According to the international requirements regarding the security of ships and of port facilities (SOLAS XI-2, regulation 6) ships must be provided with a SSAS as follows
- Ships constructed on or after 1 July 2004,
- Passenger ships and passenger high-speed craft constructed before 1 July 2004 not later than at the first survey of their radio installation after 1 July 2004,
- Oil tankers, chemical tankers, gas carriers, bulk carriers and cargo high-speed craft of 500 GT and above constructed before 1 July 2004 not later than at the first survey of their radio installation after 1 July 2004.
- other cargo ships of 500 GT and above constructed before 1 July 2004 and mobile offshore drilling units not later than at the first survey of their radio installation after 1 July 200.
