On November 27, 1992, a Hughes 369HS (registration N9228F) operated by Kenram Corp was involved in an aviation accident near Scotts Mills, OR. Investigators recorded the probable cause as: the pilot's failure to maintain adequate control during a hard landing while practicing Christmas tree logging techniques, which resulted in the rotor blades striking the tail boom. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A helicopter sustained damage when its rotor blades struck the tail boom during a hard landing while practicing techniques for Christmas tree logging operations.
What happened
The pilot was in the process of learning specific techniques associated with Christmas tree logging operations. An experienced pilot was aboard the aircraft to provide coaching and instruction on these specialized maneuvers. During one approach toward a target, which consisted of a 55-gallon drum, the helicopter executed a hard landing. As a result of this impact, the rotor blades struck the tail boom. A witness observed the helicopter appearing to settle with power during the incident.
The investigation
The examination focused on the mechanics of the landing and the subsequent damage to the airframe. The primary finding was the physical contact between the rotating main rotor system and the rear fuselage structure, specifically the tail boom, following the hard landing event.
Probable cause
the pilot's failure to maintain adequate control during a hard landing while practicing Christmas tree logging techniques, which resulted in the rotor blades striking the tail boom
Frequently asked questions
What happened in the 27 Nov 1992 Hughes 369HS accident near Scotts Mills, OR?
A helicopter sustained damage when its rotor blades struck the tail boom during a hard landing while practicing techniques for Christmas tree logging operations.
What aircraft was involved and where did it happen?
The accident on 27 Nov 1992 involved a Hughes 369HS, registration N9228F, operated by Kenram Corp, at Scotts Mills, OR.
What was the probable cause of the accident?
the pilot's failure to maintain adequate control during a hard landing while practicing Christmas tree logging techniques, which resulted in the rotor blades striking the tail boom
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