ASN Wikibase Occurrence # 74633
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Date: | Monday 31 May 2010 |
Time: | 19:15 |
Type: | Hughes 269A |
Owner/operator: | Private |
Registration: | N8897F |
MSN: | 83-0274 |
Year of manufacture: | 1963 |
Total airframe hrs: | 3265 hours |
Engine model: | Lycoming HO-360 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | near Vasa Township, MN -
United States of America
|
Phase: | En route |
Nature: | Private |
Departure airport: | Cannon Falls, MN (PVT) |
Destination airport: | Cannon Falls, MN (PVT) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The pilot reported that shortly after liftoff he noticed a “disturbing vibration” in the helicopter. He elected to initiate an autorotation to an open agricultural field. The pilot stated that he executed a 180-degree turn in order to avoid a tree line. He noted that the rotor speed got too low and he was unable to reduce the sink rate, which resulted in a hard landing. The main rotor contacted and separated the tail boom and the right landing skid collapsed during the accident sequence. The pilot noted that additional practice in autorotation descents and landings might have prevented the accident.
Probable Cause: The pilot's failure to maintain rotor speed during the autorotation, which resulted in an excessive sink rate and a hard landing.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CEN10CA280 |
Status: | Investigation completed |
Duration: | 4 months |
Download report: | Final report |
|
Sources:
NTSB
Location
Revision history:
Date/time | Contributor | Updates |
03-Jun-2010 02:16 |
RobertMB |
Added |
21-Dec-2016 19:25 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
24-Jun-2017 17:04 |
Aerossurance |
Updated [Time, Operator, Location, Narrative] |
26-Nov-2017 17:13 |
ASN Update Bot |
Updated [Time, Total occupants, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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