VDR . S-VDR . GYRO . RADAR . AIS . GPS . ECDIS . NAVTEX . FISH FINDER . AUTO PILOT . MARINE CLOCK SYSTEM . SONAR . INMARSAT-C . EPIRB . SART . SSAS . VHF RADIO . MF/HF RADIO . POWER SUPPLY . PUBLIC ADDRESSER . 7/24 SERVICE .