uzletati

1. (of an aircraft) to take off
   Avioni uzleću sa ove piste svakih deset minuta. — Planes take off from this runway every ten minutes.
   Dok avion uzleće, morate biti vezani. — While the plane is taking off, you must keep your seatbelt on.
2. (of birds) to fly up; to take wing
   Golubovi uzleću čim neko prođe kroz park. — The pigeons fly up as soon as someone walks through the park.

The verb is intransitive; the perfective is uzleteti.