On August 19, 1993, a Cessna 172 (registration N9845J) was involved in an aviation accident near Hope Valley, RI. Investigators recorded the probable cause as: The engine failure as the result of ingestion of pieces of carburetor into the cylinders, and the subsequent forced landing and nose over during the landing roll after encountering soft 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.
A CFI and student pilot experienced engine failure at 1100 feet after a simulated forced landing. The subsequent forced landing ended with the airplane nosing over when the nose wheel hit soft terrain. Inspection found a missing carburetor accelerator pump tube, with fragments in two cylinders.
Incident Details
During a training flight, a certified flight instructor (CFI) and a student pilot completed a simulated forced landing. After the exercise, they initiated a climb to reach cruise altitude. As the airplane passed approximately 1100 feet, the engine began to sputter and subsequently stopped producing power. The CFI attempted to restart the engine but was unsuccessful. A forced landing was performed, and during the landing roll, the nose wheel encountered soft terrain. The airplane nosed over, coming to rest inverted.
Examination Findings
Post-accident examination of the engine revealed that the carburetor accelerator pump tube was missing from the carburetor throat. Further inspection uncovered pieces of the tube within cylinders number 2 and 3. No other malfunctions or anomalies were noted in the engine or airframe.
What happened in the 19 Aug 1993 Cessna 172 accident near Hope Valley, RI?
A CFI and student pilot experienced engine failure at 1100 feet after a simulated forced landing. The subsequent forced landing ended with the airplane nosing over when the nose wheel hit soft terrain. Inspection found a missing carburetor accelerator pump tube, with fragments in two cylinders.
What aircraft was involved and where did it happen?
The accident on 19 Aug 1993 involved a Cessna 172, registration N9845J, at Hope Valley, RI.
What was the probable cause of the accident?
The engine failure as the result of ingestion of pieces of carburetor into the cylinders, and the subsequent forced landing and nose over during the landing roll after encountering soft terrain.
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