§  80.273   Technical requirements for radar equipment.

   (a) Radar installations on board ships that are required by the Safety
   Convention or the U.S. Coast Guard to be equipped with radar must
   comply with the documents referenced in the following paragraphs of
   this section. These documents contain specifications, standards and
   general requirements applicable to shipboard radar equipment and
   shipboard radar installations. For purposes of this part the
   specifications, standards and general requirements stated in these
   documents are mandatory irrespective of discretionary language. The
   standards listed in this section are incorporated by reference. The
   Director of the Federal Register approves this incorporation by
   reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies
   of these standards can be inspected at the Federal Communications
   Commission, 445 12th Street, SW., Washington, DC (Reference Information
   Center) or at the National Archives and Records Administration (NARA).
   For information on the availability of this material at NARA, call
   202-741-6030, or go to
   http://www.archives.gov/federal_register/code_of_federal_regulations/ib
   r_locations.html . The IMO standards can be purchased from
   International Maritime Organization (IMO), Publications, International
   Maritime Organization, 4 Albert Embankment, London SE1 7SR, United
   Kingdom; telephone 011 44 71 735 7611. IEC publications can be
   purchased from the International Electrotechnical Commission, 3 Rue de
   Varembe, CH-1211 Geneva 20, Switzerland, or from the American National
   Standards Institute (ANSI) through its NSSN operation ( www.nssn.org ),
   at Customer Service, American National Standards Institute, 25 West
   43rd Street, New York, NY 10036, telephone (212) 642-4900. ITU
   documents can be purchased from the International Telecommunication
   Union (ITU), Place des Nations, CH-1211 Geneva 20, Switzerland (
   www.itu.int. )

   (b) Radar installed on or after March 25, 2008 on ships of 300 tons
   gross tonnage and upwards, and radar installed on a ship after March
   25, 2008, and certificated by the U.S. Coast Guard under the IMO Code
   for the Safety of High Speed Craft (Resolution MSC.36(63), May 20,
   1994, with Supplement (2002) must comply with:

   (1) IMO Resolution MSC.64(67), "Adoption of New and Amended Performance
   Standards," Annex 4, "Recommendation on performance standards for radar
   equipment," adopted on 4 December 1996;

   (2) The emission limits contained in ITU Radio Regulations, Appendices
   Edition of 2004, Appendix 3 (Rev. WRC-03), "Tables of maximum permitted
   power levels for spurious or spurious domain emissions," Section
   II--"Spurious domain emission limits for transmitters installed after 1
   January 2003 and for all transmitters after 1 January 2012," including
   Annex 1; and

   (3) ITU-R M.1177-3, "Techniques for measurement of unwanted emissions
   of radar systems," including Annexes 1 and 2 and all appendices, 2003.

   (c) For any ship of 10,000 tons gross tonnage and upwards or that is
   otherwise required to be equipped with two radar systems, each of the
   two radar systems must be capable of operating independently and must
   comply with the specifications, standards and general requirements set
   forth on paragraph (b) of this section. One of the systems must provide
   a display with an effective diameter of not less than 340 millimeters
   (13.4 inches), (16-inch cathode ray tube). The other system must
   provide a display with an effective diameter of not less than 250
   millimeters (9.8 inches), (12-inch cathode ray tube).

   (d) Radar installed before March 25, 2008 must meet and be maintained
   to comply with the Commission's regulations in effect for the equipment
   on the date of its installation.

   [ 73 FR 4483 , Jan. 25, 2008]