A communication buoy launched from an underwater craft or installation comprising remote radio communications in a surface module and acoustic communications in a submergible module, wherein the entire hermetically sealed buoy ascends to the surface after launch under its own positive buoyancy, deploys flotation means at the surface, then separates the modules wherein the submergible module partially floods, becomes negatively buoyant and descends to a predetermined depth on an umbilical communication cable that connects the modules together. The sonobuoy may be launched from a submarine with its centre of mass above its centre of buoyancy so that it rights itself after launch until the centre of mass is below the centre of buoyancy during ascent. A control means may trigger deployment of a flotation bag with an antenna after a predetermined time. The module separation may occur after a second predetermined time or once a GPS fix is achieved using the antenna. A drogue, spool, and cable damping may prevent the modules uncoupling after the submergible module descends. A ring transducer may be used for transmitting and receiving acoustic communications.


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    Titel :

    COMMUNICATION BUOY AND METHOD OF DEPLOYMENT


    Weitere Titelangaben:

    KOMMUNIKATIONSBOJE UND EINSATZVERFAHREN DAFÜR
    BOUÉE DE COMMUNICATION ET PROCÉDÉ DE DÉPLOIEMENT


    Beteiligte:

    Erscheinungsdatum :

    26.06.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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