Eskişehir Air Base (Turkish: Eskişehir Hava Üssü) (IATA: ESK, ICAO: LTBI) is a military airport in the city of Eskişehir, Turkey.

[2] Eskişehir Air Base is home to the 1st Air Wing (Ana Jet Üs or AJÜ) of the 1st Air Force Command (Hava Kuvvet Komutanlığı) of the Turkish Air Force (Türk Hava Kuvvetleri).

Other wings of this command are located in Konya (LTAN), Ankara Akıncı (LTAE), Bandırma (LTBG) and Balıkesir (LTBF).

[3] The 1st Air Wing operates two squadrons (filo) of F-4E Phantoms from this airbase.

113 Filo, operating RF-4Es, has been disbanded.