FSX – KLM S61 Noordzee Helicopter flight2000it 13 years ago FSX – KLM S61 Noordzee Helicopter, registration PH-NZA. This model includes dynamic shine, (virtual) panel and sounds. Original model by David Hardcastle. By Jesper Isbosethsen. 6 MB FSX – KLM Helicopters Sikorsky S-61FSX/FS2004/P3D – KLM 747 Classics FleetFSX/FS2004 – Boeing 747-406M KLM