Built as an IL-18D in 1966, operated by GosNII GA Research Institute and converted for use as a weather research aircraft. By 1992 it had an A-723 SLA radar on the port side and other radio-electronic equipment for research of the earth's surface. Re-registered as RA-75598 in 1993. De-converted to a normal Il-18D and registered to IRS Aero in 1997 then to Aerocaribbean as CU-T1546 in 2004. Preserved for a while following withdrawal at Havana before being scrapped in 2012.

Operated by GosNII GA Research Institute. Has electronic equipment for research of the earth's surface including 723-SLA radar on port side. Reverted to a normal Il-18D circa 1995 and leased to IRS Aero in 1997, then to Aerocaribbean as CU-T1546 in 2004. Preserved for a couple of years after being withdrawn from service at Havana but scrapped there in 2012.

Preserved at the Airpark near Terminal 3.

Special Aeroflot charter to Amsterdam, with a sport team.

With an unusual modification on the rear fuselage.