What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) The restricted catagory helicopter engine failed while operating under part 133. A 1,700 pound external load, on a 100 foot line, was atttached to the hook. The operation was being conducted at 9,000 density altitude in 81 degrees f. the pilot and round personnel reported several loud reports and torching in the tailpipe. The aircraft landed hard on downward sloping terrain.
As the FAA filed it
(-23) THE RESTRICTED CATAGORY HELICOPTER ENGINE FAILED WHILE OPERATING UNDER PART 133. A 1,700 POUND EXTERNAL LOAD, ON A 100 FOOT LINE, WAS ATTTACHED TO THE HOOK. THE OPERATION WAS BEING CONDUCTED AT 9,000 DENSITY ALTITUDE IN 81 DEGREES F. THE PILOT AND ROUND PERSONNEL REPORTED SEVERAL LOUD REPORTS AND TORCHING IN THE TAILPIPE. THE AIRCRAFT LANDED HARD ON DOWNWARD SLOPING TERRAIN.
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 N3276T · 1
Matched to the same aircraft by N-number and date.