Imray Chart Y17 : The Rivers Colne, Blackwater, Crouch and Roach

Plans included: Continuation of River Colne to Colchester (1:35 000) Brightlingsea (1:15 000) Tollesbury Marina (1:12 500) Bradwell Marina (1:12 500) Burnham Yacht Harbour (1:12 500) Continuation of River Roach to Rochford and Havengore Creek (1:35 000) On this 2017 edition the latest depth surveys have been included. The chart specification has been improved to show coloured light flashes. There has been general updating throughout.