LOS ANGELES: NASA hopes to score a 21st-century Wright Brothers moment on Monday as it attempts to send a miniature helicopter buzzing over the surface of Mars in what would be the first powered, controlled flight of an aircraft on another planet.
Landmark achievements in science and technology can seem humble by conventional measurements. The Wright Brothers' first controlled flight in the world of a motor-driven airplane, near Kitty Hawk, North Carolina, in 1903 covered just 120 feet (37 meters) in 12 seconds.
A modest debut is likewise in store for NASA's twin-rotor, solar-powered helicopter Ingenuity.
If all goes to plan, the 4-pound (1.8-kg) whirligig will slowly ascend straight up to an altitude of 10 feet (3 meters) above the Martian surface, hover in place for 30 seconds, then rotate before descending to a gentle landing on all four legs.
While the mere metrics may seem less than ambitious, the "air field" for the interplanetary test flight is 173 million miles from Earth, on the floor of a vast Martian basin called Jezero Crater. Success hinges on Ingenuity executing the pre-programmed flight instructions using an autonomous pilot and navigation system.
"The moment our team has been waiting for is almost here," Ingenuity project manager MiMi Aung said at a recent briefing at NASA's Jet Propulsion Laboratory (JPL) near Los Angeles.
NASA itself is likening the experiment to the Wright Brothers' feat 117 years ago, paying tribute to that modest but monumental first flight by having affixed a tiny swath of wing fabric from the original Wright flyer under Ingenuity's solar panel.
The robot rotorcraft was carried to the red planet strapped to the belly of NASA's Mars rover Perseverance, a mobile astrobiology lab that touched down on Feb. 18 in Jezero Crater after a nearly seven-month journey through space.
Although Ingenuity's flight test is set to begin around 3:30 a.m. Eastern Time on Monday (0730 GMT Monday), data confirming its outcome is not expected to reach JPL's mission control until around 6:15 a.m. ET on Monday. NASA also expects to receive images and video of the flight that mission engineers hope to capture using cameras mounted on the helicopter and the Perseverance rover, which will be parked 250 feet (76 meters) away from Ingenuity's flight zone. If the test succeeds, Ingenuity will undertake several additional, lengthier flights in the weeks ahead, though it will need to rest four to five days in between each to recharge its batteries. Prospects for future flights rest largely on a safe, four-point touchdown the first time.
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