 HOUSTON and BRISTOL, England, Sept. 21, 2021 PRNewswire -- Bristow Group Inc. NYSE: VTOL, the worlds leading global provider of vertical flight solutions to government and civil organizations, and Vertical Aerospace Group Ltd Vertical, a British engineering and aeronautical business pioneering zero-emissions aviation, today announced a Memorandum of Understanding MOU under which the two firms will cooperate on the certification, operational planning and potential purchase of up to 50 eVTOL aircraft. 