MARY SEARS (IMO 9207077)
MARY SEARS is a Research Vessel built in 2001 and flying the United States of America flag, placing it in its 25th year of service. The vessel reports a deadweight tonnage of 2,814 metric tonnes and a gross tonnage of 4,201. This vessel is configured for specialized research operations. MARY SEARS is classed by the American Bureau of Shipping, which is an IACS member. The vessel has been observed in the North America West Coast and East Asia regions. It has previously operated under one former name and one former flag. Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions. The most recent inspection was on 12 April 2026.
- Type: Research Vessel
- Flag: United States of America
- Year built: 2001
- MMSI: 303859000
- Call sign: NRFR
- Gross tonnage: 4201
- Deadweight: 2814 t
- Port State Control (PSC) inspections: 1 since 2026
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 12/04/2026
- Registered owner · Ship manager: UNITED STATES GOVT MSC (USA)
- Last AIS position: 1°17.6′N · 103°40.4′E · Speed 0.0 kn · moored · received 14 October 2026 at 15:38 UTC
- Destination: Singapore (SG SIN)
Frequently asked questions
What is the vessel type of MARY SEARS?
MARY SEARS is a Research Vessel. It was built in 2001 and is currently in its 25th year of service.
What are the tonnage specifications for MARY SEARS?
The vessel has a gross tonnage of 4,201. It also reports a deadweight tonnage of 2,814 metric tonnes.
Which classification society manages MARY SEARS?
The vessel is classed by the American Bureau of Shipping. This society is a recognized member of the International Association of Classification Societies (IACS).
Where has MARY SEARS been operating recently?
The vessel has been observed in the North America West Coast and East Asia regions. These areas represent its most recent recorded geographic activity.
How many inspections has the vessel undergone?
Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions, with 4 deficiencies recorded. The most recent inspection was on 12 April 2026. All-time records show 1 inspection since 2026 and no detentions.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.