ASN Wikibase Occurrence # 294686
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Date: | Saturday 7 August 2004 |
Time: | 14:00 LT |
Type: | Enstrom F-28F |
Owner/operator: | Arrowhead Helicopters Inc |
Registration: | N78616 |
MSN: | 513 |
Year of manufacture: | 1981 |
Total airframe hrs: | 1032 hours |
Engine model: | Lycoming HIO-360-F1AD |
Fatalities: | Fatalities: 0 / Occupants: 3 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | De Leon, Texas -
United States of America
|
Phase: | Unknown |
Nature: | Survey |
Departure airport: | De Leon, TX |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The 9,375-hour pilot was giving attendees of a local festival 6-7 minute helicopter rides. He departed with two passengers and climbed to an altitude of 500 feet above ground level (agl). Shortly after, the engine began firing through the exhaust and began to lose power. The pilot entered an autorotation and prepared to land in a school playground. While maneuvering toward the playground, the engine stopped producing power. During the landing, the helicopter slid forward, the skids collapsed and the main rotor severed the tail boom. Before exiting the helicopter, the pilot secured the electrical switches, the magnetos, and turned off the fuel shut-off valve. Examination of the engine revealed that when then fuel shut-off valve was turned back on, fuel began to drain from the port where the main fuel line attached to the fuel manifold valve. The b-nut, which secured the line to the manifold, was partially attached to the port and was finger loose. The b-nut was then tightened, and the engine was test run on the airframe. It started immediately and ran at various power settings without interruption. According to the pilot, he had removed and reassembled the fuel manifold valve approximately nine hours prior to the accident.
Probable Cause: The pilot's failure to properly secure a fuel line, which resulted in a loss of engine power due to leakage and subsequent fuel starvation.
Accident investigation:
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| |
Investigating agency: | NTSB |
Report number: | FTW04LA212 |
Status: | Investigation completed |
Duration: | 4 months |
Download report: | Final report |
|
Sources:
NTSB FTW04LA212
History of this aircraft
Other occurrences involving this aircraft Revision history:
Date/time | Contributor | Updates |
12-Oct-2022 07:55 |
ASN Update Bot |
Added |
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