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portion of a county, other than to unserved households located in that county.

PART II-RADIO EQUIPMENT AND RADIO

OPERATORS ON BOARD SHIP

SEC. 351. [47 U.S.C. 351) SHIP RADIO STATIONS AND OPERATIONS.

(a) Except as provided in section 352 hereof it shall be unlawful

(1) For any ship of the United States, other than a cargo ship of less than three hundred gross tons, to be navigated in the open sea outside of a harbor or port, or for any ship of the United States or any foreign country, other than a cargo ship of less than three hundred gross tons, to leave or attempt to leave any harbor or port of the United States for a voyage in the open sea, unless such ship is equipped with an efficient radio station in operating condition, as specified by subparagraphs (A) and (B) of this paragraph, in charge of and operated by one or more radio officers or operators, adequately installed and protected so as to insure proper operation, and so as not to endanger the ship and radio station as hereinafter provided, and, in the case of a ship of the United States, unless there is on board a valid station license issued in accordance with this Act.

(A) Passenger ships irrespective of size and cargo ships of one thousand six hundred gross tons and upward shall be equipped with a radiotelegraph station complying with the provisions of this part;

(B) Cargo ships of three hundred gross tons and upward but less than one thousand six hundred gross tons, unless equipped with a radiotelegraph station complying with the provisions of this part, shall be equipped with a radiotelephone station complying with the provisions of this part.

(2) For any ship of the United States of one thousand six hundred gross tons and upward to be navigated in the open sea outside of a harbor or port, or for any such ship of the United States or any foreign country to leave or attempt to leave any harbor or port of the United States for a voyage in the open sea, unless such ship is equipped with efficient radio direction finding apparatus approved by the Commission, properly adjusted in operating condition as hereinafter provided.

(b) A ship which is not subject to the provisions of this part at the time of its departure on a voyage shall not become subject to such provisions on account of any deviation from its intended voyage due to stress of weather or any other cause over which neither the master, the owner, nor the charterer (if any) has control. SEC. 352. (47 U.S.C. 352) EXCEPTIONS.

(a) The provisions of this part shall not apply to
(1) A ship of war;

(2) A ship of the United States belonging to and operated by the Government, except a ship of the Maritime Administration of the Department of Transportation, the Inland and Coastwise Waterways Service, or the Panama Canal Company;

(3) A foreign ship belonging to a country which is a party to any Safety Convention in force between the United States and that country which ship carries a valid certificate exempting said ship from the radio provisions of that Convention, or which ship conforms to the radio requirements of such Convention or Regulations and has on board a valid certificate to that effect, or which ship is not subject to the radio provisions of any such Convention;

(4) Yachts of less than six hundred gross tons not subject to the radio provisions of the Safety Convention;

(5) Vessels in tow;

(6) A ship navigating solely on any bays, sounds, rivers, or protected waters within the jurisdiction of the United States, or to a ship leaving or attempting to leave any harbor or port of the United States for a voyage solely on any bays, sounds, rivers, or protected waters within the jurisdiction of the United States;

(7) A ship navigating solely on the Great Lakes of North America and the River Saint Lawrence as far east as a straight line drawn from Cap des Rosiers to West Point, Anticosti Island, and, on the north side of Anticosti Island, the sixty-third meridian, or to a ship leaving or attempting to leave any harbor or port of the United States for a voyage solely on such waters and within such area;

(8) A ship which is navigated during the course of a voyage both on the Great Lakes of North America and in the open sea, during the period while such ship is being navigated within the Great Lakes of North America and their connecting and tributary waters as far east as the lower exit of the Saint Lambert lock at Montreal in the Province of Quebec, Canada.

(b) Except for nuclear ships, the Commission may, if it considers that the route or the conditions of the voyage or other circumstances are such as to render a radio station unreasonable or unnecessary for the purposes of this part, exempt from the provisions of this part any ship or class of ships which falls within any of the following descriptions:

(1) Passenger ships which in the course of their voyage do not go more than twenty nautical miles from the nearest land or, alternatively, do not go more than two hundred nautical miles between two consecutive ports;

(2) Cargo ships which in the course of their voyage do not go more than one hundred and fifty nautical miles from the nearest land;

(3) Passenger vessels of less than one hundred gross tons not subject to the radio provisions of the Safety Convention;

(4) Sailing ships.

(c) If, because of unforeseeable failure of equipment, a ship is unable to comply with the equipment requirements of this part without undue delay of the ship, the mileage limitations set forth in paragraphs (1) and (2) of subsection (b) shall not apply: Provided, That exemption of the ship is found to be reasonable or necessary in accordance with subsection (b) to permit the ship to proceed to a port where the equipment deficiency may be remedied.

(d) Except for nuclear ships, and except for ships of five thousand gross tons and upward which are subject to the Safety Convention, the Commission may exempt from the requirements, for radio direction finding apparatus, of this part and of the Safety Convention, any ship which falls within the descriptions set forth in paragraphs (1), (2), (3), and (4) of subsection (b) of this section, if it considers that the route on conditions of the voyage or other circumstances are such as to render such apparatus unreasonable or unnecessary. SEC. 353. (47 U.S.C. 353) RADIO OFFICERS, WATCHES, AUTO ALARM.

RADIOTELEGRAPH EQUIPPED SHIPS. (a) Each cargo ship which in accordance with this part is equipped with a radiotelegraph station and which is not equipped with a radiotelegraph auto alarm, and each passenger ship required by this part to be equipped with a radiotelegraph station, shall, for safety purposes, carry at least two radio officers.

(b) A cargo ship which in accordance with this part is equipped with a radiotelegraph station, which is equipped with a radiotelegraph auto alarm, shall, for safety purposes, carry at least one radio officer who shall have had at least six months' previous service in the aggregate as a radio officer in a station on board a ship or ships of the United States.

(c) Each ship of the United States which in accordance with this part is equipped with a radiotelegraph station shall, while being navigated in the open sea outside of a harbor or port, keep a continuous watch by means of radio officers whenever the station is not being used for authorized traffic: Provided, That, in lieu thereof, on a cargo ship equipped with a radiotelegraph auto alarm in proper operating condition, a watch of at least eight hours per day, in the aggregate, shall be maintained by means of a radio officer.

(d) The Commission shall, when it finds it necessary for safety purposes, have authority to prescribe the particular hours of watch on a ship of the United States which in accordance with this part is equipped with a radiotelegraph station.

(e) On all ships of United States equipped with a radiotelegraph auto alarm, said apparatus shall be in operation at all times while the ship is being navigated in the open sea outside of a harbor or port when the radio officer is not on watch. SEC. 354. (47 U.S.C. 353a] OPERATORS, WATCHES-RADIOTELEPHONE

EQUIPPED SHIPS. (a) Each cargo ship which in accordance with this part is equipped with a radiotelephone station shall, for safety purposes, carry at least one operator who may be the master, an officer, or a member of the crew.

(b) Each cargo ship of the United States which in accordance with this part is equipped with a radiotelephone station shall, while being navigated in the open sea outside of a harbor or port, maintain continuous watch whenever the station is not being used for authorized traffic. SEC. 355. (47 U.S.C. 354) TECHNICAL REQUIREMENTSRADIO.

TELEGRAPH EQUIPPED SHIPS. The radiotelegraph station and the radio direction finding apparatus required by section 351 of this part shall comply with the following requirements:

(a) The radiotelegraph station shall include a main installation and a reserve installation, electrically separate and electrically independent of each other: Provided, That, in installations on cargo ships of three hundred gross tons and upward but less than one thousand six hundred gross tons, and in installations on cargo ships of one thousand six hundred gross tons and upward installed prior to November 19, 1952, if the main transmitter complies with all the requirements for the reserve transmitter, the latter may be omitted.

(b) The radiotelegraph station shall be so located that no harmful interference from extraneous mechanical or other noise will be caused to the proper reception of radio signals, and shall be placed in the upper part of the ship in a position of the greatest possible safety and as high as practicable above the deepest load waterline. The location of the radiotelegraph operating room or rooms shall be approved by the Commandant of the Coast Guard. The radiotelegraph installation shall be installed in such a position that it will be protected against the harmful effects of water or extremes of temperature, and shall be readily accessible both for immediate use in case of distress and for repair.

(c) The radiotelegraph operating room shall be of sufficient size and of adequate ventilation to enable the main and reserve radiotelegraph installations to be operated efficiently, and shall not be used for any purpose which will interfere with the operation of the radiotelegraph station. The sleeping accommodation of at least one radio officer shall be situated as near as practicable to the radiotelegraph operating room. In ships the keels of which are laid on or after May 26, 1965, this sleeping accommodation shall not be within the radiotelegraph operating room.

(d) The main and reserve installations shall be capable of transmitting and receiving on the frequencies, and using the classes of emission, designated by the Commission pursuant to law for the purposes of distress and safety of navigation.

(e) The main and reserve installations shall, when connected to the main antenna, have a minimum normal range of two hundred nautical miles and one hundred nautical miles, respectively; that is, they must be capable of transmitting and receiving clearly perceptible signals from ship to ship by day and under normal conditions and circumstances over the specified ranges.

(f) Sufficient electrical energy shall be available at all times to operate the main installation over the normal range required by subsection (e) of this section as well as for the purpose of charging any batteries forming part of the radiotelegraph station.

(g) The reserve installation shall include a source of electrical energy independent of the propelling power of the ship and of any other electrical system and shall be capable of being put into operation rapidly and of working for at least six continuous hours. The reserve source of energy and its switchboard shall be as high as practicable in the ship and readily accessible to the radio officer.

(h) There shall be provided between the bridge of the ship and the radiotelegraph operating room, and between the bridge and the location of the radio direction finding apparatus, when such apparatus is not located on the bridge, an efficient two-way system for calling and voice communication which shall be independent of any other communication system in the ship.

(i) The radio direction finding apparatus shall be efficient and capable of receiving signals with the minimum of receiver noise and of taking bearings from which the true bearing and direction may be determined. It shall be capable of receiving signals on the radio-telegraph frequencies assigned by the radio regulations annexed to the International Telecommunication Convention in force for the purpose of distress, direction finding, and maritime radio beacons, and, in installations made after May 26, 1965, such other frequencies as the Commission may for safety purposes designate. SEC. 356. (47 U.S.C._354a) TECHNICAL REQUIREMENTS-RADIO

TELEPHONE EQUIPPED SHIPS. Cargo ships of three hundred gross tons and upward but less than one thousand six hundred gross tons may, in lieu of the radiotelegraph station prescribed by section 355, be equipped with a radiotelegraph station complying with the following requirements:

(a) The radiotelephone station shall be in the upper part of the ship, so located that it is sheltered to the greatest possible extent from noise which might impair the correct receiption of messages and signals, and, unless such station is situated on the bridge, there shall be efficient communication with the bridge.

(b) The radiotelephone installation shall be capable of transmitting and receiving on the frequencies, and using the classes of emission, designated by the Commission pursuant to law for purposes of distress and safety of navigation.

(c) The radiotelephone installation shall have a minimum normal range of one hundred and fifty nautical miles; that is, it shall be capable of transmitting and receiving clearly perceptible signals from ship to ship by day and under normal conditions and circumstances over this range.

(d) There shall be available at all times a main source of electrical energy sufficient to operate the installation over the normal range required by subsection (c) of this section. If batteries are provided they shall have sufficient capacity to operate the transmitter and receiver for at least six continuous hours under normal working conditions. In installations made on or after November 19, 1952, a reserve source of electrical energy shall be provided in the upper part of the ship unless the main source of energy is so situated. SEC. 357. (47 U.S.C. 355) SURVIVAL CRAFT.

Every ship required to be provided with survival craft radio by treaty to which the United States is a party, by statute, or by regulation made in conformity with a treaty, convention, or statute, shall be fitted with efficient radio equipment appropriate to such requirement under such rules and regulations as the Commission may find necessary for safety of life. For purposes of this section, "radio equipment” shall include portable as well as nonportable apparatus. SEC. 358. (47 U.S.C. 356) APPROVAL OF INSTALLATIONS.

Insofar as is necessary to carry out the purposes and requirements of this part, the Commission shall have authority, for any ship subject to this part

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