There's also a height limit of 5000 m: operational altitude of a Bayraktar TB2 (which probably assumes standard payload) is just 500 m higher, which is kinda marginal. However, service ceiling (which may allow recon & fire adjustment w/o weapons, although I'm not sure) is 8200 m

— Ilya.A—Petya.A's bro (@ain92ru) October 21, 2020