can a home built EXP aircraft be flown IFR with hand held devices such as the tablet computer with the correct programs installed. Let's talk "is it Legal" not "it is smart".

91.205 gives us the required minimum instruments for flight, both VFR and IFR, for all aircraft operated in part 91, but does not say if the nav instruments are required to be mounted, it simply say's the aircraft must contain the equipment.