By 2020 any airplane that flies in controlled airspace is required to be equipped with ADS-B out. This applies to VFR as well as IFR flights. Of course, VFR fl

By 2020 any airplane that flies in controlled airspace is required to be equipped with ADS-B out. This applies to VFR as well as IFR flights. Of course, VFR flights can continue flying VFR if GPS shuts down, but IFR flights wouldn't have that option.