SCHEDULE 3 INFLATED BOATS

2.18 Construction
A boat shall be constructed in such a way that, when suspended by its bridle or lifting hook:
2.18.1 it is of sufficient strength and rigidity to enable it to be lowered and recovered with all its equipment and a crew of two persons;
2.18.2 it is of sufficient strength to withstand a load of 1.1 times the mass of its equipment and a crew of two persons at an ambient temperature of −30°C with relief valves operative; and
2.18.3 it is of sufficient strength to withstand a load of 4 times the mass of its equipment and a crew of two persons at an ambient temperature of 20 ± 3°C with all relief valves inoperative.