LOS ANGELES: NASA's miniature robot helicopter Ingenuity performed a successful takeoff and landing on Mars early on Monday, achieving the first powered, controlled flight by an aircraft over the surface of another planet, the US space agency said.
The twin-rotor whirligig's debut on the Red Planet marked a 21st-century Wright Brothers moment for NASA, which said success could pave the way for new modes of exploration on Mars and other destinations in the solar system, such as Venus and Saturn's moon Titan.
Mission managers at NASA's Jet Propulsion Laboratory (JPL) near Los Angeles burst into applause and cheers as engineering data beamed back from Mars confirmed that the 4-pound (1.8-kg) solar-powered helicopter had performed its maiden 39-second flight as planned three hours earlier.
Altimeter readings from the rotorcraft showed that it became airborne at 3:34 a.m. EDT (0734 GMT), climbed as programmed to a height of 10 feet (3 meters), then hovered steadily in place over the Martian surface for half a minute before touching back down safely on its four legs, NASA said.
During NASA's presentation of the event livestreamed from JPL headquarters, mission managers also displayed its first images from the flight.
A black-and-white photo taken by a downward-pointing onboard camera while the helicopter was aloft showed the distinct shadow cast by Ingenuity in the Martian sunlight onto the ground just below it.
And a snippet of color video footage captured by a separate camera mounted on the NASA's Mars rover Perseverance, parked about 200 feet away, showed the helicopter in flight against the orange-colored landscape surrounding it.
"We can now say that human beings have flown an aircraft on another planet," said MiMi Aung, Ingenuity project manager at JPL.
SHORT FLIGHT FROM FAR AWAY
Despite the flight's brevity, it marked a historic feat in interplanetary aviation, taking place on an "air field" 173 million miles from Earth on the floor of a vast Martian basin called Jezero Crater.
NASA likened the achievement to the Wright Brothers' first controlled flight of their motor-driven airplane near Kitty Hawk, North Carolina, in December 1903 - a takeoff and landing that covered just 120 feet (37 meters) in 12 seconds.
Paying tribute to that modest but monumental first flight, NASA engineers affixed a tiny swath of wing fabric from the original Wright flyer under Ingenuity's solar panel before sending it on its way to Mars.
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