Galley - a space that provides for extended storage and
preparation of food. This does not include small stoves with
limited cooking capability, or ice chests or similar devices that
are intended for keeping small quantities of food for short
durations.
Length - the length listed on the vessel's Certificate of
Documentation or Certificate of State Number. The length overall
(LOA) of the vessel may be considerably longer than the
documented length. The LOA is used in reference to the
Navigation Rules, International-Inland.
Major Conversion - a conversion of a vessel that:
(1) Substantially changes the dimensions or carrying
capacity of the vessel;
(2) Changes the type of the vessel (i.e. cargo vessel to
fishing vessel):
(3) Substantially prolongs the life of the vessel; or
(4) Otherwise so changes the vessel that it is essentially a
new vessel, as determined by the Commandant.
Substantial Alteration - some vessels that are physically altered
in a way that affects the vessels's stability must comply with
additional stability requirements not covered by this guide.
These are outlined in 46 CFR 28.510.
Officer in Charge / Marine Investigation (OCMI) - an officer of
the Coast Guard who commands a Marine Inspection Zone described
in 33 CFR part 3 or an authorized representative of that officer.
Operating Station - the principal steering station on the vessel
from which the vessel is normally navigated.
Tonnage - four gross tonnage measurement systems are currently
used for documenting U.S. vessels. This subject matter is quite
complex and is beyond the scope of this guide. Details may be
found in 46 CFR Part 69. Contact Documentation Office for
guidance.
Coastwise Voyage - includes waters of any ocean, or the Gulf of
Mexico, 20 nautical miles or less offshore.
Ocean Voyage - includes waters of any ocean, or the Gulf of
Mexico, more than 20 nautical miles offshore.
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