ASN Wikibase Occurrence # 294145
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Date: | Friday 28 January 2005 |
Time: | 17:30 LT |
Type: | Robinson R22 |
Owner/operator: | Quantum Helicopters |
Registration: | N7535Z |
MSN: | 3477 |
Year of manufacture: | 2003 |
Engine model: | Lycoming O-360 Series |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Chandler, Arizona -
United States of America
|
Phase: | Unknown |
Nature: | Training |
Departure airport: | Chandler Municipal Airport, AZ (CHD/KCHD) |
Destination airport: | Chandler Municipal Airport, AZ (CHD/KCHD) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The helicopter collided with terrain following a loss of antitorque control during a practice slope landing. On the third or fourth practice landing, the helicopter's skids were positioned so that the rear portions angled downwards toward lower terrain. As the student pilot configured the flight controls to remove the load off the rotor blades, the tail of the helicopter began to tip backwards. The CFI took control of the helicopter and added power to prevent the tail rotor from striking terrain. The helicopter responded by rotating to the right about the vertical axis. The CFI attempted to maintain level flight and counteract the spin by applying antitorque pedal input, but was unable to maintain control of the helicopter. After four or five revolutions to the right, the helicopter's right front section impacted terrain
Probable Cause: the certified flight instructor's inadequate use of the antitorque control pedals while adding throttle, which led to a loss of directional control.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | LAX05CA078 |
Status: | Investigation completed |
Duration: | 3 months |
Download report: | Final report |
|
Sources:
NTSB LAX05CA078
History of this aircraft
Other occurrences involving this aircraft
27 April 2007 |
N7535Z |
Ocean Helicopters Inc., |
0 |
West Palm Beach, Florida |
|
sub |
Revision history:
Date/time | Contributor | Updates |
10-Oct-2022 17:52 |
ASN Update Bot |
Added |
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