The range of AIS transponders on offer is large and sometimes confusing, with between 420 and 1300 euros to invest. And first you have to make a decision: Should the device only transmit, or should it also display the positions of other ships in the on-board navigation electronics? Then: Do you even want to equip it to Class A like the professionals or is Class B for pleasure craft enough, which is cheaper and can be installed by yourself? On top of this, there are two technologies for radio transmission.

Deputy Chief Editor YACHT