The main purpose of checking rescue and/or safety equipment is to ensure that it is working properly in the event of an emergency. This is why the life raft must always be checked and updated so that it is fully operational when it is used.

As well as checking the raft, checking the rest of the material is also essential:

The good condition of the fireworks can mean the difference between being spotted by a ship or aircraft or not being spotted at all. To this end, each year each product is checked to ensure it is in perfect condition so that, when the time comes, there is no inconvenience other than worrying about being attended to by the rescuer.

The Duarry ISO raft always carries three flares, two parachute rockets and a smoke canister. These must be used downwind and following the manufacturer's instructions, with the smoke canister being for use during the day and the more visible flares and rockets at night.