Category
page 1Maritime communication
global navigation satellite system
system of satellites that provide autonomous geo-spatial positioning with global coverage
International Convention for the Safety of Life at Sea
1974 international treaty for maritime safety
automatic identification system
automatic tracking system that uses transceivers on ships and is used by vessel traffic services
message in a bottle
form of communication
Global Maritime Distress Safety System
Worldwide emergency communication system for ships at sea
International Code of Signals
international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters
Maritime Mobile Service Identity
ID sent in digital form over a radio frequency to uniquely identify a ship

Navtex
thumb|right|A NAVTEX receiver prints an incoming message
thumb|right|NAVTEX message for the Baltic Sea
International Cospas-Sarsat Programme
international satellite-aided search and rescue initiative

radiotelephone
thumb|Comparison of an amateur radio handheld transceiver, cell phone, and [[matchbox (the latter is not a phone)]]
Electronic Chart Display and Information System
geographic information system used for nautical navigation that complies with International Maritime Organization (IMO) regulations as an alternative to paper nautical charts
Marine VHF radio
radios operating in the very high frequency maritime mobile band
Digital Selective Calling
marine radio standard
vessel traffic service
maritime traffic control system for given body of water

search and rescue transponder
transponder intended for emergency use at sea
Diver communications
methods used by underwater divers to communicate
strategic communication
action or related function of communicating a concept, a process, or data that satisfies a long term strategic goal of an organization by allowing facilitation of advanced planning
coast radio station
on-shore maritime radio station
Channel 16 VHF
radio frequency on the marine VHF radio band
500 kHz
maritime radio frequency at 500 kHz
Standard Marine Communication Phrases
set of phrases in English for use at sea
Automatic Transmitter Identification System
marine VHF radio system
Ship Security Alert System
Security alert system for ships
maritime identification digits
3-digit code used by a radio communication facility to identify home country/base area in Digital Selective Calling, Automatic Transmitter Identification System and Automatic Identification System messages; part of Maritime Mobile Service Identity
maritime call sign
call signs assigned as unique identifiers to ships and boats
Long-range identification and tracking
system for global identification and tracking of ships
maritime mobile service
mobile radiocommunication between coast stations and ship stations, between ship stations, or between associated on-board communication stations
Short Range Certificate
internationally valid certificate issued to marine VHF radio station operators