What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Instructor and student were flying south of the Emmett, Idaho airport. The instructor was going to demonstrate an off-airport autorotation. The instructor reported his altitude at 400 AGL and his airspeed at 55 knots on entry. His intention was a power recovery at 200 AGL, but at that altitude and airspeed he did not have the energy to recover before impacting the ground and rolling the helicopter.
As the FAA filed it
INSTRUCTOR AND STUDENT WERE FLYING SOUTH OF THE EMMETT, IDAHO AIRPORT. THE INSTRUCTOR WAS GOING TO DEMONSTRATE AN OFF-AIRPORT AUTOROTATION. THE INSTRUCTOR REPORTED HIS ALTITUDE AT 400 AGL AND HIS AIRSPEED AT 55 KNOTS ON ENTRY. HIS INTENTION WAS A POWER RECOVERY AT 200 AGL, BUT AT THAT ALTITUDE AND AIRSPEED HE DID NOT HAVE THE ENERGY TO RECOVER BEFORE IMPACTING THE GROUND AND ROLLING THE HELICOPTER.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.