▁Works ▁and ▁was ▁subsequently ▁renamed ▁General ▁Director ate ▁of ▁State ▁Airlines . ▁Three ▁years ▁later , ▁in ▁ 1 9 3 8 , ▁it ▁became ▁part ▁of ▁the ▁Ministry ▁of ▁Transport ation . ▁ ▁Post war ▁period ▁ ▁Several ▁Douglas ▁DC - 3 s ▁and ▁Douglas ▁C - 4 7 s ▁were ▁ph ased ▁in ▁during ▁ 1 9 4 5 . ▁Being ▁initially ▁set ▁up ▁as ▁a ▁domestic ▁car rier , ▁the ▁air line ▁comm enced ▁international ▁services ▁with ▁the ▁inaug uration ▁of ▁An k ara – I stan bul – A th ens ▁fl ights ▁in ▁ 1 9 4 7 ; ▁with ▁the ▁DC - 3 s ▁and ▁C - 4 7 s ▁en abling ▁the ▁car rier ▁to ▁expand ▁its ▁network . ▁ ▁N icos ia , ▁Be ir ut ▁and ▁C airo ▁were ▁soon ▁added ▁to ▁the ▁air line ' s ▁international ▁flight ▁destin ations . ▁However , ▁domestic ▁services ▁remained ▁the ▁car rier ' s ▁primary ▁focus ▁until ▁the ▁early ▁ 1 9 6 0 s . ▁ ▁In ▁ 1 9 5 6 , ▁the ▁Turkish ▁government ▁re organ ized ▁the ▁air line ▁under ▁the ▁name ▁Tür k ▁H ava ▁Y ollar ı ▁A . O . ▁( o ften ▁abbre vi ated ▁as ▁TH Y ). ▁It ▁was ▁capital ized ▁at ▁ 6 0 ▁million ▁T L . ▁The ▁air line ▁joined ▁the ▁International ▁Air ▁Transport ▁Association ▁( I ATA ) ▁shortly ▁there after . ▁In ▁ 1 9 5 7 , ▁British ▁O verse