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ASN Wikibase Occurrence # 207327
Last updated: 18 September 2020
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Date:10-MAR-2018
Time:14:30
Type:Silhouette image of generic H269 model; specific model in this crash may look slightly different
Hughes 269A
Owner/operator:Skypro Industries Inc
Registration: N9020M
C/n / msn: 64-18188
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Duvall County, east Jacksonville, FL -   United States of America
Phase: Landing
Nature:Private
Departure airport:Jacksonville, FL (CRG)
Destination airport:Jacksonville, FL (CRG)
Investigating agency: NTSB
Narrative:
The helicopter pilot reported that he entered a practice autorotation and intended to terminate the maneuver to a hover. During the flare phase of the maneuver, he allowed the rotor rpm to decay. He increased collective and subsequently added power with throttle. The nose of the helicopter yawed to the right and simultaneously the fuselage rolled to the left. He applied left pedal, but the left skid struck rising terrain and the helicopter entered dynamic rollover.
The helicopter sustained substantial damage to the main rotor drive system and the tail rotor drive system.†
The pilot reported that there were no mechanical malfunctions or failures with the helicopter that would have precluded normal operation.

Probable Cause: The pilotís failure to maintain rotor rpm during a practice autorotation, which resulted in ground contact and a dynamic rollover.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20180312X11452&key=1

FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=9020M

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


Images:


Photo: NTSB

Revision history:

Date/timeContributorUpdates
10-Mar-2018 22:01 Geno Added
10-Mar-2018 22:06 Geno Updated [Source]
10-Mar-2018 22:11 Iceman 29 Updated [Time, Source, Embed code]
16-Sep-2018 18:15 ASN Update Bot Updated [Time, Nature, Departure airport, Destination airport, Source, Narrative, Accident report, ]
16-Sep-2018 18:54 harro Updated [Source, Embed code, Narrative, Photo]

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