Originally Posted by
CAT3C AUTOLAND
With single engine operations most Airbus models cannot do single engine fully managed approaches with the AP, so selected guidance must be used.
This has been recently changed in our FCOM. Except for older A320's, it is now allowed to fly managed non-precision with single engine.
z.khalid:
Selected Non-Precision: You operate the AP in TRACK and FPA. (You pull hdg/track and vs/fpa). You select whatever the airplane has to fly and you have to correct for any deviations.
Managed Non-Precision: You operate the AP in APPR NAV and FINAL mode. (You push the appr pb). The AP will follow the programmed lateral and vertical profile from the FMGS.
You can also fly a selected ILS approach, by selecting a TRACK and FPA to follow the ILS signal and correcting any deviation by adjusting track and fpa on the FCU.
Indeed, this doesn't make much sense as you can just press the APPR pb to intercept and follow LOC and G/S.
If I remember well, you have to fly a selected ILS if for some strange reason the AP doesn't intercept the ILS signal.
However, it makes much more sense to fly a manual approach in this case, instead of fiddling with the AP.
So if you are being vectored for an ILS appr, when cleared, just press appr pb to arm loc an g/s. The AP will then make the interception an follow the ILS.