Whopity
A Happy New Year to you.
Interesting.
I've never experienced anyone who was not 'at the controls' being able to log time in a capacity of flight crew.
All my jump seat flights, whether it be observing or 'training/supervising' have all been logged as SNY and that was always accepted by the various airlines - which is the point of this Thread and reflects the comments made by nick14 in his opening Post.
FOK