All vessels must carry at least three lifebuoys or two lifebuoys and two ball-floats. ... Ball floats must:
- possess buoyancy of not less than 7,5 kg in fresh water,
- be manufactured of suitable material and be resistant to oil and its derivatives and to temperatures of up to 50 °C,
- be so coloured as to be readily visible in the water,
- have a mass of not less than 1 kg,
- be surrounded by a net providing a grip.
