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ASN Wikibase Occurrence # 190704
Last updated: 16 October 2019
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Date:16-OCT-2016
Time:17:40
Type:Silhouette image of generic RV4 model; specific model in this crash may look slightly different
Van's RV-4
Owner/operator:Private
Registration: N2626C
C/n / msn: 1775
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Warren County, Turtlecreek Township, OH -   United States of America
Phase: Unknown
Nature:Private
Departure airport:Wilmington, OH (PVT)
Destination airport:Wilmington, OH (PVT)
Investigating agency: NTSB
Narrative:
The private pilot and passenger in the experimental, amateur-built airplane were seen flying at low altitude by several witnesses in various locations before the accident. The witnesses reported the engine was operating before the airplane descended into trees. Postaccident examination of the airplane, wreckage path, and a nearby zipline revealed damage consistent with the outboard section of the right wing having contacted the 1/2-inch galvanized zipline cable. There were no mechanical malfunctions or anomalies with the airplane or engine.

The cable ran between wooden platforms on the east and west sides of a river about 170 ft above ground level. The location of the platforms in wooded areas and the fact that the cable was unmarked likely made the zipline difficult to see. Witness statements and the accident scenario indicate the pilot operated the airplane at extremely low altitudes throughout the flight.

Toxicological testing of the pilot was positive for ethanol and tetrahydrocannabinol (THC, the primary psychoactive substance in marijuana). The blood level of ethanol was below the regulatory limit; however, pilots may be impaired below this threshold. The finding of THC indicated that the pilot had used marijuana sometime before the accident; however, since there is no accepted relationship between blood levels and degree of impairment, whether the impairing effects of THC contributed to the accident could not be determined.

Probable Cause: The pilot's decision to fly at a low altitude, which resulted in the collision with a zipline.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20161016X94347&key=1
https://www.google.com/maps/@39.3985732,-84.1054822,18z/data=!3m1!1e3?hl=en-us&dg=dbrw&newdg=1

Accident investigation:
cover
  
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 6 months
Download report: Final report

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Images:



Photo: NTSB

Revision history:

Date/timeContributorUpdates
16-Oct-2016 23:58 Geno Added
17-Oct-2016 00:09 Geno Updated [Total fatalities, Total occupants, Source, Narrative]
17-Oct-2016 08:20 Iceman 29 Updated [Source, Embed code, Narrative]
17-Oct-2016 14:42 gerard57 Updated [Aircraft type, Operator, Source]
17-Oct-2016 16:50 harro Updated [Aircraft type]
17-Oct-2016 16:51 harro Updated [Registration, Cn, Source]
17-Oct-2016 18:48 junior sjc Updated [Source, Narrative]
18-Oct-2016 19:16 Iceman 29 Updated [Nature, Embed code]
20-Apr-2018 20:45 Iceman 29 Updated [Time, Departure airport, Destination airport, Source, Embed code, Narrative]
20-Apr-2018 20:47 Iceman 29 Updated [Embed code, Narrative, Photo, ]
22-Apr-2018 19:30 ASN Update Bot Updated [Time, Source, Embed code, Narrative]
22-Apr-2018 19:57 harro Updated [Source, Embed code, Narrative, Photo, ]
22-Apr-2018 19:57 harro Updated [Embed code]

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