NTSB Identification: MIA87LA138.
The docket is stored on NTSB microfiche number 33018.
Accident occurred Sunday, April 19, 1987 in TUPELO, MS
Probable Cause Approval Date: 03/30/1988
Aircraft: CREMER VP-1, registration: N70PJ
Injuries: 1 Serious.

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

ACFT LOST ENGINE POWER ON SHORT FINAL APPROACH. ACFT STALLED AND TOUCHED DOWN HARD SHORT OF THE RUNWAY. THE ACFT THEN COLLIDED WITH THE RAISED EDGE OF THE RUNWAY COLLAPSING THE MAIN GEAR AND THEN NOSING OVER. THE PILOT ATTRIBUTED THE LOSS OF ENGINE POWER TO A WEAK MAGNETO COIL WHICH HE HAD BEEN ATTEMPTING TO REPAIR. THE WEAK COIL ALLOWED FOR A WEAK SPARK AT THE SPARK PLUGS WHICH ALLOWED THE PLUGS TO FOUL AND THE ENGINE NOT TO RESPOND QUICKLY TO POWER INCREASES.

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

IGNITION SYSTEM,IGNITION COIL..OUTPUT LOW

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

OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT..PERFORMED..PILOT IN COMMAND

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

IGNITION SYSTEM,SPARK PLUG..CONTAMINATION

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