The Admiralty Manuals are recognised worldwide as the leading authority on navigational knowledge and techniques. This new edition includes the use of satellites and the display of navigational information on electronic charts. Theory is combined with practice so safe and reliable operations can be learned. It will be “of benefit to all mariners on naval ships, commercial vessels or leisure craft”, Admiral Sir Jonathon Band GCB ADC, First Sea Lord and Chief of Naval Staff said in the foreword.