Winter navigation cooperation guideline 19 Decemberr 2011 / 1.0 : cooperation between icebreakers, VTS-centres, the GOFREP centre, pilots and the Pilot Order Service in winter 2011–2012
Winter navigation cooperation guideline 19 Decemberr 2011 / 1.0 : cooperation between icebreakers, VTS-centres, the GOFREP centre, pilots and the Pilot Order Service in winter 2011–2012
Winter navigation cooperation guideline 19 Decemberr 2011 / 1.0 : cooperation between icebreakers, VTS-centres, the GOFREP centre, pilots and the Pilot Order Service in winter 2011–2012
Winter navigation cooperation guideline 19 Decemberr 2011 / 1.0 : cooperation between icebreakers, VTS-centres, the GOFREP centre, pilots and the Pilot Order Service in winter 2011–2012