What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Aircraft departed northern light hospital in blue hill, Maine with 4 persons on board. The pilot experienced a main rotor blade vibration and performed an emergency landing in a field in Penobscot, Maine. Lat/long: N44.31.24, W68.38.42. Post flight inspection revealed that the tip of one rotor blade had become de-laminated.
The blade was replaced and the aircraft returned to service. The blade has bee retained for further examination, see NTSB engineering investigation number ENG201A005.
As the FAA filed it
AIRCRAFT DEPARTED NORTHERN LIGHT HOSPITAL IN BLUE HILL, MAINE WITH 4 PERSONS ON BOARD. THE PILOT EXPERIENCED A MAIN ROTOR BLADE VIBRATION AND PERFORMED AN EMERGENCY LANDING IN A FIELD IN PENOBSCOT, MAINE. LAT/LONG: N44.31.24, W68.38.42. POST FLIGHT INSPECTION REVEALED THAT THE TIP OF ONE ROTOR BLADE HAD BECOME DE-LAMINATED.
THE BLADE WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE. THE BLADE HAS BEE RETAINED FOR FURTHER EXAMINATION, SEE NTSB ENGINEERING INVESTIGATION NUMBER ENG201A005.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.