MARILYN M (IMO 8998148)
MARILYN M is an Offshore Supply Ship built in 2005 and flying the United States of America flag, placing it in its 21st year of service. The vessel reports a gross tonnage of 339 and does not have a listed deadweight tonnage. This small-scale vessel is configured for offshore support operations.
The vessel is classed by Other, which is not listed as an IACS member. There are no recent geographic observations recorded in the provided data. The vessel has operated under two former names and two former flag states. Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions. The most recent inspection was on 27 May 2026.
- Type: Offshore Supply Ship
- Flag: United States of America
- Year built: 2005
- MMSI: 367637210
- Call sign: WDH6367
- Gross tonnage: 339
- Deadweight: 0 t
- Port State Control (PSC) inspections: 1 since 2026
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 27/05/2026
- Registered owner · Ship manager: OFFSHORE OIL SERVICES INC (USA)
- Last AIS position: 29°7.2′N · 090°12.7′W · Speed 0.0 kn
- Destination: Port Fourchon (US FOC)
Frequently asked questions
What is the vessel type of MARILYN M?
MARILYN M is an Offshore Supply Ship. It was built in 2005 and is currently in its 21st year of service.
What is the gross tonnage of MARILYN M?
The vessel reports a gross tonnage of 339. There is no deadweight tonnage recorded for this specific unit.
How many former names has the vessel had?
The vessel has been registered under 2 former names. It has also operated under 2 different flag states during its history.
What is the PSC inspection history for MARILYN M?
Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions, with 1 deficiency recorded. The most recent inspection was on 27 May 2026. All-time records show 1 inspection since 2026 and no detentions.
Which flag does MARILYN M fly?
The vessel currently flies the United States of America flag. It is categorized in the white band for the Paris MoU and the grey band for the Tokyo MoU.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.