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ACR Electronics, Inc. produces search and rescue equipment such as emergency locator beacons, electronic distress flares, communications satellite transceivers, strobe lights, emergency position-indicating radiobeacons, and marine VHF radios. [2] [6] [8] [10] Their equipment is designed for use in aviation, military, outdoor recreation, and ...
An emergency position-indicating radiobeacon (EPIRB) is a type of emergency locator beacon for commercial and recreational boats, a portable, battery-powered radio transmitter used in emergencies to locate boaters in distress and in need of immediate rescue. In the event of an emergency, such as a ship sinking or medical emergency onboard, the ...
An emergency locator beacon is a radio beacon, a portable battery powered radio transmitter, used to locate airplanes, vessels, and persons in distress and in need of immediate rescue. Various types of emergency locator beacons are carried by aircraft, ships, vehicles, hikers and cross-country skiers.
Initially these units sent beacon signals on the 121.5 MHz aircraft emergency frequency. These are being phased out in favor of ELTs that use a 406.025 MHz signal, which can be picked up by the Cospas-Sarsat international satellite system for search and rescue. Each 406 MHz beacon has a unique digital ID code.
PLBs (personal locator beacons) are for personal use and are intended to indicate a person in distress who is away from normal emergency response capabilities (i.e. 911) The basic purpose of distress radio beacons is to rescue people within the so-called "golden day" (the first 24 hours following a traumatic event), when the majority of ...
In the early 2000s (in 2003 in the USA) a new type of distress beacon, the personal locator beacon (PLB), became available [43] for use by individuals who cannot contact emergency services through normal telephone-originated services, such as 1-1-2 or 9-1-1. Typically PLBs are used by people engaged in recreational activities in remote areas ...
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