NTSB Identification: MKC85LA018.
The docket is stored on NTSB microfiche number 25859.
Accident occurred Wednesday, November 07, 1984 in ALGONA, IA
Aircraft: PIPER PA-18-150, registration: N4312Z
Injuries: 1 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.

AT ABOUT 100 FT AGL AFTER TAKEOFF, ENG LOST PWR. PLT ATTEMPTED TO CIRCLE TO LAND ON CLOSEST RUNWAY BUT ENG WAS DEVELOPING INSUFFICIENT PWR TO MAINTAIN ALTITUDE IN TURN. ACFT TOUCHED DOWN 150 FT SHORT OF THRESHOLD. PLT DID NOT LEVEL WINGS PRIOR TO TOUCHDOWN. INVESTIGATION REVEALED FLAME TUBE IN MUFFLER DISINTEGRATED & FRAGMENTS BLOCKED EXHAUST. ACFT ANNUAL INSPECTION PERFORMED 30 FLT HRS PRIOR TO MISHAP.

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

EXHAUST SYSTEM,MUFFLER..FAILURE,PARTIAL

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

MAINTENANCE,INSPECTION..INADEQUATE..OTHER MAINTENANCE PERSONNEL

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

EXHAUST SYSTEM,MUFFLER..BLOCKED(PARTIAL)

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