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USCG Documented Vessel

LADY MARY

No. 636421Towing 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
636421
Call sign
WDF9713
Flag
Us
Service
Towing Vessel
Self-propelled
Yes
Propulsion
Diesel Reduction
Hull material
Steel
Year built
1981

Dimensions & tonnage

Length
56.5 ft
Breadth
22 ft
Depth
8.6 ft
Gross tonnage
103 GT
Net tonnage
70 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
September 13, 2025
Expires
October 31, 2026
Endorsements
Coastwise Unrestricted

Builder

Builder
Thrift Shipbuilding & Rep
Built at
Sulphur, La, United States
Year built
1981

Hailing port

Hailing port
Negley, Oh, United States
Managing owner (company)
A M & O Towing INC
Managing owner location
Negley, Oh

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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Lady Mary — USCG Documented Vessel 636421 · CaptainsGround