Dear Phil
Sorry to differ with your flight deck management philosophy.
Please give me an example of when you (and others you know) would use the words 'departure' in the GNAV sense and conversion angle on a modern flight deck. In 45 years of professional flying I have never heard it discussed once.
If you are using them you need to seriously review your need for CRM training.
Especially if the equipment you are using is short - medium range helicopters where both calculations would have no significance on navigation accuracy.
Such terms are not even included in the FAA syllabus.
I did my original CAA ATPL back in the days of Astro-Nav. Should we go back to those days because it is good for the soul?
Does it improve CRM and flight safety?
I know it is difficult to adapt to the modern world but at least we need to try.