ASN Wikibase Occurrence # 224756
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| Date: | Saturday 4 May 2019 |
| Time: | 08:45 LT |
| Type: |  Bell 206B JetRanger |
| Owner/operator: | Aspen Ag Helicopters Inc |
| Registration: | N49643 |
| MSN: | 1813 |
| Year of manufacture: | 1975 |
| Total airframe hrs: | 20629 hours |
| Engine model: | Rolls Royce 250 C-20B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Oxnard, Ventura County, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Oxnard Airport, CA (OXR/KOXR) |
| Oxnard Airport, CA (OXR/KOXR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The operator reported that this was the helicopters third flight of the day. However, this was the first paint material load of the day. As the pilot made his third pass over the greenhouses, he noticed that he was using more left cyclic to maintain level flight. He continued to spray in attempt to correct any load imbalances, however, the helicopter continued to lean further to the right. The pilot maneuvered away from the greenhouses. The helicopter's right turn continued to increase until it impacted the ground at about a 45o bank. A post impact fire ensued and completely consumed the helicopter.
The operator further reported that the helicopter was equipped with 2, 60-gallon mixture tanks mounted on each side of the aircraft. The tanks were connected through a transfer equalizing tube which fed a centrally located electric pump. The pump then sent the wash through the spray booms. The operator mentioned that they believe one of the mixture tanks stopped transferring, which would cause the helicopter to be imbalanced. Due to the destruction of the helicopter during impact and the post impact fire there was not enough evidence to determine if there were any mechanical anomalies with the helicopter or spray system.
Probable Cause: The pilot's inability to maintain control of the helicopter while maneuvering at a low altitude due to reasons that could not be determined based on available evidence.
Accident investigation:
 |
|
Sources:
NTSB WPR19LA135
History of this aircraft
Other occurrences involving this aircraft
| 22 March 1986 | N49643 | Aspen Helicopter, Inc. | 0 | Huntington Bch, CA | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-May-2019 18:55 | Captain Adam | Added |
| 04-May-2019 18:56 | Captain Adam | Updated [Date] |
| 04-May-2019 21:50 | RobertMB | Updated [Time, Location, Phase, Nature, Source, Narrative] |
| 05-May-2019 19:20 | Geno | Updated [Aircraft type, Operator, Source] |
| 06-May-2019 11:30 | RobertMB | Updated [Aircraft type, Registration, Cn, Operator, Source, Narrative] |
| 07-May-2019 14:04 | Captain Adam | Updated [Aircraft type, Registration, Cn, Source, Narrative] |
| 02-Jul-2022 09:05 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Damage, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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