From what I understand RNP x requires operational approval from CASA, hence is Airbus and Boeing oriented.
The NOTAM seems to cover what to do for GA ops.
"C114/12
FLIGHT PLANNING REQUIREMENTS
TO CORRECTLY DEPICT GNSS CAPABILITY FOR ENR AND APP APPLICATIONS AND
ENSURE CORRECT ATC DISPLAY UNTIL ATC SYSTEMS ARE UPGRADED IN APRIL
2013, AMEND AIP AL73 EFFECTIVE NOV 15 2012 AS FOLLOWS:
ENR 1.10 PARA 3.3.2
PILOTS ABLE TO USE GNSS SHOULD FLIGHT PLAN FOR THE FOLLOWING
NAVIGATION APPLICATIONS:
A. NIGHT VFR AREA NAVIGATION OR IFR AREA NAVIGATION SHOULD INSERT G
AND Z IN FIELD 10 AND EITHER NAV/GPSRNAV OR NAV/RNP2 GPSRNAV IN FIELD
18 OF THE FLIGHT NOTIFICATION FORM,
B. RNAV(GNSS) NON-PRECISION APPROACH (OR RNP APCH LNAV) SHOULD
INSERT: G AND R IN FIELD 10 AND PBN/S1 IN FIELD 18 OF THE FLIGHT
NOTIFICATION FORM
FROM 10 161400 TO 01 160500 EST"
Last edited by NIK320; 22nd Oct 2012 at 11:47.