I can't choose 2xSC2000 as a loadout at all. Everything else with the HE-111 seems fine.

I have found some issues though:

I can confirm that if you make a DF mission without aircraft limitations it makes AI craft selectable.
EDIT: Temporary work around is to edit the home base and make at least one plane unavailable.

I still can't make the MK13 Late torpedo available in DF no matter what I've tried. I've gone so far as to edit the mission file manually.