Sec. 87.195  Frequencies.

    (a) ELTs transmit on the frequency 121.500 MHz, using A3E, A3X or 
NON emission. ELTs that transmit on the frequency 406.025 MHz use G1D 
emission.
    (b) The frequency 243.000 MHz is an emergency and distress frequency 
available for use by survival craft stations, ELTs and equipment used 
for survival purposes which are also equipped to transmit on the 
frequency 121.500 MHz. Use of 243.000 MHz must be limited to 
transmission of signals and communications for survival purposes. In the 
case of ELTs use of A3E, A3X or NON emission is permitted.
[ 53 FR 28940 , Aug. 1, 1988, as amended at  56 FR 11518 , Mar. 19, 1991;  58 FR 30128 , May 26, 1993]