ASN Wikibase Occurrence # 207327
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Date: | Saturday 10 March 2018 |
Time: | 14:30 |
Type: | Hughes 269A |
Owner/operator: | Skypro Industries Inc |
Registration: | N9020M |
MSN: | 64-18188 |
Year of manufacture: | 1964 |
Total airframe hrs: | 4093 hours |
Engine model: | Lycoming HIO-360-B1A |
Fatalities: | Fatalities: 0 / Occupants: 1 |
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 |
Confidence Rating: | Accident investigation report completed and information captured |
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 pilot’s failure to maintain rotor rpm during a practice autorotation, which resulted in ground contact and a dynamic rollover.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | GAA18CA159 |
Status: | Investigation completed |
Duration: | 6 months |
Download report: | Final report |
|
Sources:
NTSB
FAA register:
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=9020M Location
Images:
Photo: NTSB
Revision history:
Date/time | Contributor | Updates |
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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