COMPULSORY PILOTAGE Pilotage is compulsory for large crude carriers and all vessels over 130 metres LOA within a distance of 2·5 miles south of Roches Point light (51 47·58N., 8 15·28W.). Pilotage is compulsory for all vessels west of Spit Bank light (51 50·72N., 8 16.45W). For further details see Admiralty List of Radio Signals.