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ASN Wikibase Occurrence # 36055
Last updated: 1 December 2020
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Date:22-JUL-1995
Time:18:37
Type:Silhouette image of generic B06 model; specific model in this crash may look slightly different
Bell 206L-3 LongRanger III
Owner/operator:private
Registration: N111JA
C/n / msn: 51274
Fatalities:Fatalities: 1 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Borger, TX -   United States of America
Phase: En route
Nature:Private
Departure airport:Amarillo, TX (TDW)
Destination airport:Unk/Nr (NONE)
Investigating agency: NTSB
Narrative:
ACCORDING TO THE PILOT, HE NOTICED THUNDERSTORMS 'DEVELOPING RAPIDLY' TO THE LEFT OF HIS FLIGHT PATH; HOWEVER, 'THEY APPEARED TO BE AT A SAFE DISTANCE.' HE FURTHER REPORTED THAT, HE NOTICED DUST PICKING UP ON THE GROUND, ALONG WITH SOME DEBRIS, ABOUT 1/2 MILE AHEAD, AND TO THE LEFT OF HIS FLIGHT PATH. AFTER INITIATING A TURN TO THE RIGHT, AWAY FROM THE STORM AREA, HE 'COULD NOT CONTROL THE HELICOPTER', AND DOES NOT RECALL THE ENSUING GROUND IMPACT. DOPPLER RADAR IMAGES, FOR THE TIME AND AREA OF THE ACCIDENT, SHOW RAPIDLY DEVELOPING WEATHER ECHOES IN THE VICINITY OF THE ACCIDENT SITE. ALSO, BASE VELOCITY DATA, AT THE APPROXIMATE TIME OF THE ACCIDENT, SHOW A SIGNIFICANT THUNDERSTORM OUTFLOW BOUNDARY LOCATED JUST NORTHWEST OF THE ACCIDENT SITE. SEVERAL WITNESSES, IN THE VICINITY OF THE ACCIDENT SITE, REPORTED HIGH WINDS AND TURBULENT CONDITIONS. ALL STRUCTURAL COMPONENTS, TAIL AND MAIN ROTOR DRIVE SYSTEMS, ENGINE COMPONENTS, AND FLIGHT CONTROLS, THAT WERE NOT DESTROYED BY IMPACT FORCES AND POSTIMPACT FIRE, DID NOT REVEAL EVIDENCE OF FAILURE PRIOR TO IMPACT. CAUSE: THE PILOT'S LOSS OF CONTROL DUE TO AN ENCOUNTER WITH A DUST DEVIL/WHIRLWIND AND THE TURBULENCE AND HIGH WIND ASSOCIATED WITH THUNDERSTORM OUTFLOW.

Sources:

NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001207X03933


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:22 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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