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USCG Documented Vessel

ITB 255

No. 520633Tank BargeValid
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
520633
Call sign
WCK7055
Flag
Us
Service
Tank Barge
Self-propelled
No
Hull material
Steel
Year built
1969

Dimensions & tonnage

Length
250 ft
Breadth
76 ft
Depth
16.7 ft
Gross tonnage
2490 GT
Net tonnage
2490 NT
Deadweight
5400 tons

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
June 30, 2025
Expires
July 31, 2026
Endorsements
Coastwise UnrestrictedRegistry

Builder

Builder
Gunderson Bro. Eng. Co.
Shipyard
Gunderson Bro. Eng. Co.
Built at
Portland, Or, United States
Year built
1969

Hailing port

Hailing port
Seattle, Wa, United States
Managing owner (company)
Island Tug And Barge Co
Managing owner location
Seattle, Wa

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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Itb 255 — USCG Documented Vessel 520633 · CaptainsGround