Arcane Scout Aircraft

You conjure a bolt or arcane energy which splits into 3 spectral aircraft. they have 1HP and AC equal to your spell save DC each.

Scout: All aircraft will patrol for enemies in a 250ft. sphere centered on the caster, the aircraft have a passive perception equal to the caster's save DC, reporting when they sight creatures of CR 1/2 or greater (they will report the number and species of the creatures) 

At higher levels: and the scouting range increases by 250ft. for each spell level above 1.