Photo Gallery General Manager of TAI-Turkish Aerospace Industries Inc. Temel Kotil Prima News - May 22, 2018 0 General Manager of TAI-Turkish Aerospace Industries Inc. Temel Kotil makes a speech during a signing ceremony between Boeing and Turkish Aerospace Industries Inc. (TUSAS/TAI) for 737 MAX aircraft altitude elevator production in Ankara, Turkey on May 22, 2018. General Manager of Boeing International Marc Allen makes a speech during a signing ceremony between Boeing and Turkish Aerospace Industries Inc. (TUSAS/TAI) for 737 MAX aircraft altitude elevator production in Ankara, Turkey on May 22, 2018. General Manager of Boeing International Marc Allen makes a speech during a signing ceremony between Boeing and Turkish Aerospace Industries Inc. (TUSAS/TAI) for 737 MAX aircraft altitude elevator production in Ankara, Turkey on May 22, 2018.