The story
Air Transport Services Group, Inc. announced on 9 December 2013 an agreement to acquire a 25 percent equity interest in West Atlantic. This investment meant the Boeing 767-200 being added into West Atlantic's fleet.
The 767-200 with registration SE-RLA made its first flight on 26 March 2015, and its first commercial flight on the night between 6 and 7 April, with two further 767-200s joining the fleet later in 2015.
On 20 June 2017, West Atlantic announced it will take delivery of four leased Boeing 737-800(BCF) from GE Capital Aviation Services, with the aircraft being delivered between 2017 and 2019.
On 10 April 2019, LUSAT Air S.L. signed an agreement with West Atlantic to become the new majority shareholder in return for a €20 million cash injection.
From Wikipedia’s article on West Atlantic, shared under CC BY-SA 4.0.5