First Flight on Another Planet
NASA's Ingenuity helicopter completed the first powered flight on Mars
April 19, 2021
Flying on Another World
On April 19, 2021, a small helicopter called Ingenuity lifted off from the surface of Mars and hovered for 39 seconds, reaching an altitude of about 3 meters. It was the first powered, controlled flight by an aircraft on another planet. The Wright Brothers made the first powered flight on Earth in 1903 — NASA's team attached a small piece of fabric from their aircraft to Ingenuity as a tribute. When data confirming the flight arrived at mission control, the team erupted in cheers. NASA officially named the Martian airfield "Wright Brothers Field."
Why Flying on Mars Is Hard
Mars has an atmosphere just 1% as dense as Earth's. To generate lift in such thin air, Ingenuity's blades had to spin at about 2,500 revolutions per minute — roughly five times faster than a helicopter on Earth. The craft weighed only 1.8 kilograms and had to survive Martian nights where temperatures drop to minus 90 degrees Celsius. It carried no science instruments — its sole mission was to prove that flight on Mars was possible. It had originally been designed for just five test flights.
Far Beyond Expectations
Ingenuity far exceeded its planned mission. Rather than five flights, it completed 72 flights before contact was lost in January 2024 after a rotor blade was damaged on landing. It traveled a total of more than 17 kilometers across the Martian surface and reached top speeds of 8 meters per second. The helicopter served as a scout for the Perseverance rover, identifying safe paths and points of interest. Its success has already influenced plans for larger aerial vehicles on future Mars missions. Use the date calculator to see how long it flew.