EHang today announced a strategic cooperation framework agreement of intent with China Construction Sixth Engineering Bureau to develop the Cross-Sea Low-Altitude Corridor Project in Lingao, Hainan to establish a closed‑loop low altitude economy ecosystem that integrates infrastructure and commercial operations.
Under the framework agreement, China Construction Sixth Engineering Bureau will jointly develop low‑altitude infrastructure such as general aviation airports, eVTOL vertiports and hangars tailored for low‑altitude flight operations and project planning and implementation. EHang, in turn, will deploy its core expertise in R&D, airworthiness certification and operations of pilotless passenger‑grade eVTOLs, providing aircraft alongside supporting operational and technical solutions.
Work has started on the project with Hainan Fuma General Aviation, a client and partner of EHang, as the project owner, CSCEC Sixth Engineering Bureau as the main constructor and EHang providing joint planning of infrastructure and operational sites, aircraft, operational services and technical support.
“Centered around the Maniao General Aviation Airport, the Project will develop multiple eVTOL operational sites and vertiports along Lingao’s coastline, with plans to implement point-to-point passenger eVTOL routes and cross-sea shuttle services,” said EHang in a press release. “The first key flight station, the WingHub South Sea, is taking shape and will include an operations and exhibition center, vertiports compatible with EHang’s pilotless eVTOL aircraft, and testing zones. The center’s application rollout will be implemented in phases: starting from offering aerial sightseeing, low‑altitude logistics, training, and testing, followed by expansion to cross‑sea passenger transport.
“In December 2025, EH216-S completed a 22-kilometer cross-sea flight across the Qiongzhou Strait in 18 minutes, from Haikou in Hainan to Xuwen Port in Guangdong, validating the technical capabilities and efficiency of pilotless eVTOLs in cross-sea applications.”
Hainan’s 15th Five-Year Comprehensive Transportation Plan calls for the development of island-wide and cross-sea low-altitude route networks, as well as upgrades of general aviation airports and construction of low-altitude vertical takeoff and landing infrastructure. The Maniao General Aviation Airport in Lingao has been included among 36 major low-altitude infrastructure projects of Hainan’s 15th Five-Year plan. Upon completion, the airport is expected to support point-to-point eVTOL flights between Lingao in Hainan and Xuwen in Guangdong, serving as the key base of an “aerial express corridor” across the inter-provincial Qiongzhou Strait.
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