SEA1 EMERALD (IMO 9417701)

SEA1 EMERALD is an Offshore Tug/Supply Ship built in 2009 and flying the Norway (NIS) flag, placing it in its 17th year of service. The vessel reports a deadweight tonnage of 4,163 metric tonnes and a gross tonnage of 7,473. This vessel is configured for offshore support operations. SEA1 EMERALD is classed by DNV-GL (ex DNV), which is an IACS member. The vessel has been observed in the Australia and New Zealand region. It has been registered under two former names and has operated under four different flag states throughout its history. Over the last 36 months it has had 2 port state control (PSC) inspections and no detentions. The most recent inspection was on 24 March 2025.

Frequently asked questions

What is the vessel type of SEA1 EMERALD?

SEA1 EMERALD is an Offshore Tug/Supply Ship. It was built in 2009 and is currently in its 17th year of service.

What are the tonnage specifications for SEA1 EMERALD?

The vessel has a gross tonnage of 7,473. It also reports a deadweight tonnage of 4,163 metric tonnes.

Which classification society manages SEA1 EMERALD?

The vessel is classed by DNV-GL (ex DNV). This society is a recognized member of the International Association of Classification Societies (IACS).

Where has SEA1 EMERALD been recently observed?

The vessel has been observed in the Australia and New Zealand regions. This area represents its most recent recorded geographic activity.

How many PSC inspections has the vessel undergone?

Over the last 36 months it has had 2 port state control (PSC) inspections and no detentions, with 4 deficiencies recorded. The most recent inspection was on 24 March 2025. All-time records show 8 inspections since 2010 and no detentions.

Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.