Accident Robinson R22B N1122R, Sunday 16 January 2005
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Date:Sunday 16 January 2005
Time:14:40 LT
Type:Silhouette image of generic R22 model; specific model in this crash may look slightly different    
Robinson R22B
Owner/operator:Universal Air Academy
Registration: N1122R
MSN: 3197
Year of manufacture:2001
Engine model:Lycoming O-360
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Rialto, California -   United States of America
Phase: Unknown
Nature:Training
Departure airport:El Monte-San Gabriel Valley Airport, CA (EMT/KEMT)
Destination airport:Rialto, CA (L67)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
During a practice full-touchdown autorotation, the main rotor blades struck and severed the tail boom. The certified flight instructor (CFI) said that the purpose of the flight was to prepare the commercial pilot (student) for his CFI check ride and they were performing full touchdown autorotations. The helicopter was aligned with the centerline of the south taxiway. At 60 feet agl, the student flared the helicopter and then leveled it for a full touchdown autorotation. When the helicopter was 1 foot agl, the student pushed the cyclic forward and the forward tips of the skids touched the ground. The helicopter rotated aft, and the CFI assumed the controls and leveled the helicopter. Upon touchdown, the main rotor blades contacted the tail boom. The CFI noted no mechanical malfunctions with the helicopter.

Probable Cause: the student pilot's improper use of the cyclic control during a practice autorotation, and the inadequate supervision by the certified flight instructor.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: LAX05CA071
Status: Investigation completed
Duration: 3 months
Download report: Final report

Sources:

NTSB LAX05CA071

Revision history:

Date/timeContributorUpdates
10-Oct-2022 18:15 ASN Update Bot Added

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