No UK ship may proceed to sea unless it has been surveyed and there is in force:
(1) in the case of a (Class I) passenger ship engaged on international voyages, a Passenger Ship Safety Certificate, or, if the ship is only engaged on short international voyages (i.e. it is a Class II ship), a short international voyage Passenger Ship Safety Certificate; (2) in the case of a cargo ship of 300 GT or over on international voyages, a Cargo Ship Safety Radio Certificate; (3) in the case of a cargo ship of 500 GT or over on international voyages, a Cargo Ship Safety Equipment Certificate and a Cargo Ship Safety Construction Certificate. In the case of a cargo ship of 500 GT or over on international voyages, as an alternative to the separate certificates specified above, a Cargo Ship Safety Certificate may be issued. No cargo ship of 500 GT and over not engaged on international voyages may proceed to sea from a UK port unless it has been surveyed and a UK Cargo Ship Safety Construction Certificate is in force, unless a (SOLAS) Cargo Ship Safety Construction Certificate is in force.
