Probably operating a flight for CSA Czechoslovak Airlines. Photo taken from the Queens building viewing area. Delivered to the Czechoslovak Government as OK-BYS on 07 Mar 1972. WFU 26 Sep 1983 and transferred to Balkan Bulgarian Airlines as LZ-TUZ. WFU SOF in Jan 1998. Used as ground trainer for anti terrorist forces and last noted on 20 Jul 2020.

Operating a CSA flight. Delivered to the Czechoslovak Government as OK-BYS in 1972. To Balkan as LZ-TUZ in 1983. Withdrawn from use at Sofia by 1998 and used for anti-terrorist training. Still there in 2022.

K25 slide scan. Delivered 1972 as OK-BYS to Czech Government Flying Service. Balkan LZ-TUZ 1983, withdrawn Sofia 1998 and used for anti terrorist traing, still extistent 2020.

This 134 wa originally delivered to the Czechoslovak Govt. as OK-BYS in March 1972 but also operated flights for CSA. It was sold to Balkan in September 1983 and is pictured here taxying in after arriving from Sofia (SOF). The plane was withdrawn from use in January 1998 and used at SOF for anti-terrorist training, where it is still extant but derelict.

line no. 15-03 | Originally delivered to Czechoslovakian Government as OK-BYS in March 1972. Taken over by Balkan Bulgarian Airlines in September 1983.

line no. 15-03 | still present at Sofia 42°41'55"N 23°25'06"E

Delivered new 7th March 1973 and operated from time to time on CSA schedules services like the day I took this picture. Sold as LZ-TUZ 26th Sep 1983

Chartered flight arriving from Varna (Bulgaria).

Acquired from the Czech government in 1983, this 134 was one of the last active with Balkan and was derelict at Sofia from 1998, but now used for anti-terrorist training