Glossary of maritime terms - M
MAIN DECK - The main continuous deck of a ship running from fore to aft; the principle deck; the deck from which the freeboard is determined.
MANIFEST - A document containing a full list of the ship's cargo, extracted from the bills of lading.
MANNING SCALES - The minimum number of officers and crewmembers that can be engaged on a ship to be considered as sufficient hands with practical ability to meet every possible eventuality at sea.
MARITIME LIEN - A claim attached to the res, i. e., the ship, freight, or cargo.
MARPOL - The International Convention for the Prevention of Pollution from
Ships, s modified by the several Protocols. Part of the IMO.
MASTHEAD LIGHT - A white light positioned over the fore and aft centreline of the vessel.
MITB - Maritime Industry Training Board.
MLA - Maritime Law Association.
MOA - Memorandum of agreement
MODU - Mobile Offshore Drilling Unit.
MOORING LINE - A cable or line used to tie up a ship.
MORTGAGE - Loan issued against some security.
M/T - Metric tonnes (2,250 lbs).
MULTIPURPOSE SHIP - Any ship capable of carrying different types of cargo which require different methods of handling. There are several types of ships falling into this category, for example, ships which can carry roll on/roll off cargo together with containers. Ships that are designed to carry both dry, loose cargo and cargo in containers. |A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|