Emergency locator beacon
Emergency locator beacon (pronunciation: /ɪˈmɜːdʒənsi ləʊˈkeɪtər ˈbiːkən/) is a type of tracking device that is used to alert search and rescue services in the event of an emergency. It transmits a distress signal that, when detected by non-geostationary satellites, can be located quickly and accurately, providing timely assistance to people in distress.
Etymology
The term "emergency locator beacon" is derived from its function. "Emergency" refers to a serious, unexpected, and often dangerous situation requiring immediate action. "Locator" refers to the device's ability to determine a person or object's location. "Beacon" is a signal intended to attract attention to a specific location.
Types of Emergency Locator Beacons
There are several types of emergency locator beacons, including:
- Personal Locator Beacon (PLB): A PLB is a portable transmitter that sends out a distress signal. Once activated, it transmits a signal that can be detected by satellites and used to locate the person in distress.
- Emergency Position-Indicating Radio Beacon (EPIRB): An EPIRB is used on marine vessels to indicate a vessel's position to search and rescue services in the event of an emergency.
- Emergency Locator Transmitter (ELT): An ELT is used on aircraft and automatically activates in the event of a crash to transmit the aircraft's location.
Related Terms
See Also
External links
- Medical encyclopedia article on Emergency locator beacon
- Wikipedia's article - Emergency locator beacon
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