ILYUSHIN Il-112

TYPE: Twin-turboprop transport.

PROGRAMME: Initiated 1994, with possibility of Russian government funding as alternative to Ukranian Antonov An-38; design since enlarged and considerably refined; planned manufacture by KAPP at Kumertau and (Il-112V) VASO at Voronezh.
Revealed July 1999 that Il-112V selected by Russian defence ministry as potential replacement for Antonov An-24/26, Yak-40 and Let L410; significant performance improvements to be achieved by redesign begun in same month. Presidential approval granted April 2000. First flight originally due in 2002, but revised timetable called only for final decision in that year between Il-112 and competitors. In April 2003, Il-112VT confirmed by Russian Air Forces selection committe as competition winner, overcoming opposition from Sukhoi Su-80, MiG-110, Myasishchev M-60 and Tupolev Tu-136. Four-year development programme expected to be launched in mid-2003.

CURRENT VERSIONS: Il-112: Passenger transport, as described in detail.
Il-112 business transport: Basically as Il-112 airline version, but cabin divided into three sections, separated by curtains. Front cabin contains four pairs of facing seats, with tables between, and centre aisle, a wardrobe on the port side between the door and flight deck bulkhead, inward-opening door to flight deck, and large baggage compartment on starboard side with outside access.
Central compartment has four armchairs on port side, with tables between, three-seat sofa on starboard side to rear of cabinets; aisle width between armchairs and sofa 86 cm (34 in); wardrobe at rear on each side. Rear section contains main passenger door with airstairs on port side, two buffets, seat for attendant, and access to rear baggage compartment and lavatory.
Il-112T: Freighter with rear-loading ramp; lavatory and seat for loadmaster at front of unobstructed main hold; ramp forms rear wall of hold when stowed. Typical payloads include four IAK-1.5 (LD3) or five 3AK-1 containers or five PA-1.5 pallets. Airstair door at front of hold on port side; service door opposite; emergency exit on each side in centre of hold.
Il-112VT (voenny transportnny: military transport): Passenger/freighter for Russian armed forces. Rear ramp: provision for 35 passengers, or 18 stretchers or 34 paratroops. Patrol/surveillance version also to be produced. Detail design under way by early 2001; selected for production in April 2003.

CUSTOMERS: Requirement by Russian Air Forces could total 100 to 120; estimated potential for 120 civil sales.

DESIGN FEATURES: Based on Il-114 airframe. Conventional high-wing monoplane with T tail; constant-chord wing centre-section, tapered outer panels; sweptback fin and rudder; circular-section pressurised fuselage.

FLYING CONTROLS: Entire trailing-edge of each wing made up of horn-balanced aileron and two-section, area-increasing flaps; two-section spoilers forward of flap on each side of centre-section. Horn-balanced rudder and elevators; tab in rudder.

LANDING GEAR: Retractable tricycle type; twin-wheel nose unit; single wheel on each main unit, retracting into large fairing outside fuselage pressure cell.

POWER PLANT: Two 1,838 kW (2,466 shp) Klimov TV7-117SM turboprops in Il-112VT.

ACCOMMODATION: Flight crew of two; standard seating for 40 passengers, with 11 pairs of seats on port side and nine on starboard side of 45 cm (17.7 in) wide centre aisle. Maximum 60 in military version. Baggage/freight compartment with outside access on starboard side at front of cabin. Main airstair passenger door at rear of cabin on port side, with service door opposite; emergency exits at front of cabin on port side, in centre on starboard side. Access to rear baggage compartment and lavatory at rear of cabin; buffet and seat for attendant.

SYSTEMS: Aerosila TA-14 APU.

DIMENSIONS, EXTERNAL:  
Wing span: except Il-112V 22.55 m (73 ft 11¾ in)
  Il-112V 23.45 m (76 ft 11¼ in)
Length: except Il-112V: overall 21.78 m (71 ft 5½ in)
  fuselage 20.00 m (65 ft 7½ in)
 Il-112V 20.65 m (67 ft 9 in)
Height overall: except Il-112V 7.63 m (25 ft 0¼ in)
 Il-112V 7.90 m (25 ft 11 in)
Tailplane span 7.14 m (23 ft 5 in)
Wheel track 3.80 m (12 ft 5½ in)
Passenger door: Height 1.70 m (5 ft 7 in)
  Width 0.76 m (2 ft 6 in)
Service door: Height 1.38 m (4 ft 6¼ in)
  Width 0.72 m (2 ft 4¼ in)
Forward baggage door: Height 1.30 m (4 ft 3 in)
  Width 0.96 m (3 ft 1¾ in)
Emergency exits (each): Height 0.91 m (2 ft 11¾ in)
  Width 0.51 m (1 ft 8 in)
DIMENSIONS, INTERNAL:  
Hold: Max height 2.40 m (7 ft 10½ in)
  Max width 2.40 m (7 ft 10½ in)
WEIGHTS AND LOADINGS (A: passenger transport, B: business transport, C: Il-112V):  
Weight empty, equipped: A, B, C 9,100 kg (20,062 lb)
Max payload: A, B 4,000 kg (8,818 lb)
  C 6,000 kg (13,227 lb)
Max T-O weight: A 14,530 kg (32,033 lb)
  B 13,490 kg (29,740 lb)
  C 16,700 kg (36,817 lb)
Max power loading: A 3.95 kg/kW (6.49 lb/shp)
  B 4.67 kg/kW (6.03 lb/shp)
  C 4.54 kg/kW (7.46 lb/shp)
PERFORMANCE (estimated):  
Nominal cruising speed at 7,600 m (24,950 ft): A, B 297-324 kt (550-600 km/h; 342-373 mph)
  C 351 kt (650 km/h; 404 mph)
T-O run: A 520 m (1,710 ft)
  B 500 m (1,640 ft)
  C 650 m (2,135 ft)
T-O balanced field length: A 980 m (3,215 ft)
  B 940 m (3,085 ft)
  C 1,200 m (3,940 ft)
Landing balanced field length: A, B 1,000 m (3,280 lb)
Landing run: A, B 400 m (1,315 ft)
Range: A 809 n miles (1,500 km; 932 miles)
  B 1,943 n miles (3,600 km; 2,236 miles)
  C: with 6,000 kg (13,227 lb) payload 540 n miles (1,000 km; 621 miles)
       with 2,000 kg (4,409 lb) payload 3,239 n miles (6,000 km; 3,728 miles)

 

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