ASN Wikibase Occurrence # 368450
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| Date: | Saturday 8 July 1989 |
| Time: | 00:00 LT |
| Type: |  Piper PA-20 |
| Owner/operator: | Dave Hannam |
| Registration: | N7029K |
| MSN: | 20-138 |
| Year of manufacture: | 1950 |
| Total airframe hrs: | 1851 hours |
| Engine model: | LYCOMING O-290-D-135 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Eureka, AK -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT WAS USING AUTOMOTIVE FUEL IN HIS AIRPLANE & HAD MADE NUMEROUS TAKEOFFS & LANDINGS IN RAPID SUCCESSION. THE TEMPERATURE WAS 50 DEGREES, THE SKY WAS CLEAR & THE AIRSTRIP ELEVATION WAS ABOUT 4000 FT. JUST AFTER LIFT-OFF, THE ENGINE COUGHED ONCE, THEN STOPPED COMPLETELY AS IF SOMEONE HAD TURNED IT OFF. SUBSQUENTLY THE AIRPLANE WAS DAMAGED DURING A LANDING ON UNEVEN TUNDRA. NO MECHANICAL IRREGULARITTIES WERE FOUND WITH THE ENGINE OR AIRPLANE. THE CARBURETOR COMPOSITE FLOAT WAS WEIGHTED & FOUND TO BE WITHIN SPECIFIED LIMITS, BUT WHEN SECTIONED, IT GAVE OFF A SLIGHT HYDROCARBONODOR. VAPOR PRESSURE OF THE AUTO FUEL WAS RPRTD TO BE 15 PSI AS COMPARED TO 5 PSI FOR 100 OCTANE AVIATION FUEL (AUTO FUEL MORE SUSCEPTIBLE TO VAPOR LOCK).
Probable Cause: LOSS OF ENGINE POWER FOR AN UNKNOWN REASON. A FACTOR RELATED TO THE ACCIDENT WAS: ROUGH TERRAIN IN THE EMERGENCY LANDING AREA.
Accident investigation:
 |
|
Sources:
NTSB ANC89LA118
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Mar-2024 18:31 | ASN Update Bot | Added |
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