What kind of ship is CG BISCAYNE BAY?

CG BISCAYNE BAY is an icebreaker sailing under the flag of United States, built in 1979 by Tacoma Boatbuilding Company. The vessel is 42 m long with a beam of 12 m.

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

Voydar has no matched sanctions record displayed for CG BISCAYNE 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 BISCAYNE BAY. Missing records do not establish whether the ship has been detained.

CG BISCAYNE BAY

Icebreaker · United States · built 1979 · AIS Class A

IMO8635148MMSI366999980Call signNRUSLast AIS position Sep 28, 2026, 10:57 UTC

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In short

CG BISCAYNE BAY (Icebreaker, United States flag) was last seen on AIS on Sep 28, 2026, 10:57 UTC, moored, near Mackinac Island (Great Lakes). 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 ST IGNACE; its reported draught is 4 m (voyage report via AISstream.io global terrestrial AIS, received Sep 28, 2026, 10:40 UTC).

Vessel type: Icebreaker
Flag: United States
Year built: 1979
Gross tonnage: —
Size (length × beam): 42 m × 12 m
Registered owner: —

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Photo of CG BISCAYNE BAY — Photo: U.S. National Oceanic and Atmospheric Administration (NOAA) · Licence: Public domain · via Wikimedia Commons

Last reported position

received Sep 28, 2026, 10:57 UTC

Position: 45.8552° N, 84.7023° W
Area: Great Lakes
StatusWhat do AIS statuses mean?: Moored
Speed: 0 kn
Course: 185°
Heading: —

45.8552° N, 84.7023° 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 BISCAYNE BAY
IMO numberWhat is an IMO number?: 8635148
MMSIWhat is an MMSI?: 366999980
Call signWhat is a call sign?: NRUS
Flag: United States
Vessel type: Detailed type from WikidataIcebreaker
AIS ship type: Other
Gross tonnageGross tonnage vs deadweight: —
Length overall: 42 m
Beam: 12 m
Year built: 1979

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

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

Operator: United States Navy
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
Builder: Tacoma Boatbuilding Company
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

About CG BISCAYNE BAY

USCGC Biscayne Bay (WTGB-104) is a United States Coast Guard Cutter and an icebreaking tug. She is based at Coast Guard Station St. Ignace with a primary area of operation in the Straits of Mackinac including Mackinac Island, Mackinac Bridge, and the northern portions of Lakes Michigan and Huron and occasionally Lakes Superior, Erie and their connecting rivers. Beyond her role as an icebreaker, Biscayne Bay performs search and rescue and law enforcement functions.

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is CG BISCAYNE BAY now?: CG BISCAYNE BAY (Icebreaker, United States flag) was last seen on AIS on Sep 28, 2026, 10:57 UTC, moored, near Mackinac Island (Great Lakes). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. The crew-entered destination was ST IGNACE (voyage report via AISstream.io global terrestrial AIS, received Sep 28, 2026, 10:40 UTC). This report does not confirm the ship’s current route.
What kind of ship is CG BISCAYNE BAY?: CG BISCAYNE BAY is an icebreaker sailing under the flag of United States, built in 1979 by Tacoma Boatbuilding Company. The vessel is 42 m long with a beam of 12 m.
What sanctions and inspection records does Voydar hold for CG BISCAYNE BAY?: Voydar has no matched sanctions record displayed for CG BISCAYNE 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 BISCAYNE BAY. Missing records do not establish whether the ship has been detained.

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