Summary
On June 17, 1991, a Robinson R-22B (N4034K) was involved in an incident near Phoenix, AZ. All 2 people aboard were uninjured. The aircraft was destroyed.
The National Transportation Safety Board determined the probable cause of this incident to be: THE FAILURE OF THE STUDENT TO MAINTAIN THE PROPER ROTOR RPM WHILE PERFORMING A PRACTICE AUTOROTATION, AND, THE FAILURE OF THE FLIGHT INSTRUCTOR TO PROPERLY SUPERVISE THE CONDUCT OF THE FLIGHT AND TO TAKE TIMELY CORRECTIVE ACTION.
This incident is documented in NTSB report LAX91LA264. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N4034K.
Accident Details
Probable Cause and Findings
THE FAILURE OF THE STUDENT TO MAINTAIN THE PROPER ROTOR RPM WHILE PERFORMING A PRACTICE AUTOROTATION, AND, THE FAILURE OF THE FLIGHT INSTRUCTOR TO PROPERLY SUPERVISE THE CONDUCT OF THE FLIGHT AND TO TAKE TIMELY CORRECTIVE ACTION.
Aircraft Information
Registered Owner (Historical)
Data Source
Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# LAX91LA264