NASA Targets 2024 for First Flight of X-59 Experimental Aircraft NASA - Aeronautics NASA’s Quesst mission has adjusted the scheduled first flight of its X-59 quiet supersonic aircraft to 2024. A one-of-a-kind experimental aircraft, the X ... https://www.nasa.gov/aeronautics/nasa-targets-2024-for-first-flight-of-x-59-experimental-aircraft/