This International Standard specifies the performance and type testing of marine echo-sounding equipment required by Regulation 12 of Chapter V of the International Convention for the Safety of Life at Sea, 1974 (SOLAS 1974) as amended.
It establishes, when used in conjunction with IEC 945, minimum performance requirements, test methods and required test results for marine echo-sounding equipment which measures the depth of water under a ship by transmitting pulsed acoustic energy and timing the return of the echo from the sea-bed.
Section 2 gives the performance requirements, based on IMO Resolution A.224(VII).
Section 3 consists of the test methods and the required test results.