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2. Zhiharev VP, Zazerskij LK, Ershov GA, Krivoruchko YT. Problems of promising instrumental approach tools for aircraft development [In Russian]. Radiopromyshlennostj 2015; 4: 107-118.
3. Bartenev VA, Grechkoseev AK, Kozorez DA. Modern and perspective informational global navigation satellite technologies in high-precision navigation tasks. Moscow: «Fizmatlit» Publisher; 2014.
4. OPATS. The laser-based automatic landing systems for UAVS. Source: .
5. The Russian Federation has developed its own laser system for the automatic landing of UAVs LSOK. Source: .