AIS MOB for locating a person overboard

In a man-overboard situation, quickly locating the person is essential for organising the recovery operation. The AIS MOB is a personal emergency device designed to transmit the person’s position in the water to compatible AIS systems onboard and to vessels within receiving range. Versilia Marine Service offers Weatherdock Easy2-MOB, designed to be integrated into automatic life jackets and to activate on contact with the water when automatic mode is enabled. The device combines AIS alerting, DSC calling and GNSS positioning, giving the crew up-to-date information to locate the person and coordinate recovery manoeuvres more quickly.

Rescue beacon illustration showing AIS, DSC, red LED flare, and easy2-MOB in the sea

Easy2-MOB Weatherdock: AIS and DSC for man-overboard emergencies

Easy2-MOB is a personal transmitter developed specifically for Man Overboard emergencies. Once activated, it determines its position using the integrated GNSS receiver and repeatedly sends the emergency message via the AIS system. The coordinates can be displayed on compatible equipment on board and by vessels within the device's radio range.

The system also incorporates the DSC function specified for AIS Class M, adding another emergency signalling channel alongside AIS transmission. Easy2-MOB is buoyant, features a highly visible red LED to make locating the person easier in low-light conditions, and is designed to fit inside various models of automatic inflatable lifejacket. When automatic activation is enabled, full contact with the water starts the transmitter and deploys the antenna.

An AIS MOB system integrated into the lifejacket

Integrating anAIS MOB into a lifejacket means having the transmitter with you while under way, without interfering with the crew's normal movements. If a person falls overboard and the lifejacket inflates, the device is brought to the outside and, when set to automatic mode, starts operating on contact with the water.

The coordinates are updated and retransmitted, which is particularly useful when wind, current and wave action rapidly change the person's position relative to the initial point of the fall. The Weatherdock app and Bluetooth connection also provide access to certain device functions, including programming, self-testing and checking battery status. Before setting out, it is therefore advisable to check that the transmitter is correctly positioned, the selected configuration is suitable and the device is in good condition, so that it remains ready for use.

Versilia Marine Service, Weatherdock dealer for Italy

Versilia Marine Service is Weatherdock's official dealer for Italy and offers Easy2-MOB among its solutions for safety and location at sea. The consultancy service helps verify the device's compatibility with the lifejacket and the equipment installed on board, assessing the configuration best suited to the vessel's specific needs.

Easy2-MOB combines, in a compact device, AIS location, DSC signalling, GNSS positioning, selectable automatic activation and independent buoyancy, providing a solution dedicated to managing man-overboard emergencies.

Contact Versilia Marine Service for information and a quotation for the AIS MOB Easy2-MOB Weatherdock system 

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Frequently asked questions

  • What is an AIS MOB device?

    It is a personal transmitter for man-overboard emergencies. When activated, it uses the AIS system to transmit an alarm message and the person's position to compatible receivers in the area.

  • Does Easy2-MOB activate automatically in the water?

    Yes, Easy2-MOB can be set up for automatic activation on full contact with the water. Automatic mode can also be disabled using the dedicated control provided on the device.

  • Can the AIS MOB device be fitted into a lifejacket?

    Easy2-MOB is designed to be integrated into many automatic lifejackets. Compatibility must nevertheless be checked and the instructions for correct positioning followed.

  • Does Easy2-MOB transmit only via AIS?

    No. The Weatherdock device combines AIS transmission with DSC alerting, using the modes provided for Class M AIS MOB devices.

  • Does an AIS MOB replace all other emergency equipment?

    No. It is a personal device specifically designed to locate a person in the water and should be considered as part of the overall safety equipment and procedures required for the boat.