ASN Wikibase Occurrence # 40545
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| Date: | Saturday 18 January 1992 |
| Time: | 19:10 LT |
| Type: |  Mooney M20C |
| Owner/operator: | Jeffrey R. Wirgler |
| Registration: | N6481U |
| MSN: | 2228 |
| Year of manufacture: | 1962 |
| Engine model: | Lycoming O-360-A1D |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Santa Monica, CA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE 107 HR PVT PLT & PSGR DEPD THE ARPT FOR AN UNKNOWN DESTN. THE RECENTLY PURCHASED ACFT HADN'T FLOWN FOR SVRL MONTHS. THE ACFT HAD BEEN PARKED OUTSIDE & 5.5' OF RAIN HAD FALLEN IN THE LAST 41 DAYS. THE ACFT WAS REFUELED IMMEDIATELY BFR DEPG & THE FUELER SAID THE PLT SAT INSIDE THE ACFT DRG REFUELING, READING A MAP. THE REFUELER DIDN'T SEE THE PLT MAKE A PREFLT INSPN. HE ALSO NOTED THE ACFT WAS VERY DIRTY. THE FUEL FILLER CAPS WERE OF THE THERMOS CAP STYLE, RECESSED INTO WELLS IN THE WING SFC. FAA SDR'S NOTED 20 INSTANCES OF WATER CONTAMINATION OF FUEL IN THIS MODEL ACFT DRG A PERIOD FROM 1/1/86 TO 9/10/92. OF THE 20 RPRTD INSTANCES, 4 WERE ASSOCIATED WITH LEAKAGE THRU LOOSE FUEL CAPS. DRG THE TAKEOFF & INITIAL CLIMB, THE PLT STATED TO THE TWR THAT 'MY ENGINE KEEPS CUTTING IN AND OUT.' HE WAS CLRD TO LND ON ANY RWY. THE PLT COMPLETED A 180 DEG TURN BACK TWD THE RWY & THE ACFT HIT A PWR POLE OFF THE END & BELOW THE RWY SFC. THE ACFT WAS CONSUMED BY A POST-CRASH FIRE. NO MECH MALFUNCTION/FAILURE WAS FND. SUNSET WAS AT 1712 PST.
Probable Cause: FUEL CONTAMINATION BY WATER DUE TO THE; 1) FAILURE OF THE FUEL CAPS TO PROPERLY SEAL AGAINST WATER INGESTION, 2) THE PILOTS FAILURE TO ADEQUATELY PERFORM A PREFLIGHT INSPECTION OF THE AIRCRAFT SUFFICIENT TO DETECT THE PRESENCE OF WATER IN THE FUEL TANKS. FACTORS IN THE ACCIDENT WERE THE INADEQUATE FUEL CAP/WELL DESIGN BY THE MANUFACTURER AND THE PILOTS REDUCED ABILITY TO VISUALLY SEE AND AVOID THE POWER POLE DUE TO THE PREVAILING LIGHT CONDITIONS.
Accident investigation:
 |
|
Sources:
NTSB LAX92FA094
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 11-Apr-2024 09:17 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Source, Narrative, Category, Accident report] |
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