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  2. AN/AQS-13 - Wikipedia

    en.wikipedia.org/wiki/AN/AQS-13

    AN/AQS-13 dipping sonar deployed from an SH-3 Sea King. The AN/AQS-13 series was a helicopter dipping sonar system for the United States Navy.These systems were deployed as the primary inner zone anti-submarine warfare (ASW) sensor on aircraft carrier based helicopters for over five decades. [1]

  3. HELRAS - Wikipedia

    en.wikipedia.org/wiki/HELRAS

    The system has been fitted to EH101, S70B, NH90, CH-148, AS532SC, AB412, and AS565 with helicopter of navies such as Italy, Turkey, Greece, Netherlands, Canada, Singapore, Thailand, Chile, Brazil, Indonesia, and Morocco. The system has also been fitted to unmanned surface vessels Seagull and RHIBs for Israel and USN.

  4. AN/UQQ-2 Surveillance Towed Array Sensor System - Wikipedia

    en.wikipedia.org/wiki/AN/UQQ-2_Surveillance...

    The AN/UQQ-2 Surveillance Towed Array Sensor System (SURTASS), colloquially referred to as the ship's "Tail", is a towed array sonar system of the United States Navy. SURTASS Twin-Line consists of either the long passive SURTASS array or the Twin-line array, consisting of two shorter passive arrays towed side by side.

  5. How much does a boat cost to purchase and own? - AOL

    www.aol.com/finance/much-does-boat-cost-purchase...

    Boat insurance: It typically costs around 1 to 5 percent of the boat’s value. So, using the example above, the average annual cost of insurance for a $20,000 boat would be between $200 and ...

  6. Sonar - Wikipedia

    en.wikipedia.org/wiki/Sonar

    Passive sonar systems may have large sonic databases, but the sonar operator usually finally classifies the signals manually. A computer system frequently uses these databases to identify classes of ships, actions (i.e. the speed of a ship, or the type of weapon released and the most effective countermeasures to employ), and even particular ships.

  7. Thomson Marconi Sonar - Wikipedia

    en.wikipedia.org/wiki/Thomson_Marconi_Sonar

    Thomson Marconi Sonar or TMS was formed in 1996 by the merger of the sonar systems businesses of French defence electronics specialist Thomson-CSF and British company GEC-Marconi after the payment of a balance by the latter. [1] The new company was 50.1% owned by Thomson-CSF and 49.9% by GEC-Marconi. [2] Denis Ranque was appointed as its CEO ...

  8. Short baseline acoustic positioning system - Wikipedia

    en.wikipedia.org/wiki/Short_Baseline_Acoustic...

    Short baseline systems get their name from the fact that the spacing of the baseline transducers (on a boat for example) is usually much less than the distance to the target, such as a robotic vehicle or diver venturing far from the boat [3] As with any acoustic positioning system, a larger baseline yields better positioning accuracy.

  9. Juliet Marine Systems Ghost - Wikipedia

    en.wikipedia.org/wiki/Juliet_Marine_Systems_Ghost

    Juliet Marine Systems Ghost is a super-cavitating stealth ship. The ship's experimental hull design can reduce hull friction to 1/900th that of conventional watercraft. The ship's experimental hull design can reduce hull friction to 1/900th that of conventional watercraft.