M.V.
Motor Vessel.  

MAFI Trailer
German brand name of a roll trailer used for RoRo purposes.  

Maiden Trip
First voyage of a vessel or aircraft after delivery to its owner(s).  

Main-Line Operator
Abbreviation: MLO. Carrier employing vessel(s) in the main or principal routes in a trade but not participating within a consortium.  

Maintenance Chain
Sequence of events in a goods flow which preserves and/or restores the value of a specific good. E.g. repair.  

Manifest
Document which lists the specifications of goods loaded in a means of transport or equipment for transportation purposes. As a rule cargo manifests are drawn up by the agents in the place of loading. Note: For shipping, a manifest represents an accumulation of Bills of Lading for official and administrative purposes.  

Marine Gas Oil. Fuel used for operating the vessel.
At or in the middle of a vessel.  

Marine Insurance Policy
Insurance policy protecting the insured against loss or damage to goods which occurred during transportation.  

Marking (or Marks)
Letters, numbers, and other symbols placed on cargo packages to facilitate identification.  

Marks
Shipping Marks