Chart 100 shows the main trend of depth contours, limits of ice, magnetic variations and keys routes as identified by Donald M. Street Jr. In the enclosed booklet are pilot charts showing winds, currents and wave height frequencies with accompanying notes on favourable route timings and hurricane risk. Chart 100 is an important companion for Atlantic yachtsmen on passage and an excellent source of planning information.

St Andrews (1:7500) Crail (1:7500) Anstruther (1:7500) St Monans (1:7500) Elie (1:10 000) Methil Docks (1:11 000) Pettycur & Kinghorn (1:17 500) Inchkeith (1:25 000) Burntisland (1:20 000) Aberdour (1:12 500) Inchcolm (1:15 000) Dalgety Bay (1:15 000) Inverkeithing (1:15 000) North Queensferry & Port Edgar (1:20 000) Charlestown & Limekilns (1:15 000) Grangemouth & Entrance to River Carron (1:17 500) Continuation to Forth & Clyde Canal Entrance (1:17 500) Granton (1:12 500) Fisherrow (1:12 500) North Berwick (1:7500) Dunbar (1:7500)

Plans: Golfo di Policastro Approaches to Vibo Valentia Isole Alicudi Stretto di Messina

Carnlough Harbour (sketch plan) Larne (1:18 500) Carrickfergus (1:15 000) Bangor Bay (1:17 500) Donaghadee Sound (1:25 000) Entrance to Strangford Lough (1:37 500) Portaferry Marina (1:7500) Strangford (1:5000) Ardglass (1:15 000) Stranraer (1:12 500) Portpatrick (1:6000)

On this 2018 edition the chart specification has been improved to show coloured light flashes. Depths have been updated from the latest surveys where available. The inset plan of Broad Haven Bay has been extended east to include Ross Port. There has been general updating throughout.

On this edition the chart specification has been improved to show coloured light flashes. Updated depth surveys have been included where applicable. The harbour plans of L'Aber-Ildut and Argenton are now drawn at a scale of 1:25 000. The plan showing the approaches to Roscoff has been extended east to include better approach coverage to Bloscon Marina. There has been general updating throughout.