NTSB Identification: CHI89FA005.
The docket is stored on NTSB microfiche number 40163.
Accident occurred Saturday, October 08, 1988 in SCHAUMBURG, IL
Probable Cause Approval Date: 01/31/1990
Aircraft: PIPER PA-28, registration: N4608R
Injuries: 1 Minor.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

WHILE CRUISING AT 1900' MSL, APRX 15 MI NORTH OF THE DEPARTURE ARPT, THE PLT NOTED A GRADUAL DECREASE IN ENG RPM. HE APPLIED CARB HEAT & TURNED BACK TOWARD THE ARPT, BUT THE ENG CONTINUED TO LOSE POWER. SUBSEQUENTLY, THE ACFT HIT TREES & CRASHED AS THE PLT WAS ATTEMPTING TO LAND ON A STREET. A FIRE ERUPTED IN THE ENG COMPARTMENT AFTER THE PLANE CRASHED. AN EXAM OF THE ENG REVEALED A CONNECTING ROD HAD FAILED & PUNCTURED A HOLE IN THE ENG, ALLOWING OIL TO BE PORTED INTO THE ENG COMPARTMENT. THERE WAS EVIDENCE THAT THE ROD HAD FAILED FROM LACK OF LUBRICATION.

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

ENGINE FAILURE DUE TO OIL STARVATION AND THE PILOT'S MISJUDGED EMERGENCY LANDING, DURING WHICH THE AIRCRAFT COLLIDED WITH TREES AND A SWIMMING POOL, BEFORE COMING TO REST ON THE GROUND AND A CHAIN LINK FENCE.

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