70 years of Bulgarian civil aviationABA Annual Meeting 2017ABA Annual Meeting 2016Aviation Professions DayPress conference and annual meeting of ABA 2015Press conference and annual meeting of ABA 2014ABA Pressconference and annual meeting in 201365 years of Bulgarian civil aviationAnnual meeting ABA 2012ABA press conference 27.03.2012ABA Annual Meeting in 2010ABA Annual Meeting in 2003