Plenty of untowered fields with GPS approaches. Hayward, Palo Alto and Livermore are three that have closed towers at night — to be fair though, the GPS approac

Plenty of untowered fields with GPS approaches. Hayward, Palo Alto and Livermore are three that have closed towers at night — to be fair though, the GPS approach at Palo is prohibited at night, but Hayward’s is definitely available. Even untowered Sedona has an RNAV approach.