[4] The development, testing and operation takes place in collaboration with the New Zealand subsidiary Zephyr Airworks, founded by Kitty Hawk in December 2016.

[5] In June 2019 the Kitty Hawk Corporation and Boeing agreed to collaborate in the field of urban air mobility.

[6] For this purpose, a company called Wisk Aero LLC was founded on December 2, 2019.

[8] With the termination of BoeingNeXT operations in mid-2020, some doubt existed on the continued relationship between Wisk and Boeing.

[11] The Cora made its first public flight demonstration at the EAA AirVenture Oshkosh on July 25, 2023.