A (22) | B (29) | C (39) | D (16) | E (14) | F (27) | G (10) | H (16) | I (18) | J (1) | K (6) | L (26) | M (18) | N (8) | O (5) | P (24) | R (10) | S (45) | T (14) | U (11) | V (9) | W (6)
Glossary term Description
VDR

voyage data recorder

VHF

very high frequency. Radio frequency 

viscosity (Latin: viscum - tenacity) Degree of resistance to flow in a fluid or semifluid for gas, caused by internal friction
VLCC

very large crude carrier (200,000-319,999 dwt)

VLGC

very large gas carrier

VLOR

very large ore carrier

VoIP

voice over internet protocol

voyage memo

Used to describe a document giving details of a vessel's previous ports of call, including arrival and departure dates and times, often required by countries with cargo or country boycotts in place. This document has mainly been superseded by ISPS pre-arrival document requirements.

VTS, VTMS VTMIS

Various types of vessel traffic management system. These are usually radar assisted systems to advise masters and pilots of other vessel traffic in their vicinity within a waterway.