Professional Navigation < BACK Saab R4 Class A AIS Transponder system – IMO Compliant for SOLAS class ships   AIS is today a SOLAS requirement for vessels over 300 GT on international voyages, cargo ships above 500 GT in national waters, and passenger ships of all sizes. AIS provides automatic information exchange between ships, and between ships and shore stations over two global VHF radio frequencies. Fourth-generation AIS Saab’s fourth-generation AIS technology utilises software-defined radio, making it software upgradable to other product versions. Wide market More than 16,000 units supplied. Supported by Saab’s global network of sales and service partners. • BSH Type Approval Certificate no. BSH/4612/4320507/07 with United States Coast Guard Approval no. 165.155/EC0735/4320507 for R4 AIS Shipborne Class A Transponder System including AIS part of combined AIS and Navigation System • China Classification Society (CCS) Type Approval Certificate, no GB07T00016 for R4 AIS Shipborne Class A Transponder System • Grant of equipment authorization, FCC id: QWZR4-AIS for R4 AIS Shipborne Class A Transponder System • Canadian Type Approval Certificate no. 4660A-R4AIS A for R4 AIS Shipborne Class A Transponder System         home products satellite TV satellite communications navigation military/OEM marine AV commercial marine   links quality press videos terms & conditions contact