RECOMMENDED TRACK This Recommended Track is intended for use by deep-draught vessels. Consult Admiralty Sailing Directions 8.38 and 8.40 for further information. VESSEL TRAFFIC SERVICE For procedures and working details of the Mina Salman Vessel Traffic Service, see Admiralty List of Radio Signals. DREDGING ACTIVITY Planned Dredging operations are due to take place along the length of the Bahrain Approach Channel. Mariners are advised to exercise extreme caution and to obey signals exhibited by the dredgers.