I've given up on my watch crew and switched to playing with map contacts on - not my preferred mode, but better than having a Watch Crew that doesn't actually watch!
Irritatingly, however, I now find that after diving to avoid escorts and the like my Watch crew never bloody shuts up!
Kaleun: OK men, level her off and switch to silent running - we'll stay down here unti..
Dieter: WARSHIP BEARING 157!!!
Kaleun, slightly stunned: Er, thanks Dieter...well spotted from 75m down, by the way...anyway, we'll stay down here and double bac..
Dieter: WARSHIP BEARING 157!!
Kaleun: Dieter, what part of 'silent' running are you not getting here!!
...and so on....