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USCG Documented Vessel

INVINCIBLE

No. 610267Towing VesselValid
Data as of · Source: U.S. Coast Guard
Every answer cited & verifiedAll 4 USCG exam modulesReviewed by a former NMC exam writer

Vessel particulars

Official number
610267
IMO number
7723819
Call sign
WCZ8358
Flag
Us
Service
Towing Vessel
Self-propelled
Yes
Propulsion
Diesel Reduction
Hull material
Steel
Year built
1979

Dimensions & tonnage

Length
94.5 ft
Breadth
35 ft
Depth
16.5 ft
Gross tonnage
180 GT
Net tonnage
122 NT

Documentation

A Certificate of Documentation (COD) is the U.S. Coast Guard’s federal record of a vessel’s nationality and ownership — a national alternative to state titling for eligible vessels. Learn how it differs from state registration in the registration vs documentation guide.

COD status
Valid
Issued
January 6, 2026
Expires
February 28, 2027
Endorsements
Coastwise UnrestrictedRegistry

Builder

Builder
Atlantic Marine INC
Shipyard
Atlantic Marine INC
Built at
Fort George Island, Fl, United States
Year built
1979

Hailing port

Hailing port
Cleveland, Oh, United States
Managing owner (company)
Grand River Navigation Company INC
Managing owner location
Traverse City, Mi

Planning to run this boat as a charter or take paying passengers? Carrying up to six for hire needs an OUPV “six-pack” captain’s license.

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Independent reference tool — not affiliated with, endorsed by, or sponsored by the U.S. Coast Guard or the National Maritime Center. Vessel data is derived from public USCG sources and may lag official records; always verify with the issuing authority.

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Invincible — USCG Documented Vessel 610267 · CaptainsGround