For the first time, a Turkish Gökbey chopper from TAI (Turkish Aerospace Industries) equipped with 2 home TEI (Tusaş Engine Industries) engines of the TS1400 kind took to the air. “This is an crucial milestone for the Turkish defence industry. Our first home chopper engine, in a test flight on our first homegrown Gökbey helicopter. Congratulations to our engineers,” İsmail Demir, head of the Presidium of the defence manufacture of Tucia, wrote on social media.