ASN Wikibase Occurrence # 134006
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| Date: | Friday 13 March 1992 |
| Time: | 10:20 LT |
| Type: |  Pitts S-2B |
| Owner/operator: | Richard D Schauss |
| Registration: | N53385 |
| MSN: | 5076 |
| Total airframe hrs: | 279 hours |
| Engine model: | Avco Lycoming AEIO-540-D4A5 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Schellsburg, PA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Maytown, PA (N71) |
| Cincinati, OH (I77) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE EN ROUTE TO CINCINATI, OH, APPROX ONE HOUR AFTER TAKEOFF FROM MAYTOWN, PA, THE PLT AND PASSENGER OBSERVED OIL ON THE AIRPLANE'S WINDSCREEN. THE PLT STATED HE DECIDED TO MAKE A PRECAUTIONARY LANDING, BUT AS SOON AS HE TURNED TOWARDS THE ALTERNATE AIRPORT, HE NOTICED AN EXCESSIVE AMOUNT OF OIL FLOWING ACROSS THE AIRPLANE'S CLEAR FLOORBOARD. THE PLT SAID HE STARTED TO LOOK FOR SUITABLE TERRAIN TO MAKE A PRECAUTIONARY LDG, BUT THERE WAS NONE. AT THIS TIME, THE OIL PRESSURE GAUGE WAS READING ZERO. HE SAID HE PULLED THE POWER BACK TO AN IDLE SETTING, HOPING THAT IF HE NEEDED POWER LATER, THE ENGINE MIGHT STILL BE FUNCTIONAL. HE SAID HE FLEW THE AIRPLANE INTO A SMALL CLEARING IN THE WOODED TERRAIN. THE AIRPLANE HIT THE FIELD, TURNED 90 DEGREES IN DIRECTION, AND SLID ON THE RIGHT WING FOR 100 FEET, COMING TO REST APPROX 250 FT FROM A TREELINE. ON SCENE INVESTIGATIONS REVEALED THAT THE OIL BREATHER LINE HAD ACCUMULATED ICE NEAR THE END OF THE LINE AND WAS TOTALLY BLOCKED. THE OIL LEAK ORIGINATED FROM THE CRANKSHAFT OIL SEAL.
Probable Cause: THE TOTAL BLOCKAGE OF THE OIL BREATHER LINE CAUSING EXCESSIVE PRESSURE IN THE ENGINE, RESULTING IN OIL LEAKAGE AND SUBSEQUENT ENGINE FAILURE.
Accident investigation:
 |
|
Sources:
NTSB BFO92LA036
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 11-Apr-2024 08:30 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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