What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
M/r blades flexed into tail boom.
As the FAA filed it
M/R BLADES FLEXED INTO TAIL BOOM.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.
Other reports on N5226 · 4
Matched to the same aircraft by N-number and date.
Accident 20011201034399ASfl Autorotation · Ardmore, OK(.19) On December 1, 2001, at 1030 central standard time, a Bell 47D1 helicopter, N5226, was substantially damaged during a practice autorotational landing at the Ardmore Downtown Executive Airport near Ardmore, Oklahoma. The helicopter was registered to a…Accident 19960426008929ALevel Off Touchdown · Ardmore, OKFamiliarzation flight student landed short in tall grass. Tried takeoff with skid in soft earth. Rolled on side. (-23) during a familiarization flight in the Bell 47D helicopter, the helicopter rated student landed the aircraft in tall grass approximately 50…Accident 19841207076719ASfl Autorotation · Ardmore, OKDuring power recovery by CFI aircraft struck 3 power lines. Impacted ground in right nose down attitude.Accident 19751207038429ASfl Autorotation · Irving, TXPractice autorotation.