Peter wrote: According to many threads here, Avidyne IFD boxes also offer +V. What I don’t know is whether they offer it if SBAS is not available, but that isn’t so important because SBAS is practically always available in Europe I think @eal has that in his JetProp in Thailand, however, it was IFD used for RNP (L/VNAV with BARO), the IFD while being outside SBAS coverage is able to show...