Summary
On March 05, 1994, a Bell 47-62 (N6711D) was involved in an incident near Aurora, MO. All 2 people aboard were uninjured. The aircraft sustained substantial damage.
The National Transportation Safety Board determined the probable cause of this incident to be: THE DUAL STUDENTS INADEQUATE FLARE AND THE PILOT IN COMMAND'S (FLIGHT INSTRUCTOR) DELAYED REMEDIAL ACTION.
On March 5, 1994, at 1315 central standard time, a Bell 47-G2, N6711D, operated as an instructional flight, sustained substantial damage when it landed hard while practicing autorotations at the airport in Aurora, Missouri. The Airline Transport Pilot/Certificated Flight Instructor (CFI) and the Commercially certificated dual student reported no injuries. Visual meteorological conditions prevailed for the flight, no flight plan was filed. The flight operated under 14 CFR Part 91, and originated from Aurora, Missouri, approximately 1230.
Both pilots reported the purpose of the local flight was to practice autorotational landings. The CFI stated the student satisfactorily completed several normal and 180 degree autorotational landings during the flight.
This incident is documented in NTSB report CHI94LA133. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N6711D.
Accident Details
Probable Cause and Findings
THE DUAL STUDENTS INADEQUATE FLARE AND THE PILOT IN COMMAND'S (FLIGHT INSTRUCTOR) DELAYED REMEDIAL ACTION.
Aircraft Information
Registered Owner (Current)
Analysis
On March 5, 1994, at 1315 central standard time, a Bell 47-G2, N6711D, operated as an instructional flight, sustained substantial damage when it landed hard while practicing autorotations at the airport in Aurora, Missouri. The Airline Transport Pilot/Certificated Flight Instructor (CFI) and the Commercially certificated dual student reported no injuries. Visual meteorological conditions prevailed for the flight, no flight plan was filed. The flight operated under 14 CFR Part 91, and originated from Aurora, Missouri, approximately 1230.
Both pilots reported the purpose of the local flight was to practice autorotational landings. The CFI stated the student satisfactorily completed several normal and 180 degree autorotational landings during the flight. The student initiated another 180 degree autorotation. The CFI stated everything was normal as the autorotation was initiated. He reported the rotor RPM climbed during the turn, but this was corrected by the student. The CFI realized the closure rate was too fast and the flare was not sufficient to slow the rate of descent. As he reached for the controls, the helicopter contacted the ground on the rear one third portion of the skids, then bounced. The CFI reported the main rotor blades struck the tail rotor drive shaft, and the helicopter began to rotate to the right. The helicopter bounced again and came to a stop approximately 220 degrees from the touchdown heading.
Data Source
Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# CHI94LA133