After years of design, development, and testing, NASA’s X-59 quiet supersonic research aircraft took to the skies for the first time Oct. 28, marking a
NASA Armstrong Public Affairs SpecialistAfter years of design, development, and testing, NASA’s X-59 quiet supersonic research aircraft took to the skies for the first time Oct. 28, marking a historic moment for the field of aeronautics research and the agency’s Quesst mission.
The X-59, designed to fly at supersonic speeds and reduce the sound of loud sonic booms to quieter sonic thumps, took off at 11:14 a.m. EDT and flew for 67 minutes. The flight represents a major step toward quiet supersonic flight over land. “Once again, NASA and America are leading the way for the future of flight,” said acting NASA Administrator Sean Duffy. “The X-59 is the first of its kind, and a major breakthrough in America’s push toward commercial air travel that’s both quiet and faster than ever before. Thanks to the X-59 team’s innovation and hard work, we’re revolutionizing air travel. This machine is a prime example of the kind of ingenuity and dedication America produces.” Following a short taxi from contractor Lockheed Martin’s Skunk Works facility, NASA X-59 test pilot Nils Larson approached U.S. Air Force Plant 42’s runway in Palmdale, California, where he completed final system checks and called the tower for clearance. NASA’s X-59 quiet supersonic research aircraft cruises above Palmdale and Edwards, California, during its first flight, Tuesday, Oct. 28, 2025. The aircraft will traveled to NASA’s Armstrong Flight Research Center in Edwards, California.Then, with a deep breath, steady hands, and confidence in the labor of the X-59’s team, Larson advanced his throttle, picking up speed and beginning his climb – joining the few who have taken off in an experimental aircraft for the first time. “All the training, all the planning that you’ve done prepares you,” Larson said. “And there is a time when you realize the weight of the moment. But then the mission takes over. The checklist starts. And it’s almost like you don’t even realize until it’s all over – it’s done.” The X-59’s first flight went as planned, with the aircraft operating slower than the speed of sound at 230 mph and a maximum altitude of about 12,000 feet, conditions that allowed the team to conduct in-flight system and performance checks. As is typical for an experimental aircraft’s first flight, landing gear was kept down the entire time while the team focused on ensuring the aircraft’s airworthiness and safety. The aircraft traveled north to Edwards Air Force Base, circled before landing, and taxied to its new home at NASA’s Armstrong Flight Research Center in Edwards, California, officially marking the transition from ground testing to flight operations. “In this industry, there’s nothing like a first flight,” said Brad Flick, center director of NASA Armstrong. “But there’s no recipe for how to fly an X-plane. You’ve got to figure it out, and adapt, and do the right thing, and make the right decisions.” NASA’s X-59 quiet supersonic research aircraft flies above Palmdale and Edwards, California, on its first flight Tuesday, Oct. 28, 2025. The aircraft will travel to NASA’s Armstrong Flight Research Center in Edwards, California, where it will begin flight testing for NASA’s Quesst mission, which aims to demonstrate quiet supersonic flight over land.The X-59 is the centerpiece of NASA’s Quesst mission and its first flight connects with the agency’s roots of flying bold, experimental aircraft. “The X-59 is the first major, piloted X-plane NASA has built and flown in over 20 years – a unique, purpose-built aircraft,” said Bob Pearce, NASA associate administrator for the Aeronautics Research Mission Directorate. “This aircraft represents a validation of what NASA Aeronautics exists to do, which is to envision the future of flight and deliver it in ways that serve U.S. aviation and the public.”that pushed the edges of flight. In 1947, the X-1 broke the sound barrier. More than a decade later, the X-15 pushed speed and altitude to new extremes. Starting in the 1960s, the X-24 shaped how we understand re-entry from space, and in the 1980s the X-29 tested forward-swept wings that challenged aerodynamic limits. Each of those aircraft helped answer a question about aeronautics. The X-59 continues that tradition with afocused on sound – reducing loud sonic booms to sonic thumps barely audible on the ground. The X-59 was built for one purpose: to prove that supersonic flight over land can be quiet enough for public acceptance. NASA test pilot Nils Larson steps out of the X-59 after successfully completing the aircraft’s first flight Tuesday, Oct. 28, 2025. The mission marked a key milestone in advancing NASA’s Quesst mission to enable quiet supersonic flight over land.Getting off the ground was only the beginning for the X-59. The team is now preparing the aircraft for full flight testing, evaluating how it will handle and, eventually, how its design will shape shock waves, which typically result in a sonic boom, in supersonic flight. The X-59 will eventually reach its target cruising speed of about 925 mph at 55,000 feet. The aircraft’s design sits at the center of that testing, shaping and distributing shock-wave formation. Its engine is mounted on top of the fuselage – the main body of the aircraft – to redirect air flow upward and away from the ground. The cockpit sits mid-fuselage, with no forward-facing window. Instead, NASA developed an eXternal Vision System – cameras and advanced high-definition displays that allow the pilot to see ahead and below the aircraft, which is particularly critical during landing. These design choices reflect years of research and modeling – all focused on changing how the quieter sonic thump from a supersonic aircraft will be perceived by people on the ground. NASA’s goal is to gather community response data to support the development of new standards for acceptable levels of sound from commercial supersonic flight over land. To do this, NASA will fly the X-59 over different U.S. communities, collecting ground measurement data and survey input from residents to better understand people’s perception of the X-59’s sonic thump. “Most X-planes only live in the restricted airspace here on center,” Flick said. “This one is going to go out and fly around the country.” When the X-59 lifted off the ground for the first time, it carried a piece of NASA’s history back into the air. And with it, a reminder that advancing aeronautics remains central to NASA’s mission.
Aeronautics Research Mission Directorate Armstrong Flight Research Center Commercial Supersonic Technology Integrated Aviation Systems Program Low Boom Flight Demonstrator NASA Aircraft Quesst (X-59) Quesst: The Vehicle Supersonic Flight
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