International Civil Aviation Organisation.
International Maritime Dangerous Goods Code.
International Maritime Organisation.
International Mobile Satellite Organisation.
Inmarsat Ltd (formerly International Maritime Satellite Organisation)
International Code of Signals
Integrated Services Digital Network. A digital access network for data and voice, which provides an alternative to the public switched telephone network.
International Safety Management. Refers to the IMO’s International Safety Management (ISM) Code 2002, which provides an international standard for the safe management and operation of ships, and for pollution prevention.
International Telecommunication Union. The lead United Nations agency for information and communication technologies.
ITU Radiocommunication Sector (ITU—R) is that part
of the ITU which performs
a major role in the global
management of the radio—frequency
spectrum and satellite orbits, for services such as fixed, mobile,
space research, emergency telecommunications, meteorology, global positioning systems, environmental monitoring and
communication services, that ensure safety of life on land, at sea and in the air. Formerly known as the CCIR.