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What is an ELT?

April 26, 2017ELT

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What is an ELT?

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An ELT is an emergency locator transmitter. It is a device that can be automatically or manually activated to transmit a distress signal to a satellite. ELTs that activate automatically typically have a “G” or gravity switch that triggers the ELT when it senses that a crash has occurred. There are several types of ELTs: $ Automatic Fixed ELTs are intended to be permanently attached to the aircraft before and after a crash and are designed to aid search and rescue teams in locating a crash site. $ Automatic Portable ELTs are intended to be rigidly attached to the aircraft before the crash but readily removable from the aircraft after a crash $ Survival ELTs do not activate automatically and are intended to be removed from the aircraft $ Automatic Deployable ELTs are intended to be rigidly attached to the aircraft before the crash and automatically deployed after crash force sensor has determined that a crash has occurred. ELTs can transmit at either 121.5 MHz or 406 MHz, however satelli