Hi Mikkel,
One aspect of your story is the German radar coverage and fighter control capacity off the coast - and it was awesome. Please see:
http://www.gyges.dk/Norge%20Flum%20Stellung%2011.pdf
I for one would not like to be within 40 nm of the coast - in a Sunderland.
You may want also to post your question here:
http://www.ahs.no/forum/index.php
bregds
SES
www.gyges.dk