Class C EPIRBs

These are manually activated devices intended for pleasure craft which do not venture far offshore and for vessels on the Great Lakes. They transmit a short burst on VHF-FM channel 16 (156.8 MHz) and a longer homing signal on channel 15 (156.75 MHz). Their usefulness depends upon a coast station or another vessel guarding channel 16 and recognizing the brief, recurring tone as an EPIRB. Class C EPIRBs are not recognized outside of the United States. These EPIRBs were no longer recognized after 1999, and are no longer recommended by the Coast Guard.

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See the NOAA SARSAT Homepage