Handheld transceiver For best results, use with an external antenna connection and fresh batteries. Handheld navigation device A GPS or VOR receiver will do just fine. Keep fresh batteries at hand, though. If you've got one, take it. Although in-air use is prohibited by FCC law, the use of a cell phone in an emergency situation will probably be forgiven.
Charts Take more than the trip requires in case the weather goes sour over a large area.