uchy. Been asked many times on several threads. Hundreds of pages. And the answer....... never been fully answered. Figures in NOR K on PPJN so no reason to doubt them and following was posted by someone on another thread about a month ago.
"Different tax codes will result in different incomes, however, based on Captain salary with per diem and 60 block hrs it works out £5925 after tax and FO again 60 block hours £3957 after tax for non-married UK tax payer."
Remember you won't be working for Norwegian. You work for Rishworth for 3 years and then OSM. You have no employment relationship with the actual employer as they hide behind agencies.