OSM Offshore AS

Norway ship manager with 33 vessels totalling 247,177 DWT: Offshore Support Vessel (19), Offshore Supply Ship (8), Offshore Tug/Supply Ship (5). Fleet composition, flag and age profile on Rynda.io.

• Role: Ship manager
• Country: Norway
• Fleet: 33 vessels
• Total deadweight: 247,177 t
• Median deadweight: 2,508 t
• Built: 1991–2025
• Flag states: Singapore (15), Bahamas (6), Marshall Islands (4), Not Known (3), Nigeria (1), Brazil (1)
• Age profile: under 10 years: 21, 10–15 years: 7, over 15 years: 5
• Fleet by type: Offshore Support Vessel (19), Offshore Supply Ship (8), Offshore Tug/Supply Ship (5), FSO, Oil (1)

Notable vessels

• ARMADA 86 02 (IMO 9980746) — Offshore Support Vessel, 2,580 DWT, built 2025
• HEIDRUN B (IMO 9678123) — FSO, Oil, 143,005 DWT, built 2015

Full vessel list, positions, sanctions and PSC screening are available after sign-up.