Plans included:Boston (1:10 000)King’s Lynn (1:15 000)Brancaster Harbour and Overy Staithe (1:35 000)Wells-next-the-Sea (1:30 000)Blakeney Harbour (1:40 000)Wisbech Yacht Harbour (1:6250)On this 2018 edition the chart specification has been improved to show coloured light flashes. The latest depth surveys have been applied. There has been general updating throughout.