§ 80.273   Radar standards.

   (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 following standards (all incorporated by reference, see § 80.7):

   (1) IEC 60945;

   (2) IEC 62388;

   (3) IMO Resolution A.694(17), as revised by IMO Resolution MSC.149(77);

   (4) IMO Resolution MSC.191(79);

   (5) IMO Resolution MSC.192(79); and

   (6) ITU-R M.1177-3.

   (b) Radar equipment installed on voluntarily equipped vessels must comply
   with IEC 62252 (incorporated by reference, see § 80.7).

   (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, as amended at  76 FR 67612 , Nov. 2, 2011]

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