Website NEWS … World Rotors, Eurocopter EC155B1 D-HNHD. Posted by dgualdo on 09/04/2018 Posted in: Website NEWS, World Helicopter NEWS. Tagged: Andreas HOFFMANN, D-HNHD, EC155B1, Emden, Eurocopter, NHV, Northern Helicopters, OO-NHT. Thanks to Andreas HOFFMANN for this beautiful image of the Eurocopter EC155B1 Northern Helicopters D-HNHD … previously operated by NHV as OO-NHT. Emden Airport, April 2018.