ASN Wikibase Occurrence # 291412
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Date: | Tuesday 3 May 2016 |
Time: | 17:20 LT |
Type: | Robinson R22 |
Owner/operator: | Hillsboro Aero Academy LLC. |
Registration: | N227SH |
MSN: | 4009 |
Year of manufacture: | 2006 |
Total airframe hrs: | 7792 hours |
Engine model: | Lycoming O-360-J2A |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Troutdale, Oregon -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Training |
Departure airport: | Troutdale Airport, OR (TTD/KTTD) |
Destination airport: | Troutdale Airport, OR (TTD/KTTD) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The flight instructor reported that he was practicing hover flight in a helicopter over soft grass at a height of 5 to 7 feet above the ground with a student pilot on his second training flight. The flight instructor further reported that he was controlling the collective and anti-torque pedals, and the student pilot was controlling the cyclic control. During the hover, the flight instructor reported that he became fixated on the manifold pressure gauge and did not notice that the helicopter was moving forward and descending. Subsequently, the helicopter's right skid impacted the ground and rolled over.
The main rotor drive shaft and tailboom were substantially damaged.
The flight instructor did not report any mechanical malfunctions or failures with the helicopter that would have precluded normal operation.
Probable Cause: The flight instructor's failure to monitor outside the helicopter during hover flight, which resulted in a collision with terrain and rollover.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | GAA16CA213 |
Status: | Investigation completed |
Duration: | 1 month |
Download report: | Final report |
|
Sources:
NTSB GAA16CA213
Location
Revision history:
Date/time | Contributor | Updates |
07-Oct-2022 13:32 |
ASN Update Bot |
Added |
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