Originally Posted by
maggot
Atc used to be thingy about it years back when qf asked us to do em in syd in nice weather (IVA time) ... ended up just asking for a 'visual via the gls' as (i suspect) they lost a lot of flexibility giving us a formal approach (not really what we were after any ways but, semantics.)
It's really just a phraseology thing for ATC. During IVAs it's generally expected you'll notify us about using the GLS for tracking but we could vector for a 4NM intercept. If you want the approach via IAF for practice or renewal then be clear with the request.