Hi all
http://www.bfu-web.de/DE/Publikation...ublicationFile
page 12 following - findings to the accident.
The pilot increased the distance to a groundtarget sideslipping with a groundspeed of about 30 knots when the helicopter slowly turned sideways and increased turnrate, when going through 90 degrees - resulting in four and a half turns, before crashing with a high rate of decend.