ASN Wikibase Occurrence # 131999
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| Date: | Monday 19 April 1993 |
| Time: | 17:57 LT |
| Type: |  Glasair III |
| Owner/operator: | Siegel, Jr., Paul F. |
| Registration: | N540PS |
| MSN: | 10001 |
| Total airframe hrs: | 45 hours |
| Engine model: | Lycoming IO-540-K1H5 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Zephyrhills, FL -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | (KZPH) |
| Cincinnati, OH (KLUK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PRIVATE PILOT CONDUCTED A PRECAUTIONARY LANDING BECAUSE OF A ROUGH-RUNNING ENGINE. AFTER LANDING, THE GASCOLATOR AND FUEL INJECTOR NOZZLES WERE REMOVED, CLEANED, AND REINSTALLED ON THE AIRPLANE. THE FUEL SUMPS WERE DRAINED, AND AN ENGINE RUN-UP WAS CONDUCTED. ON INITIAL TAKEOFF CLIMB AT ABOUT 300 FEET AGL, THE AIRPLANE EXPERIENCED A PARTIAL LOSS OF ENGINE POWER FOLLOWED BY A TOTAL LOSS OF ENGINE POWER. A FORCED LANDING WAS CONDUCTED RESULTING IN AN IN-FLIGHT COLLISION WITH TREES AND TERRAIN. EXAMINATION OF THE AIRPLANE BY THE FAA REVEALED FIBERGLASS DUST IN THE MAIN FUEL HEADER TANK, TANK SCREEN, MAIN FUEL FILTER, AND UNDER THE DIAPHRAGM IN THE FUEL FLOW DIVIDER. THE ENGINE FUEL INJECTOR (BENDIX MODEL RSA10ED1) WAS PARTIALLY DISASSEMBLED. A PIECE OF PLASTIC MATERIAL WAS FOUND IN THE VENTURI PRESSURE CHAMBER SIDE OF THE AIR DIAPHRAGM OF SUFFICIENT SIZE TO BLOCK THE PASSAGEWAY TO THE VENTURI. TESTS SHOWED THAT BLOCKAGE OF THE PASSAGEWAY WOULD RESULT IN RESTRICTED FUEL FLOW.
Probable Cause: CONTAMINATION (FIBERGLASS DUST) IN THE FUEL SYSTEM AND/OR A PIECE OF PLASTIC (FOREIGN) MATERIAL IN THE FUEL INJECTOR, WHICH RESULTED IN RESTRICTED FLOW OF FUEL TO THE ENGINE, LOSS OF ENGINE POWER, AND SUBSEQUENT COLLISION WITH TREES AND TERRAIN DURING A FORCED LANDING.
Accident investigation:
 |
|
Sources:
NTSB MIA93LA105
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 14:35 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Accident report] |
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