Federal Communications Commission § 80.92

Commission’s Rules must comply with (e) Transmit while on board vessels the environmental processing rules set located on land unless authorized forth in §§ 1.1301–1.1319 of this chapter. under a public coast station license. [53 FR 28225, July 27, 1988] Vessels in the following situations are not considered to be on land for the OPERATING PROCEDURES—GENERAL purposes of this paragraph: (1) Vessels which are aground due to § 80.86 International regulations appli- a distress situation; cable. (2) Vessels in drydock undergoing re- In addition to being regulated by pairs; and these rules, the use and operation of (3) State or local government vessels stations subject to this part are gov- which are involved in search and rescue erned by the Radio Regulations and the operations including related training radio provisions of all other inter- exercises. national agreements in force to which (f) Transmit on frequencies or fre- the United States is a party. quency bands not authorized on the current station license. § 80.87 Cooperative use of frequency assignments. [51 FR 31213, Sept. 2, 1986, as amended at 52 FR 35244, Sept. 18, 1987; 62 FR 40304, July 28, Each radio channel is available for 1997; 68 FR 46960, Aug. 7, 2003] use on a shared basis only and is not available for the exclusive use of any § 80.90 Suspension of transmission. one station or station licensee. Station Transmission must be suspended im- licensees must cooperate in the use of mediately upon detection of a trans- their respective frequency assignments mitter malfunction and must remain in order to minimize interference and suspended until the malfunction is cor- obtain the most effective use of the au- rected, except for transmission con- thorized radio channels. cerning the immediate safety of life or § 80.88 Secrecy of communication. property, in which case transmission must be suspended as soon as the emer- The station licensee, the master of gency is terminated. the ship, the responsible radio opera- tors and any person who may have § 80.91 Order of priority of commu- knowledge of the radio communica- nications. tions transmitted or received by a (a) All stations in the maritime mo- fixed, land, or mobile station subject to bile service and the maritime mobile- this part, or of any radio- satellite service shall be capable of of- communication service of such station, fering four levels of priority in the fol- must observe the secrecy requirements lowing order: of the Communications Act and the (1) Distress calls, distress messages, Radio Regulations. See sections 501, and distress traffic. 502, and 705 of the Communications Act (2) Urgency communications. and Article 23 of the Radio Regula- (3) Safety communications. tions. (4) Other communications. § 80.89 Unauthorized transmissions. (b) In a fully automated system, where it is impracticable to offer all Stations must not: four levels of priority, category 1 shall (a) Engage in superfluous radio- receive priority until such time as communication. intergovernmental agreements remove (b) Use telephony on 243 MHz. exemptions granted for such systems (c) Use selective calling on 2182 kHz from offering the complete order of pri- or 156.800 MHz. ority. (d) When using telephony, transmit signals or communications not ad- [68 FR 46960, Aug. 7, 2003] dressed to a particular station or stations. This provision does not apply to § 80.92 Prevention of interference. the transmission of distress, alarm, ur- (a) The station operator must deter- gency, or safety signals or messages, or mine that the frequency is not in use to test transmissions. by monitoring the frequency before

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transmitting, except for transmission (d) Ships voluntarily fitting GMDSS of signals of distress. subsystems. For ships voluntarily fit- (b) When a radiocommunication ting GMDSS subsystems, radios shall causes interference to a communica- be turned on and set to proper watch tion which is already in progress, the channels while ships are underway. If interfering station must cease trans- ship has duplicate GMDSS installa- mitting at the request of either party tions for DSC or INMARSAT, only one to the existing communication. As be- of each must be turned on and keeping tween nondistress traffic seeking to watch. commence use of a frequency, the pri- (e) Other than public coast or compul- ority is established under § 80.91. sory ship stations. The hours of service (c) Except in cases of distress, com- of stations other than those described munications between ship stations or in paragraphs (b), (c), and (d) of this between ship and aircraft stations section are determined by the station must not interfere with public coast licensee. stations. The ship or aircraft stations which cause interference must stop [51 FR 31213, Sept. 2, 1986, as amended at 68 transmitting or change frequency upon FR 46960, Aug. 7, 2003] the first request of the affected coast station. § 80.94 Control by coast or Govern- ment station. § 80.93 Hours of service. When communicating with a coast (a) All stations. All stations whose station or any Government station in hours of service are not continuous the maritime mobile service, ship sta- must not suspend operation before hav- tions must comply with the instruction ing concluded all communication re- given by the coast station or Govern- quired in connection with a distress ment station relative to the order and call or distress traffic. time of transmission, the choice of fre- (b) Public coast stations. (1) Each pub- quency, the suspension of communica- lic coast station whose hours of service tion and the permissible type of mes- are not continuous must not suspend sage traffic that may be transmitted. operation before having concluded all This provision does not apply in the communication involving messages or event of distress. calls originating in or destined to mobile stations within range and mobile § 80.95 Message charges. stations which have indicated their (a) Except as specified in § 20.15(c) of presence. this chapter with respect to commer- (2) Unless otherwise authorized by cial mobile radio service providers, the Commission upon adequate show- charges must not be made for service ing of need, each public coast station of: authorized to operate on frequencies in (1) Any public coast station unless the 3000–23,000 kHz band must maintain tariffs for the service are on file with continuous hours of service. the Commission; (c) Compulsory ship stations. (1) Com- (2) Any station other than a public pulsory ship stations whose service is coast station or an Alaska—public not continuous may not suspend oper- fixed station, except cooperatively ation before concluding all traffic originating in or destined for public coast shared stations covered by § 80.503; stations situated within their range (3) Distress calls and related traffic; and mobile stations which have indi- and cated their presence. (4) Navigation hazard warnings pre- (2) For GMDSS ships, radios shall be ceded by the SAFETY signal. turned on and set to proper watch (b) The licensee of each ship station channels while ships are underway. If a is responsible for the payment of all ship has duplicate GMDSS installa- charges accruing to any other stations for DSC or INMARSAT, only one tion(s) or facilities for the handling or of each must be turned on and keeping forwarding of messages or communica- watch. tions transmitted by that station.

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(c) In order to be included in the ITU ation is necessary the radiotelegraph List of Coast Stations public coast sta- testing procedure described in this tions must recognize international Ac- paragraph must be followed: counting Authority Identification (a) The operator must not interfere Codes (AAIC) for purposes of billing with transmissions in progress. and accounts settlement in accordance (b) The operator must transmit ‘‘IE’’ with Article 66 of the Radio Regula- (two dots, space, one dot) on the test tions. Stations which elect not to rec- frequency as a warning that test emis- ognize international AAIC’s will be re- sions are about to be made. moved from the ITU List of Coast Sta- (c) If any station transmits ‘‘AS’’ tions. (wait), testing must be suspended. When transmission of ‘‘IE’’ is resumed [51 FR 31213, Sept. 2, 1986, as amended at 52 and no response is heard, the test may FR 35244, Sept. 18, 1987; 69 FR 64671, Nov. 8, 2004] proceed. (d) Test signals composed of a series § 80.96 Maintenance tests. of ‘‘VVV’’ having a duration of not more than ten seconds, followed by the Stations are authorized to engage in call sign of the testing station will be test transmissions necessary for main- transmitted. The call sign must be sent tenance of the station. Test trans- clearly at a speed of approximately 10 missions must conform to appropriate words per minute. This test trans- test operating procedures. mission must not be repeated until a § 80.97 Radiotelegraph operating pro- period of at least one minute has cedures. elapsed. This section applies to ships and [69 FR 64671, Nov. 8, 2004] coast stations authorized to transmit in the band 405–525 kHz. § 80.99 Radiotelegraph station identi- (a) Except for the transmission of fication. distress or urgency signals, all trans- This section applies to coast, ship missions must cease within the band and survival craft stations authorized 485–515 kHz during each 500 kHz silence to transmit in the band 405–525 kHz. period. (a) The station transmitting radio- (b) Stations transmitting telegraphy telegraph emissions must be identified must use the service abbreviations by its call sign. The call sign must be (‘‘Q’’ code) listed in Appendix 14 to the transmitted with the telegraphy emis- Radio Regulations. sion normally used by the station. The (c) The call consists of: call sign must be transmitted at 20 (1) The call sign of the station called, minute intervals when transmission is not more than twice; the word ‘‘DE’’ sustained for more than 20 minutes. and the call sign of the calling station, When a ship station is exchanging pub- not more than twice; if useful, the fre- lic correspondence communications, quency on which the called station the identification may be deferred should reply; and the letter ‘‘K’’. until completion of each communica- (2) If the call is transmitted twice at tion with any other station. an interval of not less than one (b) The requirements of this section minute, it must not be repeated until do not apply to survival craft stations after an interval of three minutes. when transmitting distress signals (d) The reply to calls consists of: The automatically or when operating on call sign of the calling station, not 121.500 MHz for radiobeacon purposes. more than twice; the word ‘‘DE’’; and (c) Emergency position indicating the call sign of the station called, once radiobeacon stations do not require only. identification.

§ 80.98 Radiotelegraph testing proce- § 80.100 Morse code requirement. dures. The code employed for telegraphy Stations authorized to use teleg- must be the Morse code specified in the raphy may conduct tests on any as- Telegraph Regulations annexed to the signed frequency. Emissions must not International Telecommunication Con- cause harmful interference. When radi- vention. Pertinent extracts from the

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Telegraph Regulations are contained in test must be identified as ‘‘FCC’’ or the ‘‘Manual for Use by the Maritime ‘‘technical.’’ Mobile and Maritime Mobile-Satellite (c) Survival craft transmitter tests Services’’ published by the Inter- must not be made within actuating national Telecommunication Union. range of automatic alarm receivers.

§ 80.101 Radiotelephone testing proce- [51 FR 31213, Sept. 2, 1986, as amended at 63 dures. FR 29659, June 1, 1998; 68 FR 46961, Aug. 7, 2003] This section is applicable to all stations using telephony except where § 80.102 Radiotelephone station identi- otherwise specified. fication. (a) Station licensees must not cause This section applies to all stations harmful interference. When radiation using telephony which are subject to is necessary or unavoidable, the testing this part. procedure described below must be fol- (a) Except as provided in paragraphs lowed: (d) and (e) of this section, stations (1) The operator must not interfere must give the call sign in English. with transmissions in progress. Identification must be made: (2) The testing station’s call sign, fol- (1) At the beginning and end of each lowed by the word ‘‘test’’, must be an- communication with any other station. nounced on the radio-channel being (2) At 15 minute intervals when used for the test. transmission is sustained for more (3) If any station responds ‘‘wait’’, than 15 minutes. When public cor- the test must be suspended for a min- respondence is being exchanged with a imum of 30 seconds, then repeat the ship or aircraft station, the identifica- call sign followed by the word ‘‘test’’ tion may be deferred until the comple- and listen again for a response. To con- tion of the communications. tinue the test, the operator must use (b) Private coast stations located at counts or phrases which do not conflict drawbridges and transmitting on the with normal operating signals, and navigation frequency 156.650 MHz may must end with the station’s call sign. identify by use of the name of the Test signals must not exceed ten sec- bridge in lieu of the call sign. onds, and must not be repeated until at (c) Ship stations transmitting on any least one minute has elapsed. On the authorized VHF bridge-to-bridge chan- frequency 2182 kHz or 156.800 MHz, the nel may be identified by the name of time between tests must be a minimum the ship in lieu of the call sign. of five minutes. (d) Ship stations operating in a vessel (b) Testing of transmitters must be traffic service system or on a waterway confined to single frequency channels under the control of a U.S. Government on working frequencies. However, 2182 agency or a foreign authoriy, when kHz and 156.800 MHz may be used to communicating with such an agency or contact ship or coast stations as appro- authority may be identified by the priate when signal reports are nec- name of the ship in lieu of the call essary. Short tests on 4125 kHz are per- sign, or as directed by the agency or mitted by vessels equipped with MF/HF foreign authority. radios to evaluate the compatibility of (e) Voice traffic in the INMARSAT the equipment for distress and safety system is closed to other parties except purposes. U.S. Coast Guard stations the two stations involved and the iden- may be contacted on 2182 kHz or 156.800 tification is done automatically with MHz for test purposes only when tests the establishment of the call. There- are being conducted by Commission fore, it is not necessary for these sta- employees, when FCC-licensed techni- tions to identify themselves periodi- cians are conducting inspections on be- cally during the communication. For half of the Commission, when qualified terrestrial systems using DSC to estab- technicians are installing or repairing lish radiotelephone communications, radiotelephone equipment, or when the identification is made at the begin- qualified ship’s personnel conduct an ning of the call. In these cases, both operational check requested by the parties must identify themselves by U.S. Coast Guard. In these cases the ship name, call sign or MMSI at least

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once every 15 minutes during radio- § 80.104 Identification of radar trans- telephone communications. missions not authorized. (f) VHF public coast stations licensed This section applies to all maritime to serve a predetermined geographic radar transmitters except radar beacon service area are not required to provide stations. station identification under this sec- (a) Radar transmitters must not tion. A site-based VHF public coast transmit station identification. station may identify by means of the (b) [Reserved] approximate geographic location of the OPERATING PROCEDURES—LAND station or the area it serves when it is STATIONS the only VHF public coast station serv- ing the location or there will be no § 80.105 General obligations of coast conflict with the identification of any stations. other station. Each coast station or marine-utility [51 FR 31213, Sept. 2, 1986, as amended at 52 station must acknowledge and receive FR 35244, Sept. 18, 1987; 68 FR 46961, Aug. 7, all calls directed to it by ship or air- 2003; 69 FR 64671, Nov. 8, 2004] craft stations. Such stations are per- mitted to transmit safety communica- § 80.103 Digital selective calling (DSC) tion to any ship or aircraft station. operating procedures. VHF (156–162 MHz) and AMTS (216–220 (a) Operating procedures for the use MHz) public coast stations may provide fixed or hybrid services on a co-pri- of DSC equipment in the maritime mo- mary basis with mobile operations. bile service are as contained in ITU–R M.541–9 (incorporated by reference, see [65 FR 77824, Dec. 13, 2000] § 80.7), and subpart W of this part. § 80.106 Intercommunication in the (b) When using DSC techniques, coast mobile service. stations and ship stations must use maritime mobile service identities (a) Each public coast station must exchange radio communications with (MMSI) assigned by the Commission or any ship or aircraft station at sea; and its designees. each station on shipboard or aircraft at (c) DSC acknowledgment of DSC dis- sea must exchange radio communica- tress and safety calls must be made by tions with any other station on ship- designated coast stations and such ac- board or aircraft at sea or with any knowledgment must be in accordance public coast station. with procedures contained in ITU–R (b) Each public coast station must M.541–9 (incorporated by reference, see acknowledge and receive all commu- § 80.7). Nondesignated public and pri- nications from mobile stations directed vate coast stations must follow the to it, transmit all communications de- guidance provided for ship stations in livered to it which are directed to mo- ITU–R M.541–9 (incorporated by ref- bile stations within range in accord- erence, see § 80.7), with respect to DSC ance with their tariffs. Discrimination ‘‘Acknowledgment of distress calls’’ in service is prohibited. and ‘‘Distress relays.’’ (See subpart W § 80.107 Service of private coast sta- of this part.) tions and marine-utility stations. (d) Group calls to vessels under the A private coast station or a marine- common control of a single entity are utility station is authorized to trans- authorized. A group call identity may mit messages necessary for the private be created from an MMSI ending in a business and operational needs of ships zero, assigned to this single entity, by and the safety of aircraft. deleting the trailing zero and adding a leading zero to the identity. § 80.108 Transmission of traffic lists by coast stations. [68 FR 46961, Aug. 7, 2003, as amended at 73 FR 4480, Jan. 25, 2008; 76 FR 67610, Nov. 2, (a) Each coast station is authorized 2011] to transmit lists of call signs in alpha- betical order of all mobile stations for which they have traffic on hand. These

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