ASN Wikibase Occurrence # 365463
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| Date: | Thursday 11 April 1991 |
| Time: | 10:27 LT |
| Type: | Brault Glasair SH2F |
| Owner/operator: | Private |
| Registration: | N1490 |
| MSN: | 610 |
| Total airframe hrs: | 341 hours |
| Engine model: | LYCOMING I0-360 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Green Bay, WI -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRCRAFT WAS MANEUVERING IN ATTITUDES THAT IMPOSED NEGATIVE 'G' FORCES ON THE AIRFRAME WHEN ENGINE POWER WAS LOST. ATTEMPTS TO RESTART THE ENGINE WERE UNSUCCESSFUL. AN EMERGENCY LANDING WAS INITIATED TO A PAVED ROAD. THE AIRCRAFT STRUCK A WIRE ON APPROACH AND SUBSEQUENTLY IMPACTED A DITCH. EXAMINATION REVEALED THAT THE FUEL PICKUP LINE WAS CAPABLE OF UNPORTING WITH LOW FUEL LEVEL DURING NEGATIVE 'G' MANEUVERS. TOTAL FUEL CAPACITY WAS 34.5 GALLONS. APPROXIMATELY 10 GALLONS OF FUEL WERE PRESENT WHEN THE ENGINE POWER FAILURE OCCURRED.
Probable Cause: THE PILOT IN COMMAND'S FAILURE TO REFUEL THE AIRCRAFT PRIOR TO DEPARTURE. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS THE UNPORTING OF THE FUEL PICK UP LINE IN FUEL TANK DURING ABRUPT OR NEGATIVE 'G' MANEUVERS.
Accident investigation:
 |
|
Sources:
NTSB CHI91DEP04
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 10:24 | ASN Update Bot | Added |
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