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ASN Wikibase Occurrence # 201512
Last updated: 23 April 2019
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Date:19-NOV-2017
Time:18:55
Type:Silhouette image of generic B407 model; specific model in this crash may look slightly different
Bell 407
Owner/operator:Air Methods
Registration: N620PA
C/n / msn: 54610
Fatalities:Fatalities: 3 / Occupants: 3
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:near DeWitt, AR (at Lodge Corner) -   United States of America
Phase: En route
Nature:Ambulance
Departure airport:Pines Bluff, AR
Destination airport:Helena, AR
Investigating agency: NTSB
Narrative:
The helicopter air ambulance flight was en route to pick up a patient when company satellite tracking was lost at an altitude about 1,250 ft mean sea level. The helicopter impacted a reservoir bank and a postimpact fire consumed a majority of the fuselage. Examination of the helicopter did not reveal any anomalies with the airframe or engine that would have precluded normal operation.

A postaccident examination of the wreckage found multiple bird remains, identified as snow geese, were located in the cockpit and embedded in the pilot's clothing and boot. Fragments of a night vision goggle (NVG) system near the pilot's position suggest that the pilot was using them for visual navigation; however, there was no moon illumination to enhance the NVG effectiveness, and it is unlikely that the pilot would have been able to visually detect the birds before impact. While the helicopter flight controls were continuous, it could not be determined if the bird strikes jammed the pilot's controls and/or incapacitated the pilot.

Probable Cause: An in-flight loss of control due to bird strikes.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20171119X32831&key=1
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N620PA

Accident investigation:
cover
  
Investigating agency: NTSB
Status: Investigation completed
Duration: 11 months
Download report: Final report


Images:


Photo: NTSB

Revision history:

Date/timeContributorUpdates
20-Nov-2017 10:36 gerard57 Added
20-Nov-2017 13:31 Aerossurance Updated [Aircraft type, Location]
20-Nov-2017 13:32 Aerossurance Updated [Location]
20-Nov-2017 16:51 Geno Updated [Time, Source]
20-Nov-2017 17:01 Geno Updated [Registration, Cn, Source]
21-Nov-2017 00:22 Iceman 29 Updated [Embed code]
21-Nov-2017 05:24 Geno Updated [Location, Departure airport, Destination airport, Embed code]
21-Nov-2017 07:19 Chieftain Updated [Embed code, Narrative]
21-Nov-2017 11:42 Iceman 29 Updated [Embed code]
01-Dec-2017 15:30 Aerossurance Updated [Operator, Source, Narrative]
14-Jan-2018 17:39 Strlyn Updated [Location, Departure airport, Destination airport, Narrative]
11-Nov-2018 08:32 ASN Update Bot Updated [Time, Operator, Departure airport, Source, Embed code, Narrative, Accident report, ]
11-Nov-2018 09:10 harro Updated [Source, Embed code, Narrative, Photo]

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