The Collaborative International Dictionary of English v.0.48:

Aviate \A"vi*ate\, v. i. [imp. & p. p. Aviated; p. pr. & vb.
   n. Aviating.]
   To fly, or navigate the air, in an a["e]roplane or
   heavier-than-air flying machine. [Colloq.]
   [Webster 1913 Suppl.]