ACR OLAS Exposure Series MOB Float-On Light [EXPOLASFLOTATION]OLAS Exposure Series MOB Float On Light The OLAS Float On is a buoyant wearable crew tracker that integrates OLAS (Overboard Location Alert System) technology with an LED flashlight and water activated strobe. The OLAS mobile application technology detects a break in its virtual tether to the OLAS Float On within 8 seconds of a transmitter going missing. The mobile phone(s) then sounds an alarm and records the latitude and longitude of the incident