A military training unit was present at Gumrak as late as 1994, the 706 UAP (706th Aviation Training Regiment), using Aero L-39 aircraft.
Sebuah unit pelatihan militer hadir di Gumrak hingga akhir 1994, 706 UAP (706 Resimen Pelatihan Penerbangan), dengan menggunakan pesawat Aero L-39.