Is there a problem with these?
I couldn’t shoot when I was in the position, and then couldn’t change back to the pilot position… had to kill the gunner 
Are there some secret handshakes required???
I tested on pc in practice, still works.
There is a conflict of controls by default on PC that I know of. If you are on PC use your squad change button (Default Y I believe) instead of the numbers, as the numbers can conflict with flaps I believe.
Sometimes perhaps but in the case of Ju-188 not.
Flaps are default 1 and 2 and tailgunner is default also 2.
But on Ju-188 (more than 1 tailgunner) the useable tailgunner is not 2 but 4.
That doesnt conflict with any default setting.
Didn’t work for me - perhaps as has been noted because pilot is [1] and so is retract flaps??
Which still doesn’t explain why I couldn’t shoot