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    Sub-Atlantic seals second ROV deal with AALEA Offshore

    Vessel & ROV News // July 10, 2015

    Sub-Atlantic has won a second contract with Italian oil and gas subsea services provider, AALEA. The contract will see Sub-Atlantic deliver one of its Tomahawk observation ROV systems.
     
    The Tomahawk has been optimised as a survey system. It is configured with intelligent interfaces, including an advanced subCAN control and diagnostics system, and is powered by Sub-Atlantic’s powerful DC propulsion system which incorporates Statorshield technology. This high-performance control, coupled with powerful propulsion, provides a stable platform which enhances its survey and data collecting capabilities.
     
    It is the second system of its kind that Sub-Atlantic has provided for AALEA with the first successfully completing a 100km pipeline survey through the strong currents of the Strait of Messina. A total of nearly 2,000km of survey has already been performed through both the cable route and pipeline, with nearly zero technical downtime and an average survey speed of 0.7/0.8 knots.
     
    The survey involved Sub-Atlantic’s Tomahawk system performing in deep water using a diverse range of sensors including: a dual-head, multi beam echosounder; a fibre optic gyroscope (FOG); a bathymetric system; a doppler velocity log; hydraulic boom cameras; a  pipetracker, wheeled skid; CP with electric actuator; and laser measurement equipment.
     

     

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