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  2. Automatic Transmitter Identification System (marine) - Wikipedia

    en.wikipedia.org/wiki/Automatic_Transmitter...

    This contrasts to the Automatic identification system (AIS) used globally on ships that transmit continuously. A short post-transmission message is sent by the radio with the vessel identity and is in the form of an encoded call sign or Maritime Mobile Service Identity , starting with number "9" and the three country-specific maritime ...

  3. Sea traffic management - Wikipedia

    en.wikipedia.org/wiki/Sea_traffic_management

    STM seeks to create an organized traffic management entity called Sea Traffic Coordination Center(STCC) that will act as a central hub maintaining a record of all vessels at sea using the AIS and/or radar, enabling the distribution of vessel routes between ship-to-ship and ship-to-shore. The STCC together with the AIS and/or radar allows:

  4. Automatic identification system - Wikipedia

    en.wikipedia.org/wiki/Automatic_identification...

    AIS is intended to assist a vessel's watchstanding officers and allow maritime authorities to track and monitor vessel movements. AIS integrates a standardized VHF transceiver with a positioning system such as a Global Positioning System receiver, with other electronic navigation sensors, such as a gyrocompass or rate of turn indicator. Vessels ...

  5. Ship registration - Wikipedia

    en.wikipedia.org/wiki/Ship_registration

    Vessels over the age of 20 require a waiver as well as the vessel's classification society being willing to issue statutory certificates to the vessel. Vessels 15 years or older must have a Status Report of the vessel's Special Survey to be reviewed by Marine Safety. [7] Registries charge a registration fee.

  6. Vessel traffic service - Wikipedia

    en.wikipedia.org/wiki/Vessel_traffic_service

    An information service is a service to ensure that essential information becomes available in time for onboard navigational decision-making. The information service is provided by broadcasting information at fixed times and intervals or when deemed necessary by the vessel traffic service or at the request of a vessel, and may include for example reports on the position, identity and intentions ...

  7. Free File - Wikipedia

    en.wikipedia.org/wiki/Free_File

    The IRS Free File Program is a service that allows U.S. taxpayers to prepare and e-file their federal income tax returns for free. Through the program, commercial tax software companies that are part of the Free File Alliance offer free tax preparation software to tax filers with annual adjusted gross income (AGI) below $84,000 for Tax Year 2024.