1. (a) All passenger ships irrespective of size and all cargo ships of 300 gross tons and upwards subject to part II of title III of the Communications Act or to the Safety Convention are required to carry a VHF radiotelephone station complying with this subpart. Ships subject only to the Communications Act may use a VHF radiotelephone installation meeting the technical standards of the Bridge-to-Bridge Act to satisfy the watch requirements of § 80.305(a)(3) if the equipment can transmit and receive on 156.800 MHz.
2. (b) The VHF radiotelephone station must be installed to insure safe and effective operation of the equipment and facilitate repair. It must be protected against vibration, moisture and temperature.
3. (c) The principal operating position of the radiotelephone station must be in the room from which the ship is normally steered while at sea.

4. (d) The radiotelephone stations on ships subject to Part II of Title III of the Communications Act must be capable of operating on the frequency 156.800 MHz and in other respects meet the requirements of § 80.143. The radiotelephone stations on ships subject to the Safety Convention must be capable of operating in the simplex mode on the ship station transmitting frequencies specified in the frequency band 156.025 MHz to 157.425 MHz and in the semiduplex mode on the two frequency channels specified in the following table:

   Channel designators	Transmitting frequencies (MHz)
   Ship station	Coast station
   60	156.025	160.625
   01	156.050	160.650
   61	156.075	160.675
   02	156.100	160.700
   62	156.125	160.725
   03	156.150	160.750
   63	156.175	160.775
   04	156.200	160.800
   64	156.225	160.825
   05	156.250	160.850
   65	156.275	160.875
   06	156.300
   66	156.325	160.925
   07	156.350	160.950
   67	156.375	156.375
   08	156.400
   68	156.425	156.425
   09	156.450	156.450
   69	156.475	156.475
   10	156.500	156.500
   11	156.550	156.550
   71	156.575	156.575
   12	156.600	156.600
   72	156.625
   13	156.650	156.650
   73	156.675	156.675
   14	156.700	156.700
   74	156.725	156.725
   15	156.750	156.750
   16	156.800	156.800
   17	156.850	156.850
   77	156.875
   18	156.900	161.500
   78	156.925	161.525
   19	156.950	161.550
   79	156.975	161.575
   20	157.000	161.600
   80	157.025	161.625
   21	157.050	161.650
   81	157.075	161.675
   22	157.100	161.700
   82	157.125	161.725
   23	157.150	161.750
   83	157.175	161.775
   24	157.200	161.800
   84	157.225	161.825
   25	157.250	161.850
   85	157.275	161.875
   26	157.300	161.900
   86	157.325	161.925
   27	157.350	161.950
   87	157.375	161.975
   28	157.400	162.000
   88	157.425	162.025
   1 Guard band.

[51 FR 31213, Sept. 2, 1986; 52 FR 35246, Sept. 18, 1987, as amended at 54 FR 40059, Sept. 29, 1989; 73 FR 4487, Jan. 25, 2008; 82 FR 27213, June 14, 2017]