ASN Wikibase Occurrence # 165828
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Date: | Sunday 27 April 2014 |
Time: | 17:00 |
Type: | Alon A-2 Aircoupe |
Owner/operator: | Private |
Registration: | N6364V |
MSN: | A-40 |
Year of manufacture: | 1965 |
Total airframe hrs: | 1878 hours |
Engine model: | Continental C90-16F |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Near Deck Airpark (NC11), Apex, NC -
United States of America
|
Phase: | Take off |
Nature: | Private |
Departure airport: | Apex, NC (NC11) |
Destination airport: | Grays Creek, NC (2GC) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The pilot stated that, before the accident flight, the airplane had about 15 gallons of automotive gasoline in the fuel tanks. The taxi and initial takeoff were “normal”; however, when the airplane was about 100 ft above the trees that bordered the airport, the engine experienced a sudden total loss of power. The pilot then reduced the throttle and reapplied full throttle. Although the engine momentarily restarted, it then immediately lost power. The airplane subsequently impacted trees and came to rest inverted. Local authorities reported a strong fuel smell at the accident location, but the exact amount of spilled fuel could not be determined. Examination of the airframe and a subsequent test run of the engine revealed no mechanical anomalies that would have precluded normal operation.
Federal Aviation Administration guidance indicates that vapor lock is a problem that mostly affects gasoline-fueled internal combustion engines and can result in a transient or complete loss of power. The guidance further states that restarting the engine from this state may be difficult because fuel can be vaporized by engine heat. Given that the ambient air temperature, the fuel flow condition (takeoff), and the likely engine temperature were conducive to the occurrence of vapor lock, it is possible that the loss of engine power was due to vapor lock; however, insufficient evidence existed to determine whether vapor lock occurred during the accident flight. The weather conditions about the time of the accident were conducive to the accumulation of carburetor icing at cruise and glide power; however, given the pilot’s statement that the engine operated “normally” until the sudden loss of power and that the airplane was climbing at a high power setting, it is not likely that the carburetor accumulated ice.
Probable Cause: A total loss of engine power during initial climb for reasons that could not be determined during postaccident examination and testing.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | ERA14LA208 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB
FAA register:
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=6364V Location
Revision history:
Date/time | Contributor | Updates |
28-Apr-2014 01:06 |
Geno |
Added |
28-Apr-2014 01:25 |
Geno |
Updated [Aircraft type, Registration, Cn, Operator, Source, Narrative] |
02-May-2014 21:50 |
Geno |
Updated [Time, Source, Narrative] |
21-Dec-2016 19:28 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
29-Nov-2017 14:03 |
ASN Update Bot |
Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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