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USCG Documented Vessel

HELEN H

No. 566449Passenger (Inspected)Valid
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
566449
Call sign
WDN7280
Flag
Us
Service
Passenger (Inspected)
Self-propelled
Yes
Propulsion
Diesel Reduction
Hull material
Aluminum
Year built
1975

Dimensions & tonnage

Length
85.8 ft
Breadth
22.2 ft
Depth
9.3 ft
Gross tonnage
98 GT
Net tonnage
66 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
February 24, 2026
Expires
February 28, 2027
Endorsements
Coastwise Unrestricted

Builder

Built at
Mamaroneck, Ny, United States
Year built
1975

Hailing port

Hailing port
Hyannis, Ma, United States
Managing owner (company)
Ter-Lin Marine Corp
Managing owner location
Hyannis, Ma

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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Helen H — USCG Documented Vessel 566449 · CaptainsGround