What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
9-24-2012 At 16:00 local time, N911BL, a MD-369FF (MD530F) public use aircraft was involved in an accident during an instructional flight. The pilot in command and the pilot under instruction were performing practice autorotions. On the tenth autorotation, the pilot in command was conducting a 270 degree autorotation manuever to taxiway zulu at the North Las Vegas airport. The manuever resulted in a hard landing and rollover in which the aircraft sustained substantial dammage. No injuries were reported. No post crash fire was reported.
As the FAA filed it
9-24-2012 AT 16:00 LOCAL TIME, N911BL, A MD-369FF (MD530F) PUBLIC USE AIRCRAFT WAS INVOLVED IN AN ACCIDENT DURING AN INSTRUCTIONAL FLIGHT. THE PILOT IN COMMAND AND THE PILOT UNDER INSTRUCTION WERE PERFORMING PRACTICE AUTOROTIONS. ON THE TENTH AUTOROTATION, THE PILOT IN COMMAND WAS CONDUCTING A 270 DEGREE AUTOROTATION MANUEVER TO TAXIWAY ZULU AT THE NORTH LAS VEGAS AIRPORT. THE MANUEVER RESULTED IN A HARD LANDING AND ROLLOVER IN WHICH THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMMAGE. NO INJURIES WERE REPORTED. NO POST CRASH FIRE WAS REPORTED.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.