Originally Posted by
cessnapete
I don’t know about Australia, but a stock IFR certified Garmin G430W allows you to carry out an ILS or GNSS LPV approach. Vertical guidance to CAT 1 limits at many places in USA and here in UK.
The LPV requires WAAS or EGNOS SBAS..... I don't know if a similar system is available for Australia?
You can fly LNAV or LNAV/VNAV with BARO without SBAS though.