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Hyundai's Supernal Grounded: Leadership Exodus Halts Ambitious eVTOL Development

  • Nishadil
  • September 08, 2025
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  • 2 minutes read
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Hyundai's Supernal Grounded: Leadership Exodus Halts Ambitious eVTOL Development

A seismic shift has rocked the nascent urban air mobility (UAM) sector, as Supernal, Hyundai's highly-touted electric vertical takeoff and landing (eVTOL) startup, has abruptly paused all development work. The shocking halt comes on the heels of the rapid departures of two pivotal figures: CEO Jaiwon Shin and CTO Ben Diachun.

This leadership void has cast a long shadow over Supernal's ambitious plans to launch flying taxis by 2028, raising significant questions about the future of Hyundai's foray into airborne transportation.

Dr. Jaiwon Shin, a former associate administrator for the Aeronautics Research Mission Directorate at NASA, had been the visionary at Supernal's helm since its inception, guiding its strategic direction and technological roadmap.

Ben Diachun, a seasoned aerospace engineer with a background at Northrop Grumman and Archer Aviation, was instrumental in overseeing the technical development of their eVTOL aircraft. Their simultaneous exits leave a gaping void in experience and leadership, undoubtedly contributing to the decision to put development on hold.

Supernal, initially known as Hyundai Urban Air Mobility, was established with the bold goal of developing a safe, efficient, and accessible urban air mobility solution.

Hyundai Motor Group had invested heavily in the venture, seeing it as a crucial component of future mobility and a diversification strategy beyond traditional automotive manufacturing. The company had showcased futuristic concepts and made significant strides in design and engineering, positioning itself as a frontrunner in a highly competitive and capital-intensive industry.

The pause in development signals a major reassessment within the company, and potentially across Hyundai's broader UAM strategy.

While the exact duration or specific implications for Supernal's workforce remain unclear, such a drastic measure typically involves a complete re-evaluation of project timelines, financial allocations, and even fundamental operational strategies. It reflects the immense challenges inherent in bringing a revolutionary technology like eVTOLs to commercial readiness, from complex regulatory hurdles and certification processes to the sheer cost of R&D and manufacturing at scale.

This setback for Supernal underscores the volatile nature of the eVTOL market, where numerous startups are vying for market share with innovative designs and varying levels of financial backing.

Companies like Joby Aviation, Archer Aviation, and Lilium have also faced their share of technical and financial obstacles, highlighting that the path to widespread urban air mobility is far from smooth. The industry demands not only groundbreaking technology but also robust leadership, immense capital, and an unwavering commitment to navigating an incredibly complex regulatory landscape.

Hyundai has not yet released a detailed statement regarding the long-term implications for Supernal, but the abruptness of the situation suggests immediate and pressing concerns.

The future of Supernal, and indeed, a significant part of Hyundai's advanced mobility vision, now hangs in the balance. As the eVTOL sector continues its challenging ascent, all eyes will be on how Supernal and its parent company navigate this critical juncture, and whether they can regain momentum to once again reach for the skies.

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