Source : Webster's Revised Unabridged Dictionary (1913)

Aerially \A*["e]"ri*al*ly\, adv.
   Like, or from, the air; in an a["e]rial manner. ``A murmur
   heard a["e]rially.'' --Tennyson.

Source : WordNet®

aerially
     adv : in an aerial manner; by means of aircraft; "the survey was
           carried out aerially" [syn: {via aircraft}]