Tailwind Airlines (TI, Istanbul Airport) has transitioned to a fleet composed entirely of B737-400s following the return of its only two B737-800s to their lessor AerCap Turkey's Airport Haber has reported.

ch-aviation analysis of Flightradar24 ADS-B data shows TC-TLH (msn 27984) and TC-TLG (msn 27983) have not operated any flights for the Turkish charter carrier since October 17.

Tailwind Airlines specializes in passenger charter flights between Turkey and Germany, Israel, and Switzerland. It outright owns its fleet of five B737-400s.