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ASN Wikibase Occurrence # 161748
Last updated: 17 August 2021
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Type:Silhouette image of generic B06 model; specific model in this crash may look slightly different
Bell 206B JetRanger II
Owner/operator:Timberland Helicopters
Registration: N16673
MSN: 2088
Fatalities:Fatalities: 0 / Occupants: 3
Aircraft damage: Substantial
Location:South Umpqua River, Days Creek, OR -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Departure airport:Roseburg, OR (RBG)
Destination airport:Roseburg, OR (RBG)
Investigating agency: NTSB
The pilot stated that the purpose of the flight was for the two passengers, who were both biologists, to conduct a low-level river/land survey. Prior to departure, the pilot discussed the route of flight with the passengers and they all reviewed the maps and sectionals for possible hazards with an emphasis on wire crossings. After departure, the pilot attempted to facilitate the biologists' view out the windows by maneuvering the helicopter in a crab angle with the flight path tracking down the riverbank and the nose pointing left. The pilot maintained an altitude just above tree-top level and about an hour into the flight the pilot observed the first high power line crossing. Approximately 20 minutes thereafter, one of the passengers called attention to another line crossing, which was equipped with marker balls.

The pilot stated that as they continued, the river divided into numerous channels and one of the passengers advised him which path to follow. After surveying one of the channels, he maneuvered the helicopter in a 90-degree turn to circle back and then it was decided they did not need to return to the channel's origin. The pilot then made a left turn to adjoin the river and immediately observed blue sparks and a wire contact on the upper windscreen bubble. The helicopter was substantially damaged after it descended and came to rest in 4.5 feet of water about 50 feet from the power line.

The pilot reported no preimpact mechanical malfunctions or failures with the helicopter that would have precluded normal operation.
Probable Cause: The pilot's failure to see and avoid wires while maneuvering at a low-altitude, which resulted in the main rotor blades striking the wires.



Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Download report: Final report

Revision history:

28-Oct-2013 20:40 gerard57 Added
28-Oct-2013 20:55 harro Updated [Aircraft type, Registration, Cn, Total fatalities, Other fatalities, Location, Narrative]
28-Oct-2013 22:22 Geno Updated [Time, Operator, Total occupants, Location, Source, Narrative]
31-Oct-2013 02:13 Geno Updated [Phase, Nature, Departure airport, Destination airport, Source, Narrative]
21-Dec-2016 19:28 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
29-Nov-2017 09:17 ASN Update Bot Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative]

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