There is also Hf/Df but it might be more limited at this time in the war.


The Germans also used Fw 200 Condors to attack convoys located in the western reaches before they came under air cover from England.

Our ships have a max speed of 16 to 16.5 knots.

The Type VIIC U-boat has a top speed of 17.2 knots, Type IX U-boats were 18.2 knots.

That is not much advantage but enough to stay out of gun range on the surface but still shadow us.

U-boats would have even more advantage in heavy seas. All hand in the conning towers were tied in. They still lost men on some occasions though.


http://www.uboat.net/ops/wolfpacks/

here you can see the opposition and their locations by date. There are about 5 packs operating at this time and their locations.

The ones that concern us most are Breslau (6 boats) and possibly Schlagetot (9 boats). Two ships from my estimate of the convoy we are escorting were lost to U-82 west of Ireland.

The ship data is incomplete on ships and types so I can’t tell if we have any CAM ships with the convoy. http://en.wikipedia.org/wiki/CAM_ship


Extent of Air patrols. 1941 is area A the dotted line.
http://www.nzetc.org/tm/scholarly/WH...-2RAF020b.html