What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Huey helicopter hovering in air at approximately 30 ft (witness) causing rotor wash to disrupt landing of Cessna 120. Prior to touchdown, rotor wash created lift and aircraft rolled over and came to rest on its nose. Sheriff helicopter standard operating procedures is to hover much higher than required, causing undue rotor wash.
As the FAA filed it
HUEY HELICOPTER HOVERING IN AIR AT APPROXIMATELY 30 FT (WITNESS) CAUSING ROTOR WASH TO DISRUPT LANDING OF CESSNA 120. PRIOR TO TOUCHDOWN, ROTOR WASH CREATED LIFT AND AIRCRAFT ROLLED OVER AND CAME TO REST ON ITS NOSE. SHERIFF HELICOPTER STANDARD OPERATING PROCEDURES IS TO HOVER MUCH HIGHER THAN REQUIRED, CAUSING UNDUE ROTOR WASH.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.