Ivan Chvojka worked in 1979-2003 as a military pilot and instructor on L-29 and L-39 aircraft. He was also the commander of the famous acrobatic group White Albatrosses. Since 2003 he has been working as a pilot, instructor and examiner with qualifications for various types of propeller aircraft such as C-152, C-172, Z-226, Z-142, Z-242, P-2006, L-200, DA-20, ECHO and SD-4.