Air Taxi start-up Kittyhawk to shut down operations

California-based air taxi start-up Kittyhawk announced on Twitter that it plans to shut down its operations. Kittyhawk was launched by Google co-founder Larry Page and senior Google executive Sebastian Thrun.  Their Twitter handle read – “We have made the decision to wind down Kittyhawk. We’re still working on the details of what’s next.” Since 2010, Kittyhawk was working on various different electric and autonomous aircraft models. Their latest project was Heaviside autonomous eVTOL vehicle that last year received military airworthiness approval from the US Air Force. Kittyhawk’s decision to cease operations wouldn’t affect its commitment to Wisk Aero, a joint