test pilot

from WordNet (r) 3.0 (2006)

test pilot
    n 1: a pilot hired to fly experimental airplanes through
         maneuvers designed to test them

from Moby Thesaurus II by Grady Ward, 1.0

33 Moby Thesaurus words for "test pilot":
      aeronaut, aeroplaner, aeroplanist, air pilot, airplanist, analyst,
      analyzer, assayer, astronaut, aviator, barnstormer, birdman,
      captain, cloud seeder, commercial pilot, copilot, crop-duster,
      essayer, experimenter, flier, instructor, jet jockey,
      licensed pilot, pilot, rainmaker, research worker, researcher,
      stunt flier, stunt man, test driver, tester, tryer-out, wingman