A Bond Aviation EC135 leased to the police crashed at around 10:20 p.m. on November 29, killing three crew members and seven people inside the packed building. A witness described hearing a noise like a loud misfiring car followed by silence. He said he also saw the helicopter descending at a high vertical rate.
A report by Britain's Air Accidents Investigation Branch (AAIB) said neither the main nor the tail rotor was turning when the helicopter crashed through the roof of the pub. Investigators say they have so far found no evidence of engine or gearbox failure in the helicopter.
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