NTSB Identification: CHI97LA091.
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Accident occurred Wednesday, March 26, 1997 in FT. LEAVENWORTH, KS
Probable Cause Approval Date: 04/24/1998
Aircraft: Cessna 152, registration: N6359M
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The CFI reported that after takeoff at an altitude of about 300 feet above the ground the airplane started to '...vibrate severely, followed almost immediately by a loud bang in the engine compartment.' The CFI made a left turn to return to the airport and was cleared to land. He reported hearing another loud bang at which time the forward left portion of the cowling distorted. A forced landing was made in a field during which the nose gear collapsed and the airplane nosed over. Postaccident inspection and metallurgical examination revealed the number 2 cylinder separated between the mounting flange and the head due to fatigue.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

fatigue failure and separation of the number 2 cylinder. A factor was the rough terrain.

Full narrative available

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