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  2. Global Maritime Distress and Safety System - Wikipedia

    en.wikipedia.org/wiki/Global_Maritime_Distress...

    GMDSS sea areas serve two purposes: to describe areas where GMDSS services are available, and to define what radio equipment GMDSS ships must carry (carriage requirements). Prior to the GMDSS, the number and type of radio safety equipment ships had to carry depended upon its tonnage.

  3. Second mate - Wikipedia

    en.wikipedia.org/wiki/Second_mate

    On the ship the second officer is the officer that works under the master, i.e. the captain of the ship, and shoulders the responsibility of checking the functionality of all the navigational equipment, such as the echo-sounder, radar, ECDIS, AIS, and on some vessels even the GMDSS radio equipment; however, recently it has been observed that ...

  4. General radiotelephone operator license - Wikipedia

    en.wikipedia.org/wiki/General_radiotelephone...

    Hold or qualify for a GROL, GMDSS Radio Maintainer's License, First Class Radiotelegraph Operator's Certificate, or Second Class Radiotelegraph Operator's Certificate. Those last two licenses are no longer issued. The Radiotelegraph Operator's License (T), issued in May 2013, also can have added to it a ship radar endorsement.

  5. SOLAS Convention - Wikipedia

    en.wikipedia.org/wiki/SOLAS_Convention

    Many countries have turned these international requirements into national laws so that anybody on the sea who is in breach of SOLAS [5] V requirements may find themselves subject to legal proceedings. [6] Chapter I – General Provisions Surveying the various types of ships and certifying that they meet the requirements of the convention. [2]

  6. Inmarsat-C - Wikipedia

    en.wikipedia.org/wiki/Inmarsat-C

    The disadvantage is that voice communication is not possible with Inmarsat-C. [1] The service is approved for use under the Global Maritime Distress and Safety System , meets the requirements for Ship Security Alert Systems (SSAS) defined by the International Maritime Organization (IMO) and is the most widely used service in fishing Vessel ...

  7. Digital selective calling - Wikipedia

    en.wikipedia.org/wiki/Digital_Selective_Calling

    A Sailor VHF DSC unit. Digital selective calling (DSC) is a standard for transmitting predefined digital messages via the medium-frequency (MF), high-frequency (HF) and very-high-frequency (VHF) maritime radio systems.

  8. Ship Security Alert System - Wikipedia

    en.wikipedia.org/wiki/Ship_Security_Alert_System

    The SSAS should be capable of activation from the ship's navigation bridge. The Ship Security Alert System (SSAS) is provided to a ship for the purpose of transmitting a security alert to the shore to indicate to a competent authority (typically the ship's flag State) that the security of the ship is under threat or has been compromised.

  9. Ohio Achievement Assessment - Wikipedia

    en.wikipedia.org/wiki/Ohio_Achievement_Assessment

    The Ohio Achievement Assessment (commonly stylized as the OAA) is a standardized test meeting NCLB requirements. Grades 3-8 are tested in reading, mathematics, science, social studies, and writing. [1] Before 2010, the Ohio Achievement Assessment was known as the Ohio Achievement Test. [2]