Didnt seem to bother the uboats in RL whether it was neutral of not
16.01.1940 - 22.01.1940
Second Sailing - active patrol
On the 16th Jan 1940, U-9 left Kiel under the command of Wolfgang Lüth for operations off of East Anglia and after six days arrived at Wilhelmshaven on 22nd Jan 1940.
Wolfgang Lüth hit two ships on this patrol.
- On 18th Jan 1940 he sank the Swedish 1,179 ton Flandria.
- On 19th Jan 1940 he sank the Swedish 1,188 ton Patria.
06.01.1940 - 16.01.1940
Seventh Sailing - active patrol
U-20 left Kiel under the command of Karl-Heinz Moehle on 6th Jan 1940 for operations E of the Orkneys and arrived at Wilhelmshaven on 16th Jan 1940 after one and a half weeks.
Karl-Heinz Moehle hit one ship on this patrol.
- On 13th Jan 1940 he sank the Swedish 1,524 ton Sylvia
16.01.1940 - 30.01.1940
First Sailing - active patrol
U-55 left Kiel under the command of Werner Heidel on 16th Jan 1940. The boat was sunk on 30th Jan 1940.
Werner Heidel hit six ships on this patrol, two of these ships were in convoy, both of them were from convoy OA-80G.
- On 18th Jan 1940 he sank the Swedish 1,304 ton Foxen.
- On 19th Jan 1940 he sank the Norwegian 1,694 ton Telnes.
- On 21st Jan 1940 he sank the Swedish 1,357 ton Andalusia.
- On 22nd Jan 1940 he sank the Norwegian 1,387 ton Segovia.
- On 30th Jan 1940 he sank the British 5,026 ton Vaclite, sailing with convoy OA-80G.
- On 30th Jan 1940 he sank the Greek 5,085 ton Keramiai, a member of convoy OA-80G.
Lol I thought Sweden were neutal ????
All above from
http://ubootwaffe.net/