|Convoy Codes||A listing of all convoy series 1939 - 1945.|
|Charted convoy routes||Plots of daily positions for 64 selected convoys.|
|Convoy Signals||Recognized signals that were authorized for use in convoy.|
|7 year Calendar||Monthly calendars for 1939 - 1945 with lunar phases.|
|Sunrise/ Sunset||Times of sunrise, sunset, twilight and lunar phases for
1939 - 1945 for any geographical position.
|Distance||Calculate distance between 2 points on the earth's surface|
|Freetown Entry||Sailing Directions for entering Freetown harbour 1942.|
|Ebook||"The Convoy Goes Through" by Capt. F. H. Shaw.
Published by W. H. Allen & Co. 1942 (64pp).
|Merchant Shipping Movement Cards||Quickly find the reference to a particular ship in the National Archives and directly link to the page for ordering on-line.|
|Kriegsmarine U-boat Grid Charts||Selection of U-boat charts. Requires Flash.|
You are invited to contribute any extra information for inclusion on this site.