The main changes from the previous edition are:
inclusion of operational experience feedback from recent projects
updates on flight environment and turbulence
updates on LOS segment lines
updates on sub-zero conditions
updates on lowered walkway
updates on helideck drainage and passive fire suppression
updates on helideck lighting.
The revision has been done by participation from the industry, and the Civil Aviation Authority of Norway. The revision has been managed by Sven-Arne Aronsson, Markhus AS and Standards Norway.
NORSOK C-004 Helicopter deck on offshore installations
Contact person at Standards Norway is project manager Øyvind Bråten, email@example.com