A320 Radio Nav disable

[tubby linton]

Have a look at this FAA AC and in particular appendix 2.
http://www.faa.gov/documentLibrary/m...%2090-101A.pdf

I think that your procedure only applies to RNP AR, as the normal requirement for a standard go around is an accuracy of 1.0 nm.

I would still like to know what GTG is.