Prominent solo investor Lachy Groom has backed a Bengaluru startup attempting an ambitious feat: keeping an aircraft in the sky for more than a year. Alteon, founded five million in a pre-seed round led This innovative approach has garnered significant attention from experts and investors alike, with Groom deciding he wanted to invest within the first 30 minutes of their first meeting, according to Sanghvi.

Alteon's ambitious plan is to initially use its aircraft for maritime surveillance, providing governments with real-time visibility into activity in their waters. The startup's vision is to build an aircraft with a three-meter-wingspan that will fly close to the ocean's surface, climb, and turn through faster-moving air, repeating the cycle to gain energy from the wind.

This process, known as dynamic soaring, has been studied extensively Gabriel Bousquet, who researched it during his PhD at MIT.

However, Alteon still faces significant technical challenges in achieving its goal. The startup's recent test of its autonomous flight system over the Bay of Bengal was a promising first result, with the aircraft autonomously completing seven O-shaped cycles at more than 62 miles per hour, flying within one meter of the water's surface.

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Nevertheless, proving that the aircraft can reliably extract enough energy from real-world winds to sustain flight for extended periods remains a daunting task.

Dr. Bharath Swaminathan, who earned his PhD from IIT Madras studying the stability of dynamic soaring, acknowledged Alteon's effort as commendable, but noted that local wind shear and turbulence can vary substantially, complicating an aircraft's ability to continuously extract energy from the wind.

"Keeping an aircraft airborne for several days using dynamic soaring would itself be a very big step, and a big achievement," he said.

Alteon's team of 20 in Bengaluru operates from a 10,000-square-foot facility, where they build four to five aircraft a week for testing. The startup has conducted over 200 test flights in the past 30 days, according to Sanghvi.

With Groom's backing and his own experience learning to build aircraft straight out of high school, Alteon is well-equipped to tackle the technical challenges ahead. As Groom acknowledged, "Ambitious problems are always going to come with risks." However, he believes in the Alteon team's ability to figure out these challenges, making him willing to take on this ambitious bet.

Alteon's success will not only be a testament to the innovative spirit of its founders but also have significant implications for various industries. As Sanghvi noted, "Once you build airplanes that can stay in the air for more than a year, there are millions of things you can do with them." With Alteon pushing the boundaries of conventional aircraft design, it will be exciting to see how this technology evolves and is applied in the future.

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As Alteon continues to work towards its ambitious goal, experts like Dr. Bousquet and Dr. Swaminathan are closely watching the startup's progress.

With their combined expertise and innovative approach, Alteon is poised to make a significant impact on the world of aviation and beyond.

Groom's investment in Alteon reflects his confidence in the startup's vision and its team's ability to execute. As he said, "For me, it came down to believing Samay and the Alteon team are the ones to figure them out." With this backing, Alteon is well-equipped to take on the technical challenges ahead and make a lasting impact on the world of aviation.

Alteon's success will not only be a testament to the innovative spirit of its founders but also have significant implications for various industries. As Sanghvi noted, "Once you build airplanes that can stay in the air for more than a year, there are millions of things you can do with them." With Alteon pushing the boundaries of conventional aircraft design, it will be exciting to see how this technology evolves and is applied in the future.