What kind of ship is CG THUNDER BAY?

CG THUNDER BAY is a tug sailing under the flag of United States, built in 1985. The vessel is 42 m long with a beam of 12 m and has a gross tonnage of 500.

What sanctions and inspection records does Voydar hold for CG THUNDER BAY?

Voydar has no matched sanctions record displayed for CG THUNDER BAY from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for CG THUNDER BAY. Missing records do not establish whether the ship has been detained.

CG THUNDER BAY

Tug · United States · built 1985 · AIS Class A

IMO8635203MMSI366999983Call signNNTBLast AIS position Oct 2, 2026, 10:52 UTC

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In short

CG THUNDER BAY (Tug, United States flag) was last seen on AIS on Oct 2, 2026, 10:52 UTC, moored, near Davisville (North Atlantic Ocean). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its crew-entered AIS destination is QUONSETT, RI; its reported draught is 4 m (voyage report via AISstream.io global terrestrial AIS, received Oct 2, 2026, 09:45 UTC).

Vessel type: Tug
Flag: United States
Year built: 1985
Gross tonnage: 500
Size (length × beam): 42 m × 12 m
Registered owner: —

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Last reported position

received Oct 2, 2026, 10:52 UTC

Position: 41.5884° N, 71.4084° W
Area: North Atlantic Ocean
StatusWhat do AIS statuses mean?: Moored
Speed: 0 kn
Course: 298°
Heading: 72°

41.5884° N, 71.4084° W

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Voydar detected no port call in the last 30 days.

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

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Identity & particulars

Name: CG THUNDER BAY
IMO numberWhat is an IMO number?: 8635203
MMSIWhat is an MMSI?: 366999983
Call signWhat is a call sign?: NNTB
Flag: United States
Vessel type: Tug
Gross tonnageGross tonnage vs deadweight: 500
Length overall: 42 m
Beam: 12 m
Year built: 1985

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

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No owner, operator or manager is recorded for this vessel yet.

About CG THUNDER BAY

USCGC Thunder Bay (WTGB-108) is the eighth vessel of the Bay-class tugboat built in 1985 and operated by the United States Coast Guard. The ship was named after a bay in the U.S. state of Michigan on Lake Huron. She is homeported in Rockland, Maine.

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is CG THUNDER BAY now?: CG THUNDER BAY (Tug, United States flag) was last seen on AIS on Oct 2, 2026, 10:52 UTC, moored, near Davisville (North Atlantic Ocean). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was QUONSETT, RI (voyage report via AISstream.io global terrestrial AIS, received Oct 2, 2026, 09:45 UTC). This report does not confirm the ship’s current route.
What kind of ship is CG THUNDER BAY?: CG THUNDER BAY is a tug sailing under the flag of United States, built in 1985. The vessel is 42 m long with a beam of 12 m and has a gross tonnage of 500.
What sanctions and inspection records does Voydar hold for CG THUNDER BAY?: Voydar has no matched sanctions record displayed for CG THUNDER BAY from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for CG THUNDER BAY. Missing records do not establish whether the ship has been detained.

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