At the end of the first 5 minutes,,556°C;,
At the end of the first 10 minutes,,659°C;,
At the end of the first 15 minutes,,718°C;,
At the end of the first 30 minutes,,821°C;,
At the end of the first 60 minutes,,925°C;,

Class I,Passenger ships engaged on voyages any of which are long international voyages;,
Class II,Passenger ships engaged only on short international voyages;,
Class II(A),Passenger ships engaged on voyages of any kind other than international voyages;,

Class VII,Ships (other than ships of Classes I, VII(A), VII(T), XI and XII) engaged on voyages any of which are long international voyages;,
Class VII(A),Ships employed as fish processing or canning factory ships, and ships engaged in the carriage of persons employed in the fish processing or canning industries;,
Class VII(T),Tankers engaged on voyages any of which are long international voyages;,
Class VIII,Ships (other than ships of Classes II, VIII(T), IX, XI and XII) engaged only on short international voyages;,
Class VIII(A),Ships (other than ships of Classes II(A) to VI(A) inclusive, VIII(A)(T), IX, IX(A), IX(A)(T), XI and XII) engaged on voyages which are not international voyages;,
Class VIII(T),Tankers engaged only on short international voyages;,
Class VIII(A)(T),Tankers engaged only on voyages which are not international voyages;,
Class IX,Tugs and tenders (other than ships of Classes II, II(A), III, VI and VI(A)) which proceed to sea but are not engaged on long international voyages;,
Class IX(A),Ships which do not proceed to sea;,
Class IX(A)(T),Tankers which do not proceed to sea;,
Class XI,Sailing ships (other than ships of Class XII) which proceed to sea;,
Class XII,Pleasure vessels (other than passenger ships) of 13.7 metres in length or over.,

500 but under 4,000,2,
4,000 or over,3,

500 but under 2,500,2,
2,500 but under 4,000,3,
4,000 or over,4,