Communicationseasy#1281
An ELT (Emergency Locator Transmitter) transmits on:
A
VHF communication frequency only
B
121.5 MHz and 243.0 MHz (older models) and 406 MHz (modern)
CorrectC
The ATC radar frequency
D
ACARS frequency
Explanation
Modern ELTs transmit on 406 MHz (for satellite detection) and 121.5 MHz (for homing). Older models also used 243.0 MHz.
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