BERTHA D (IMO 9399442)
BERTHA D is an Offshore Supply Ship built in 2006 and flying the United States of America flag, placing it in its 20th year of service. The vessel reports a deadweight tonnage of 684 metric tonnes and a gross tonnage of 547. This vessel is sized for specialized offshore support operations. The vessel is classed by Other and is not an IACS member. It has been observed in the Middle America and Gulf of Mexico regions. The vessel has operated under one former name and one former flag state. No port state control (PSC) inspection records are on file for this vessel.
- Type: Offshore Supply Ship
- Flag: United States of America
- Year built: 2006
- MMSI: 367111870
- Call sign: WDD2172
- Gross tonnage: 547
- Deadweight: 684 t
- Length overall: 46 m
- Beam: 11 m
- Registered owner · Ship manager: SUPREME OFFSHORE SERVICES INC (USA)
- Last AIS position: 29°46.3′N · 092°10.6′W · Speed 6.7 kn · moored · received 13 October 2026 at 17:28 UTC
- Destination: Port Fourchon (US FOC) · ETA 3 March 2027 at 23:45 UTC (as broadcast by the vessel)
- Arrival alert: rynda.io messages you by email or in Telegram when BERTHA D arrives in Port Fourchon. Free for up to 3 vessels.
Frequently asked questions
What is the vessel type of BERTHA D?
BERTHA D is an Offshore Supply Ship. It was built in 2006 and is currently in its 20th year of service.
What are the tonnage specifications for BERTHA D?
The vessel has a deadweight tonnage of 684 metric tonnes. Its gross tonnage is recorded at 547.
Where has BERTHA D been operating recently?
The vessel has been observed in the Middle America and Gulf of Mexico regions. These areas represent its most recent recorded geographic activity.
What is the PSC inspection history for BERTHA D?
No port state control (PSC) inspection records are on file for this vessel.
How many previous names has the vessel had?
The vessel has been registered under 1 former name. It has also operated under 1 former flag state during its service history.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.