I have done one training fix under the guidance of my instructor. I now know how effective the system is should I have need of it.
Anyone abusing the facility with foul language ought to lose their licence
I've heard of people being criticised by
SkyGods for calling in when they are unsure of their position. If I ever get in such a situation I will call without hesitation rather than risk an unnecessary infringement of CAS.
That seems to me to be good airmanship.