Each vessel shall have a suitable radio transceiver aboard which shall be kept in operating condition at all times. Status and position reports shall be made to Pago Pago radio every 4 hours, starting from prior to leaving the port, and are to continue every 4 hours thereafter or until the vessel is berthed: A suitable log shall be kept for all voice transmission and answers received. Radio batteries shall be separated from engine starting batteries. Minimum frequencies required are 2182, 2638 single side band or VHF channel16.History: Bd. of Mar. lnsp. Regs., eff 16 Oct 72, § 9.13; and Rule 4.76 eff 14 Jul 76, § 1 (part).