On October 12, 1991, a Bell 47G-3B-1 (registration N5NH) operated by Sutliff Farms was involved in an aviation accident near Catawissa, PA. Investigators recorded the probable cause as: PILOT FACTOR IN THAT THE PILOT USED POOR JUDGEMENT AND LOADED MORE PASSENGERS THAN WERE SEATS ON THE HELICOPTER THIS RESULTED IN CONTROL INTERFERENCE AND SUBSEQUENT LOSS OF CONTROL. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A helicopter with functioning dual controls overturned after takeoff when the pilot experienced an uncontrolled right turn and the right skid struck the ground. Post-crash examination revealed the center of gravity was 1.3 inches forward of the forward limit.
Incident Overview
A helicopter equipped with functioning dual controls was being used for a sightseeing flight. The pilot boarded three passengers—two large adults and one child—with a combined weight of 520 pounds. All three passengers occupied a double seat and were restrained by a single seat belt.
Sequence of Events
After takeoff, the pilot encountered an uncontrolled right turn. The helicopter's right skid subsequently contacted the ground, causing the aircraft to flip over. The pilot reported that the cyclic control was jammed against one of the passengers' legs.
Post-Crash Examination
An examination of the helicopter's weight and balance following the accident disclosed that the takeoff center of gravity was located 1.3 inches forward of the forward limit.
Frequently asked questions
What happened in the 12 Oct 1991 Bell 47G-3B-1 accident near Catawissa, PA?
A helicopter with functioning dual controls overturned after takeoff when the pilot experienced an uncontrolled right turn and the right skid struck the ground. Post-crash examination revealed the center of gravity was 1.3 inches forward of the forward limit.
What aircraft was involved and where did it happen?
The accident on 12 Oct 1991 involved a Bell 47G-3B-1, registration N5NH, operated by Sutliff Farms, at Catawissa, PA.
What was the probable cause of the accident?
PILOT FACTOR IN THAT THE PILOT USED POOR JUDGEMENT AND LOADED MORE PASSENGERS THAN WERE SEATS ON THE HELICOPTER THIS RESULTED IN CONTROL INTERFERENCE AND SUBSEQUENT LOSS OF CONTROL. CONTRIBUTING WAS THE PILOT'S FAILURE TO CHECK THE WEIGHT AND BALANCE FOR THE FLIGHT WHICH RESULTED IN FLIGHT OUTSIDE THE FORWARD LIMITS.
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