ASN Wikibase Occurrence # 357016
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Date: | Saturday 20 July 1996 |
Time: | 09:20 LT |
Type: | American Aerolights Falcon XP |
Owner/operator: | Private |
Registration: | N647AA |
MSN: | 600137 |
Year of manufacture: | 1985 |
Engine model: | Rotax 503 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Mesa, AZ -
United States of America
|
Phase: | Initial climb |
Nature: | Private |
Departure airport: | (KFFZ) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:After takeoff, the pilot remained in the traffic pattern and initiated a go-around after the first landing. During the initial climb, the engine decelerated to idle, then lost all power. The pilot attempted to return to the airport, but was unable. The airplane was damaged during a forced landing in an orange grove. During an examination after the accident, no mechanical failure or malfunction was found with the engine or any of the engine components. The airplane's fuel system tank vent in the fuel cap was found closed. The design of the cap consisted of a rubber stopper that was squeezed by a threaded wing bolt. A small hole in the stopper served as a vent. When squeezing pressure was applied to the rubber stopper by turning the wing nut, the wall would expand, decreasing the size of the fuel system vent. Excessive tightening of the wing nut would squeeze the vent closed. The pilot had only about 4 hours of flight time in this make/model of airplane.
Probable Cause: blockage of the fuel system vent in the fuel cap, when the pilot overtorqued the fuel cap during his preflight check, which restricted fuel flow to the engine. The pilot's lack of experience in the make and model of airplane was a related factor.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | LAX96LA281 |
Status: | Investigation completed |
Duration: | 5 months |
Download report: | Final report |
|
Sources:
NTSB LAX96LA281
Location
Revision history:
Date/time | Contributor | Updates |
13-Mar-2024 13:19 |
ASN Update Bot |
Added |
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