47 CFR § 80.223 - Special requirements for survival craft stations.
(a) Survival craft stations capable of transmitting on:
(1) 2182 kHz must be able to operate with A3E or H3E and J2B and J3E emissions;
(2) 121.500 MHz must be able to operate with A3E or A3N emission.
(b) Survival craft stations must be able to receive the frequency and types of emission which the transmitter is capable of using.
(c) Any EPIRB carried as part of a survival craft must comply with the specific technical and performance requirements for its class contained in subpart V of this chapter.