The AIBN is continuing the investigation into how and why HNoMS Helge Ingstad ran aground and sank.The main areas for the AIBN’s further investigation are (this list is not complete): Mapping of the battle damage repair. Investigation of how the systems for propulsion and steering were functioning after the collision. Investigation of cooperation and internal communication in the accident situation on board HNoMS Helge Ingstad. Investigation of possible connections linked to design criteria/choices for the Fridtjof Nansen-class frigates. This includes e.g. an investigation of the design with hollow propeller shafts. Detailed stability calculations for HNoMS Helge Ingstad. Further examination of the bilge system on HNoMS Helge Ingstad. Investigation of what decision-making support was available to the crew in the accident situation and cooperation with dedicated onshore organisation.
