cessna 152 (N93097) — Air Center II — Hutto, TX

Hutto, TX, US

On June 25, 1991, a Cessna 152 (registration N93097) operated by Air Center II was involved in an aviation accident near Hutto, TX. Investigators recorded the probable cause as: THE ENGINE FAILURE DUE TO CARBURETOR ICE. FACTORS WERE THE INSTRUCTOR'S IMPROPER USE OF CARBURETOR HEAT AND THE FOULED SPARK PLUGS. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

During a training flight, a simulated forced landing resulted in engine failure and a subsequent forced landing in an open field. The aircraft nosed over after the nose gear dug into soft terrain. Investigation found three fouled spark plugs and weather conducive to carburetor icing.

Incident Details

During a training flight, the student pilot conducted a simulated forced landing. After the maneuver, the student simultaneously applied power and retracted the flaps. As the aircraft initiated a climb attitude, the engine coughed and then ceased operation. The instructor took control and executed a forced landing to an open field. During the landing roll, the nose gear dug into soft terrain, causing the airplane to nosed over.

Engine Examination

Subsequent examination of the engine revealed that three spark plugs were fouled. The condition of the spark plugs likely contributed to the engine's failure to maintain power during the climb.

Weather Conditions

Weather conditions at the time were conducive to the formation of carburetor icing at cruise and glide power settings. In his statement, the instructor did not mention whether carburetor heat was applied during the simulated forced landing.

Conclusion

The incident highlights the challenges faced during training maneuvers, particularly when engine performance is compromised by mechanical issues and environmental conditions. No further details were provided regarding the aircraft type, registration, or operator.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X17277. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.