What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
N217AT, bushby mustang ii home built, ground looped on landing at Apple Valley airport runway 18. The aircraft touched down in a three point attitude with Mr. Bruhnke rapidly over controlling the rudder causing the aircraft's direction of travel to be erratic. Mr bruhnke applied full right rudder then full left rudder causing the aircraft to swerve right then rapidly left. The CFI (caraway) applied full left rudder to correct. The aircraft departed the runway's left side, collapsed its gear and rotated left to a heading of 330 degrees.
As the FAA filed it
N217AT, BUSHBY MUSTANG II HOME BUILT, GROUND LOOPED ON LANDING AT APPLE VALLEY AIRPORT RUNWAY 18. THE AIRCRAFT TOUCHED DOWN IN A THREE POINT ATTITUDE WITH MR. BRUHNKE RAPIDLY OVER CONTROLLING THE RUDDER CAUSING THE AIRCRAFT'S DIRECTION OF TRAVEL TO BE ERRATIC. MR BRUHNKE APPLIED FULL RIGHT RUDDER THEN FULL LEFT RUDDER CAUSING THE AIRCRAFT TO SWERVE RIGHT THEN RAPIDLY LEFT. THE CFI (CARAWAY) APPLIED FULL LEFT RUDDER TO CORRECT. THE AIRCRAFT DEPARTED THE RUNWAY'S LEFT SIDE, COLLAPSED ITS GEAR AND ROTATED LEFT TO A HEADING OF 330 DEGREES.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.