avijatičar

1. dated aviator; airman
   Moj pradeda je bio avijatičar u Prvom svetskom ratu. — My great-grandfather was an aviator in the First World War.
   U muzeju ima izložba o prvim srpskim avijatičarima. — The museum has an exhibition about the first Serbian aviators.

In everyday modern speech pilot is usual; avijatičar sounds old-fashioned or historical.