What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-5)On 08-07-98 at 1430 CDT, a Eurocopter, N189ND, owned by the university of north dakota and flown by ronald depue encountered damage to the tail rotor blades during a training flight at Grand Forks, ND. While practicing landings the tail rotor struck a plastic traffic cone used to identify the landing zone. A post flight inspection revealed damage to the tail rotor assembly which was determined to be unairworthy be the manufacturer.
As the FAA filed it
(-5)ON 08-07-98 AT 1430 CDT, A EUROCOPTER, N189ND, OWNED BY THE UNIVERSITY OF NORTH DAKOTA AND FLOWN BY RONALD DEPUE ENCOUNTERED DAMAGE TO THE TAIL ROTOR BLADES DURING A TRAINING FLIGHT AT GRAND FORKS, ND. WHILE PRACTICING LANDINGS THE TAIL ROTOR STRUCK A PLASTIC TRAFFIC CONE USED TO IDENTIFY THE LANDING ZONE. A POST FLIGHT INSPECTION REVEALED DAMAGE TO THE TAIL ROTOR ASSEMBLY WHICH WAS DETERMINED TO BE UNAIRWORTHY BE THE MANUFACTURER.