An example created from Admiralty chart 1121 it is a full size chart size approx 80cm x 120cm when framed .The area is from The Mull of Kintyre to The Bristol Channel and includes the Eastern Irish Coastline Rathlin to Waterford .

Not only does it have the main Lighthouses but also many of the smaller Navigational buoys and channel markers in total around 110 lights operating to their correct flashing sequences.