Plans included:Sovereign Harbour (1:20 000)Rye Harbour (1:35 000)Folkestone Harbour (1:10 000)Dover (1:15 000)River Stour Entrance (1:35 000)Ramsgate (1:6500)Calais (1:20 000)Boulogne-sur-Mer (1:25 000)On this 2017 edition the latest depth surveys have been applied. The chart specification has been improved to show coloured light flashes. There has been general updating throughout.