ASN Wikibase Occurrence # 289283
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Date: | Friday 27 May 2011 |
Time: | 07:30 LT |
Type: | Bell 206B3 |
Owner/operator: | N57aw LLC |
Registration: | N59383 |
MSN: | 1150 |
Year of manufacture: | 1973 |
Total airframe hrs: | 14256 hours |
Engine model: | Rolls Royce 250C20 |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Glendale, Arizona -
United States of America
|
Phase: | En route |
Nature: | Training |
Departure airport: | Glendale Municipal Airport, AZ (KGEU) |
Destination airport: | Glendale Municipal Airport, AZ (KGEU) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The certified flight instructor reported that the purpose of the flight was to demonstrate a variety of maneuvers to the student in the helicopter. Near the end of the flight the instructor demonstrated a power-on autorotation; however, he delayed the application of power and did not have sufficient rotor RPM to recover the helicopter before impacting the ground. Upon ground impact, the helicopter's tail rotor drive shaft and main rotor blades were damaged. The pilot reported no preimpact mechanical malfunctions of failures with the airframe or the engine that would have precluded normal operation.
Probable Cause: The certified flight instructor's failure to maintain adequate main rotor RPM during the autorotation.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | WPR11CA243 |
Status: | Investigation completed |
Duration: | 2 months |
Download report: | Final report |
|
Sources:
NTSB WPR11CA243
Location
Revision history:
Date/time | Contributor | Updates |
05-Oct-2022 11:57 |
ASN Update Bot |
Added |
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