ASN Wikibase Occurrence # 366120
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Date: | Saturday 29 September 1990 |
Time: | 09:00 LT |
Type: | Balloon Works FIREFLY 9 |
Owner/operator: | Robert Barbarick |
Registration: | N90902 |
MSN: | F9-039 |
Fatalities: | Fatalities: 0 / Occupants: 9 |
Aircraft damage: | None |
Category: | Accident |
Location: | Vacaville, CA -
United States of America
|
Phase: | En route |
Nature: | Unknown |
Departure airport: | (NONE) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:ACCORDING TO THE PILOT, THE TWO FLIGHTS CONDUCTED EARLIER IN THE MORNING WERE NORMAL WITH WINDS IN THE 4 MPH RANGE. ON THE ACCIDENT FLIGHT, THE WINDS SUDDENLY INCREASED FROM 4 TO 12 MPH. THE PILOT THEN SAID, 'INSTANTLY, WITHOUT INDICATION, A WHIRLWIND CAUGHT THE BALLOON AND SPUN IT 360 DEGREES; A DOWNDRAFT OCCURRED WITH A DESCENT RATE OF 500 FEET PER MINUTE.' THE PILOT FURTHER STATED THAT HE WAS UNABLE TO ARREST THE RATE OF DESCENT AND THE BALLOON COLLIDED WITH A SET OF POWER LINES, THEN THE GROUND.
Probable Cause: THE BALLOON'S ENCOUNTER WITH A SUDDEN INCREASE IN WIND SPEED ACCOMPAINED BY A STRONG DOWN DRAFT BEYOND THE COMPENSATION CAPABILITY OF THE BALLOON.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | LAX90LA340 |
Status: | Investigation completed |
Duration: | 2 years |
Download report: | Final report |
|
Sources:
NTSB LAX90LA340
Revision history:
Date/time | Contributor | Updates |
20-Mar-2024 17:34 |
ASN Update Bot |
Added |
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