Variants
Data from:OKB Ilyushin
- Il-18
- Designation of the sole prototype of the Il-18 family.
- Il-18A
- The original production model, equivalent to pre-production, powered by either Kuznetsov NK-4 or Ivchenko AI-20 turboprop engines. Circa 20 built.
- Il-18B
- First major production model, a medium-haul airliner that could seat 84 passengers.
- Il-18 Combi
- Il-18 aircraft modified to mixed passenger / cargo configuration
- Il-18D
- Silmilar to Il-18I, but equipped with an extra centre section fuel tank for increased range. The Il-18D is fitted with four 3,169 ekW (4,250 hp) Ivchenko AI-20M turboprop engines.
- Il-18D communications relay
- Three aircraft modified to provide communications relay between VIP aircraft and Government bodies.
- Il-18D Pomor
- A single Il-18D converted to a fisheries reconnaissance aircraft, (Pomor - person who lives by the sea)
- Il-18D Salon
- VIP version of the Il-18D
- IL-18DORR
- Two IL-18Ds modified as fishery reconnaissance aircraft for the Polar Institute of Oceanic Fishery and Oceanography, the modification mainly involved the fitment of specialised mission equipment. First flown in 1985 they were later modified back as standard Il-18Ds.
- Il-18E
- Similar to the Il-18I, but without the increased fuel capacity.
- Il-18E Salon
- VIP transport version of the Il-18E.
- Il-18Gr
- Aircraft converted to cargo configuration, (Gr - Groozovoy - cargo).
- Il-18GrM
- Several Il-18 aircraft modified to Gr standard with te addition of a pressurised side cargo door.
- Il-18I
- Equipped with more powerful Ivchenko AI-20M turboprop engines, producing 3,170 kW (4,250 shp). Seating increased to 122 passengers in an enlarged cabin gained by moving the aft pressure bulkhead rearwards by 1.64 m (5 ft).
- Il-18LL
- (Letayuschchaya Laboratoriya - flying laboratory), one aircraft modified to be an anti-icing test-bed and an Il-18V used by the Czechoslovak flight test centre as an engine testbed.
- IL-18RT
- Two IL-18Vs were modified as Telemetry Relay Aircraft to rocket and unmanned air vehicle trials.
- Il-18S
- VIP variant of Il-18B
- Il-18T
- This designation was given to civil and military cargo transport aircraft converted from Il-18A/B/V aircraft.
- Il-18AT: Military transport/casevac version based on the Il-18A
- Il-18BT: Military transport/casevac version based on the Il-18B
- Il-18VT: Military transport/casevac version based on the Il-18V
- IL-18TD
- One IL-18T was modified as a military transport variant to take either 69 stretcher cases or 118 paratroopers. Not wanted by the military it was converted to IL-18D standard.
- IL-18USh
- One IL-18V was modified as a navigator trainer including two dorsal astro-sextant windows. Although it was tested and found acceptable the Soviet Air Force used a variant of the twin-jet Tupolev Tu-124 instead.
- Il-18V
- Standard Aeroflot version, which entered service in 1961. The Il-18V was powered by four Ivchenko AI-20K turboprop engines, seating 90-100 passengers.
- Il-18V Salon
- VIP version of the Il-18V
- Il-18V/polar
- a single Il-18V modified for Polyarnaya Aviahtsiya - Polar Aviation use.
- Il-18V-26A
- a single Il-18V modified for Polyarnaya Aviahtsiya - Polar Aviation use with an auxiliary fuel tank in the cabin, revised window layout and enlarged oil tanks on the engines, covered by protruding fairings on the engine nacelles (sometimes referred to as the Il-18D, before the real D model emerged).
- Il-18V calibrator
- a single Il-18V operated by Interflug for navaid calibration.
- Il-20M Coot-A
- ELINT electronic, radar reconnaissance version. Also known as the Il-18D-36 Bizon.
- Il-20RT
- Four Telemetry and Communications Relay aircraft used to support the Soviet space activities, later replaced by a variant of the IL-76.
- Il-22 Coot-B
- Airborne command post version.
- Il-22M
- Same as the Il-22 but had new mission equipment.
- Il-24N
- Two Il-18Ds modified for ice reconnaissance similar to the IL-20M but with civilian reconnaissance equipment, both later modified back to standard configuration and sold.
- Il-38
- Maritime reconnaissance, anti-submarine warfare version.
- SL-18
- Designation of a number of different test and research aircraft, normally had a letter suffix like SL-18D for avionics trials.
- Il-118
- A proposed upgrade powered by two Lotarev D-236-T propfan engines.
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