"Roy Smith" wrote in message
...

There is one official way you communicate to ATC what navigational
capabilities your aircraft has, that that's the equipment suffix on your
type code. File /U, and they'll give you clearances you can execute with
VOR receivers. File /A, and they'll expect you to be able to identify DME
fixes. File /G, and they'll expect you to be able to go direct to any
en-route fix and fly GPS approaches.


Whether you file /U, /A, or /G, ATC will expect you to be able to fly
whatever you file. If ATC must issue a reroute it should not require any
capability beyond what you indicated in your equipment suffix.



On the other hand, if you file /U and put "VFR GPS on board", you're
leaving it to them to guess what you want, since "VFR GPS on board" has no
official meaning. The most common guess seems to be "treat me as if I had
filed /G", so they do. It turns out that this is indeed what most people
want, so it works out and everybody's happy. You seem to be wanting
something different, but I'm not sure what it is.


What about those folks that file /A and airways and put "VFR GPS" in
remarks? What do they want?