▁for ▁ 2 0 1 6 . ▁The ▁air line ▁already ▁announced ▁significant ▁redu ctions ▁in ▁operations ▁for ▁the ▁up coming ▁ 2 0 1 6 / 2 0 1 7 ▁schedule ▁period ▁with ▁frequency ▁cut s ▁to ▁ 4 5 ▁European ▁and ▁ 1 3 ▁inter cont inental ▁routes . ▁Turkish ▁Airlines ▁also ▁announced ▁an ▁overall ▁record ▁loss ▁of ▁ 1 . 9   b ill ion ▁Turkish ▁Li ra ▁($ 6 4 4 . 4   mill ion ) ▁for ▁the ▁first ▁half ▁of ▁ 2 0 1 6 . ▁ ▁The ▁following ▁year ▁saw ▁the ▁air line ▁recover , ▁with ▁financial ▁results ▁for ▁ 2 0 1 7 ▁showing ▁an ▁almost ▁ 3 5 % ▁increase ▁in ▁turn over , ▁and ▁a ▁return ▁to ▁profit ability . ▁ ▁Corpor ate ▁affairs ▁ ▁The ▁air line ▁head ▁office ▁is ▁in ▁the ▁Turkish ▁Airlines ▁General ▁Management ▁Building ▁at ▁Ist an bul ▁At atur k ▁Airport ▁in ▁Ye ş il kö y , ▁Bak ı r kö y . ▁ ▁Key ▁people ▁, ▁chair mans hip ▁was ▁held ▁by ▁ İ l ker ▁A yc ı . ▁Bil al ▁Ek ş i ▁holds ▁the ▁deput y ▁chairman ▁and ▁CE O ▁positions . ▁ ▁Business ▁tr ends ▁The ▁key ▁tr ends ▁for ▁Turkish ▁Airlines ▁for ▁the ▁past ▁ 1 5 ▁years ▁are ▁shown ▁below ▁( as ▁on ▁December ▁ 2 0 1 8 ): ▁ ▁Fre quent - fly er ▁programme ▁Mil es & Sm iles ▁is ▁the ▁frequent - fly er ▁programme ▁of