Activating the above setting in the TDW patcher will work as intended. I've created a mission with the Mission Editor with a German airbase at 20 km away, and a non-moving British ship target.
A 'convoy report' will trigger friendly planes to appear which will sink the ship very quickly. Or it will trigger a wolfpack sub AND friendly planes to join me, but this has crashed the game.
Changing the airbase into a British one will turn the tables against me, if I'm detected by the ship it will radio an alert and planes come in to attack me
Now, I need to see if I can change the spawn probability somehow in the 'Airstrike.cfg' file. Historically, German planes did rarely support submarines - very much to make Karl Doenitz angry...
The 'Airstrike.cfg' file is from IRAI, I have not changed it and it contains the necessary prerequisites already.
I wonder what happens if I activate this in my TWoS mod and how it would perform, I should get much more action, but also make British coastal patrols very dangerous

That's very good news indeed, and still I have not tested the 'Aircraft Carrier launch planes' part. However, I'm afraid I will soon see why all this has been disabled by default...I had 1 game crash already, this is not coincidental I think.
XS