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USCG Documented Vessel

WESTERN APOLLO IV

No. 650466Mobile Offshore Drilling UnitNo Operation - PM
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
650466
Flag
Pa
Service
Mobile Offshore Drilling Unit
Self-propelled
No
Hull material
Steel
Year built
1982

Dimensions & tonnage

Length
180 ft
Breadth
175 ft
Depth
24.3 ft
Gross tonnage
5641 GT
Net tonnage
5641 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
No Operation - PM
Issued
March 13, 1991
Endorsements
Registry

Builder

Builder
China Shpbldg Corp
Shipyard
China Shpbldg Corp
Built at
Kaohsiung, Taiwan
Year built
1982

Hailing port

Hailing port
Houston, Tx, United States
Managing owner (company)
Western Co Of North America
Managing owner location
Houston, Tx

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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Western Apollo IV — USCG Documented Vessel 650466 · CaptainsGround