Austrian Airlines Technik Bratislava (ATB) is a daughter company of Austrian Airlines. Being specialised on regional aircraft, ATB holds an EASA Part 145 approval for Airbus 220, Embraer 170/190, Bombardier Q400 and Fokker 70/100 as well as a CASA Part 145 approval for Embraer 170/190,  Q400 and F70/100. With 149 engineers, five bays, and 110 spaces for aircraft storage ATB is able to provide the needed flexibility. ATB is presently focusing on A220 maintenance, successfully trying to reduce the ground-time for the challenging IV-C02 check.