The AAIB said it was sending investigators to the site after “one of the persons on board passed away”.
Investigators had been carrying out the inquiry by correspondence, without visiting the site.
But it said in a statement it had now become a “field investigation” following the death.
The wreckage was removed from Breighton airfield, where a 1940s themed event of classic aircrafts was being hosted.
Man dies after helicopter crash (From York Press)
As the ac has already been removed and the area presumably tidied up, how does this affect the investigation? Out of interest, where was the airframe taken to and had the paperwork already been impounded?