A test pilot is an aviation professional who is responsible for flying new and experimental aircraft to evaluate their performance, safety, and reliability. Synonyms for this term include aerospace test pilot, experimental test pilot, and flight test engineer. These professionals possess an extensive knowledge of aircraft engineering, physics, and aerodynamics and have undergone rigorous training and education in their field. Test pilots play a crucial role in the development of new aircraft, helping manufacturers to address potential issues and improve the design and functionality of their products before they are released to the general public. As aviation technology continues to advance, skilled test pilots will remain in high demand.