Photographer: Svatopluk Hrncirik. K25 slide scan. Built 1967 for GosNII GA. Converted with Toros side looking radar for operation by Polyarnaya Aviatsiya (Polar Aviation) as ice reconnaissance aircraft. Later reconverted and noted as standard An-24 Bykovo in 1994. Withdrawn in 1994 as life time expired and presumed scrapped. Bykovo airport closed down in 2010.

Built for Aeroflot as an AN-24LR ice-reconnaissance aircraft with a "Toros" (ice hummock) SLAR visible on the side and the wing, engines, APU and fuel system of an An-26 in 1970 and registered as CCCP-46395. Converted to an AN-24B experimental navaids aircraft and reregistered as RA-46395 in 1993. To Bykovo Avia in 1994, Spetsavia in 2002 and Lyotnyye proverki i sistemy by 2007.