ACR OLAS Crew Tag and Strap

ACR OLAS Crew Tag and Strap


If you’re looking for a high-tech and compact solution for a man overboard alert system, then the ACR OLAS Tag provides everything you need for you and your crew to stay safe on the water. With a contemporary design, the Tag is packed with technology that allows you to seamlessly track and record an incident in a man overboard (MOB) situation.

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OLAS stands for Overboard Location Alert System, and has been specially designed with one purpose – to keep you safe and make finding your location easy should the worst happen. The system has been designed in a handy watch style that only weighs around 1oz, or a small 30g so you’ll hardly notice you’re wearing it. It has a distinctive black and lime green colour and has a secure fastening that ensures the device will stay attached to your wrist even if you are in the water.


How does the ACR OLAS Tag work?

The system works on the basis that the device is tethered virtually to a smartphone, or multiple mobile phones or tablets, and if it is detected that the tether is broken for more than 8 seconds, then a loud alert is played out on the paired device. This would happen if you are on a moving marine vessel and fall overboard but your boat keeps moving away from you. If nobody notices you have fallen overboard, the device has your back and alerts your fellow crew members to the situation.


Once the virtual tether is broken, your phone is instantly notified and the place where you entered the water is recorded by using precise coordinates of longitude and latitude, making the recovery process much easier. The crew are alerted to the exact location you went overboard by providing clear directions using a compass-like display that points to your direction, and also provides the correct bearing.


It doesn’t matter whether you’re boating on your own or are on a small or large vessel, the ACR OLAS tag has been designed to keep you safe in all circumstances. If alone, then an overboard alert will be sent to your contact of choice and gives them the location data so that emergency service can find you quickly.


All of the information will be readily available so even if your contact cannot do anything to help, they are still armed with all of the vital details to point them to your exact location. The device is also able to be paired with multiple transmitters, so if you have a small crew you will get an alert on only one phone if any of them should go overboard.


ACR OLAS Tag Key Features

  • Ideal for adults, children, pets or assets
  • Portable, compact design
  • Silicone strap for comfort
  • Lightweight at just 30g
  • Part of a scalable system
  • Cost-effective device
  • Gives complete peace of mind
  • App integration
  • Fully waterproof
  • 3,500 hours of battery life
  • 2 year warranty


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Tag Size: 1.81 (L) x 1.38 (W) x 0.60 (D) inches (46 (L) x 35 (W) x 15 (D) mm)

Strap size: 10.87 (L) x 0.88 (W) x 0.04 (D) inches (276 (L) x 22 (W) x 1 (D) mm)


0.7 oz (20g) (without strap) / 1.06 oz (30g) (with strap)




Manual Activation or Automatic Activation via proximity sensing

Runtime (hours)

High 4 months or 3,500 hours Continuous (in Armed Mode) / Power off to conserve battery when not in use.


CR2477 Lithium-Ion (User-Replaceable)

Battery Life Indicator

LED Indicator

MOB System

Track up to 6 different OLAS transmitters with 1 phone/tablet.  OLAS Transmitters can be tracked by an unlimited number of phones/tablets (Bluetooth 4.1 Compatible).


The ALARM sounds within 8 seconds of a Man Overboard situation.  The system records the MOB location using your phone/tablets GPS and directs the boat back to the last known location for a quick and easy recovery.


Compatible with the ACR OLAS Guardian Engine Kill Switch, CORE Base Station, and Extender.

Mobile App

IOS and Android (Free Download)

  • Connect multiple OLAS transmitters to 1 phone or tablet
  • Connect 1 OLAS transmitter to multiple phones/tablets
  • Solo Mode (Text Message Alerts to Emergency Contacts with GPS coordinates)
  • App Navigation: SOG, COG, Bearing to Waypoint, Course to steer, and Compass

Download the ACR OLAS App on the App Store or get it on Google Play: Search ‘ACR OLAS’


For use with vessels up to 40 feet (12 meters).


Extend the coverage range on larger vessels with the ACR OLAS CORE, GUARDIAN and EXTENDER product family.


Upgrade your system with the ACR OLAS Guardian (Base Station with Alarm and Engine Kill Switch), ACR OLAS CORE (Base Station with Alarm), and ACR OLAS Extender (extends the range of your MOB system from a vessel size of 40 ft up to 80 ft)




Yes (IP67)


Recreational and Commercial Boating

Perfect for crew including adults, children, and pets

Accessories (Included)

Each tag is supplied with a universal silicone wrist strap with stainless steel buckle and a pre-installed CR2477 Battery (user replaceable)




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