ASN Wikibase Occurrence # 42338
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Date: | Saturday 16 July 1994 |
Time: | 09:40 LT |
Type: | Cessna 150D |
Owner/operator: | Douglas Kiss |
Registration: | N6052T |
MSN: | 15060752 |
Total airframe hrs: | 2980 hours |
Engine model: | Lycoming O-320-E2D |
Fatalities: | Fatalities: 2 / Occupants: 2 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Carrville, CA -
United States of America
|
Phase: | En route |
Nature: | Private |
Departure airport: | Lincoln, CA (O51) |
Destination airport: | Portland, OR |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE FLIGHT WAS EN ROUTE TO PORTLAND OVER MOUNTAINOUS TERRAIN. AT 0940, THE U.S. FOREST SERVICE WAS NOTIFIED OF A FIRE AND THE AIRCRAFT WRECKAGE WAS SUBSEQUENTLY LOCATED IN A SADDLE AT THE 6,480-FOOT LEVEL. THE ACCIDENT SITE IS THE ONLY RELATIVELY CLEAR AREA IN THE VICINITY. AT 1000, A HELICOPTER REACHED THE ACCIDENT SITE AND DROPPED WATER ON THE BURNING WRECKAGE. THE WRECKAGE WAS FOUND WITHIN A 23-FOOT-DIAMETER AREA. AN EXAMINATION OF THE AIRCRAFT WRECKAGE REVEALED DAMAGE CONSISTENT WITH A LOW-SPEED, MODERATE-ANGLE CONTROLLED IMPACT. THE AIRCRAFT'S ENGINE HAD BEEN MODIFIED TO OPERATE ON 87 OCTANE AUTO FUEL. AN INSPECTION REVEALED THE SPARK PLUGS WERE WORN, WITH THE ELECTRODES FOUND TO HAVE A GAP IN EXCESS OF .022 OF AN INCH. NONE OF THE SPARK PLUGS WERE FOULED. THE FUEL INLET SCREEN EXHIBITED A DARK, WET SUBSTANCE. A THREAD COMPOUND WAS PRESENT AND ON THE FUEL INLET SCREEN. THE CARBURETOR HAD COMPOSITE FLOATS INSTALLED. THE TWO-PIECE VENTURI WAS FOUND DISPLACED IN THE CARBURETOR THROAT. A LINEMAN AT LINCOLN HAD SEEN THE AIRCRAFT BEING FUELED FROM SEVERAL CANS THE DAY PRIOR TO ITS DEPARTURE FROM THE LINCOLN AIRPORT.
Probable Cause: a loss of engine power for undetermined reasons. The mountainous terrain and lack of a suitable forced landing area within gliding distance was a factor in the accident.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | LAX94LA286 |
Status: | Investigation completed |
Duration: | 8 months |
Download report: | Final report |
|
Sources:
NTSB LAX94LA286
Location
Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
21-Dec-2016 19:24 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
10-Apr-2024 05:58 |
ASN Update Bot |
Updated [Time, Other fatalities, Source, Narrative, Category, Accident report] |
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