RVSM
2 ADRs + 2DMCs 1 Transponder 1 AP 1 FWC (for Alt alert func) 1 FCU channel (for alt target select and OP CLB/DES mode engagement) 2 PFDs (for alt indication)
RNAV 10
2 GPS 2 ND 2 FMGC (or 1 FMGC and 1 BACK UP NAV) 2 MCDUs 2 IRs
RNAV 5
1 FMGC 1 MCDU 2 NDs 1 IR 1 DME 1 VOR 1 GPS (if required)
RNAV 1/2
1 FMGC 1 MCDU 2 NDs 1 IR 1 GPS OR 1 VOR/DME receiver to update FM pos 1 FD in NAV mode
Basic-RNP1
1 FMGC 1 MCDU 2 NDs 2 IRs 1 GPS (Alerting func is provided by FMGC and MCDU) 1 FD in NAV mode
RNAV
not required navigation accuracy
RNAV (GNSS)
1 FMGC 1 MCDU 2 NDs 1 PFD on the PF side 1 DME 1 VOR 2 IRs 1 GPS (if required) 1 FD 2 FCU channels
CAT 1 ground equipment
Localizer and glideslope
outer marker (not req if other aid fixes are avail)
Middle Marker (not req when DME is placed)
Approach Lighting System
Runway lights (when RVR1,200m it shall be HIRL)
RTHL + RENL
RTZL + RCLL
CAT 1 Aircraft Equipment
1 ILS receiver
suitable nav displays (attitude, VSI, ASI for each pilot)
suitable failure annunciation available each pilot
1 Marker beacon (except when unnecessary)
1 DME (except when unnecessary)
1 ADF (except when unnecessary)
FD or AP
(except when unnecessary)
means when the flight route, approach procedure and the alternate don’t require it