Model Types ModelDel'dFromTo Aerospatiale AS350B Ecureuil Eurocopter EC120B Robinson R44 Astro Robinson R44 Raven II Sikorsky S-61N Mk.II List of Aircraft Model C/N Built ID R44 Raven II 10063 2003LN-OBO : MidtNorsk Helikopterservice EC120B 1492 2007LN-OCD : Midtnorsk Helikopterservice AS from May19 R44 Astro 0024 w/o 2010 1993LN-OCV : MidtNorsk Helikopterservice : w/o 27jan10 fatal crash near Horten, Norway S-61N Mk.II 61-757 1976LN-OQH : S-61N-60 d/d Helikopter Services 27oct76 S-61N Mk.II 61-808 1978LN-OQN : Sikorsky S-61N-77, c/n 61-808, ff:?; del Helikopter Services as L ... S-61N Mk.II 61-814 w/o 2022 1978LN-OQQ : Sikorsky S-61N-77; Helikopter Services 02Nov78 S-61N Mk.II 61-760 w/o 1978 1977LN-OQS : S-61N-64, test serial N4223S; Helikopter Services d/d 01Jan77 AS350B Ecureuil 1056 1978LN-ORK : MidtNorsk Helikopterservice, noted 2009 S-61N Mk.II 61-738 1974LN-OST : MidtNorsk Helikopterservice from 07feb75, S-61N-46 type