Imray Y series charts provide large-scale coverage of rivers and estuaries which cannot be shown in detail on C charts. The series also includes a number of coastal charts which are popular because of their handy size.
Y9 – The Wash
Y16 – Walton Backwaters to Ipswich and Woodbridge
Y23 – Poole Harbour
Y33 – Langstone and Chichester Harbours
Y58 – River Fal