Operational measures affect the sound generated by a ship and shipping by changes in the operation. The SONIC project has studied the following operational measures:
1 Include noise into the process of marine spatial planning, this means for example changing the location of
shipping routes to reduce the noise levels at locations relevant for wild-life.
2 Introduce a “noise-label” for vessels in a certain area, to limit the “amount” of noise that is produced by a vessel
through regulation.
3 Introduce a speed limit for vessels. The speed of the vessels is an important factor in the amount of noise
produced by a vessel. Limiting the speed of vessels, whether or not in a certain area of time of year, could reduce
the impact of the noise in a certain area.