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  • ACR OLAS Guardian Unit Front Facing




    The ACR OLAS Guardian is a small wireless engine kill switch that acts within two seconds of a person going overboard. It has the dual function of also acting as an instant Man Overboard (MOB) Alarm system. OLAS GUARDIAN offers powerboat, motorboat, and RIB drivers the security of knowing that their boat will stop in an instant, should the skipper or crew get separated from the boat, reducing the chances of a serious accident from a loose, unmanned, uncontrolled vessel. They are free to move around their boat without constantly having to remember to attach, detach, and re-attach a physically wired kill cord. The GUARDIAN provides coverage for vessels up to 50 feet and is scalable via the use of the OLAS EXTENDER for use on vessels up to 80 feet.

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    NOTE: As of April 1, 2021, the U.S. Coast Guard implemented a new law passed by Congress requiring the use of engine cut-off switches (ECOS) and the associated engine cut-off switch link (ECOSL) on recreational vessels. The law is relevant to all federally navigable waterways and specifically applies to recreational vessels with the following characteristics:


    • Vessels less than 26 feet in length
    • Vessels with an engine capable of 115 lbs. static thrust (approximately 2-3 hp)
    • Vessels built in January 2020 or later


    Exemptions to the law are as follows:


    • The law is not applicable to law enforcement or other government-owned vessels
    • There is no requirement to wear the ECOSL if either the main helm is installed within an enclosed cabin or if the vessel does not have an ECOS and is not required to have one
    • The ECOSL does not need to be attached/active when the vessel is operating at less than displacement speed (ie. the vessel isn’t operating on plane). This applies to common activities such as idling, docking/trailering, trolling, and operating in no-wake zones.




  • Green OLAS Tag Lying Horizontally



    The ACR OLAS Tag is a Wearable Crew Tracker that integrates OLAS (Overboard Location Alert System) technology. The ACR OLAS mobile application technology detects a break in its ‘virtual tether’ to the tag within 8 seconds of a Tag going missing. The mobile phone(s) then sounds an alarm and records the latitude and longitude of the incident using the phone or tablet’s GPS.  ACR OLAS then aids the crew with the MOB recovery, clearly directing them to the GPS location where the MOB occurred with clear visual signals and bearing data. ACR OLAS stores all location data and time of incident required by the rescue services.  Activate Solo mode on the app (2G phone signal required) when boating alone and the OLAS app will automatically text message (SMS) your emergency contact with your GPS coordinates in the event you get separated from your boat. 

    Users can track up to 6 different OLAS Transmitters with 1 phone/tablet and each OLAS Transmitter can be tracked by an unlimited number of phones/tablets.  If you want to track more OLAS Transmitters, add the ACR CORE base station or Guardian Engine Kill Switch and scale your system to monitor up to 15 OLAS Transmitters.



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    The ACR OLAS CORE is a small, portable, wireless Man Overboard (MOB) Alarm system that triggers an instant emergency alert, within 4 seconds of a MOB incident. The CORE provides coverage for vessels up to 50 ft and the OLAS EXTENDER is an available option to expand coverage for vessels up to 80 ft.  With the ability to connect to a total of 15 wearable OLAS Tag and/or OLAS Float-On transmitters, the CORE creates a virtual lifeline to your crew members and acts as your boat’s base station to monitor and alert the crew should one of the transmitters go missing.  The CORE can also connect with the ACR OLAS mobile app which, in the case of a MOB incident, provides easy to read directional screens with a bearing and trackback to the point where the alarm was triggered. The app also provides essential MOB position and procedure prompt screens, supporting the crew during the stress of a recovery operation.


    Losing a crew member overboard is every boater’s worst nightmare. The ACR OLAS CORE gives boaters complete confidence that in the event of a MOB incident, the entire crew is alerted instantly and can take immediate recovery actions. Consisting of an easy to install base station that can be permanently mounted or used as a portable solution, the CORE communicates wirelessly with all connected OLAS transmitters at the same time.  Syncing transmitters is simple with a single button push that not only syncs the transmitter(s) with the CORE but also allows users to connect transmitters to the OLAS mobile app.





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    The ACR OLAS EXTENDER is a small, portable, wireless range extender that provides the flexibility of scaling your OLAS GUARDIAN Engine Kill Switch and OLAS CORE MOB Alarm Systems for use on larger vessels. While the OLAS Tag and OLAS Float-On transmitters and the OLAS CORE, OLAS GUARDIAN, and OLAS Mobile App receivers allow for coverage on vessels between 40 ft. and 50 ft., the OLAS EXTENDER allows for coverage on vessels up to 80 ft when used with the OLAS GUARDIAN or OLAS CORE. 





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