ASN Wikibase Occurrence # 363493
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| Date: | Saturday 13 June 1992 |
| Time: | 12:30 LT |
| Type: | Fantasy Sky Promotions AX-7 |
| Owner/operator: | Private |
| Registration: | N5355M |
| MSN: | 027 |
| Total airframe hrs: | 286 hours |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Minor |
| Category: | Accident |
| Location: | Rio Rancho, NM -
 United States of America
|
| Phase: | Standing |
| Nature: | Executive |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE BALLOON EXPERIENCED A FLASH FIRE DURING INFLATION PRIOR TO TETHERED FLIGHT. INVESTIGATION REVEALED THAT THE PILOT HAD REMOVED TWO OF THE FOUR FUEL TANKS PRIOR TO THE OPERATION. IT WAS ALSO DETERMINED THAT ONE OF THE SECONDARY FUEL LINES WAS LOOSE AND LAYING UNCAPPED IN THE BOTTOM OF THE BASKET AND THE SECONDARY BLAST VALVE WAS FOUND LOCKED IN THE OPEN POSITION. A FUNCTIONAL CHECK OF THE FUEL SYSTEM, USING INERT GAS, REVEALED THAT WITH THE SECONDARY VALVE LOCKED OPEN, FUEL WOULD VENT OUT OF THE LOOSE LINE WHEN THE PRIMARY BLAST VALVE WAS ACTIVATED.
Probable Cause: THE PILOT'S IMPROPER INSPECTION OF THE BALLOON FOLLOWING REMOVAL OF TWO OF THE FUEL TANKS WHICH RESULTED IN VENTED FUEL DUE TO A FUEL LINE BEING LEFT LOOSE AND A FUEL VALVE LOCKED OPEN.
Accident investigation:
 |
|
Sources:
NTSB FTW92DQA02
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 17:55 | ASN Update Bot | Added |
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