KHRUNICHEV T-507 SKVORETS

English name: Starling

TYPE: Light utility turboprop.

PROGRAMME: Design started 1994 under designation T-417; 261 kW (350 hp) Teledyne Continental TSIO-550 flat-six piston engine; prototype under construction by 1996; project terminated and recast as T-507, with turboprop and tailwheel landing gear; prototype (RA-01507) displayed incomplete at MAKS 2001 at Moscow, employing Skvorets name previously assigned to T-407. First flight not reported by mid-2003.

DESIGN FEATURES: Conventional strut-braced high-wing monoplane, with STOL performance and non-retractable tricycle landing gear.

FLYING CONTROLS: Conventional and manual. Trim tab in rudder and each elevator; single-slotted ailerons and trailing-edge flaps.

STRUCTURE: All-metal. Conventional aluminium alloy wings and tail unit; VNS-2 steel fuselage truss structure, with aluminium alloy skin and fabric covering at rear. Composites engine cowling.

LANDING GEAR: Tailwheel type; fixed. Single wheel on each unit; mainwheel size 800x260, tailwheel size 470x210.

POWER PLANT: One 560 kW (751 shp) Walter M601E turboprop, driving a three-blade propeller; fuel tanks in wingroots, combined capacity 620 kg (1,367 lb).

ACCOMMODATION: Side-by-side seats for two persons on flight deck, with jettisonable forward-hinged door each side. Dual controls standard. Normally flown by pilot only as freighter, but provision for pilot and up to eight passengers. Large double freight door on port side of cabin, vertically split to open forward and rearward for unrestricted access. Steps beneath each door. Emergency exit on starboard side of cabin.

SYSTEMS: Interior heated and ventilated. Hydraulic system for flap actuation and wheel brakes. 27 V DC electrical system supplied by engine-driven generator and battery. Pneumatic de-icing system. Engine compartment fire warning and extinguishing system.

Following data are provisional

DIMENSIONS, EXTERNAL:

  • Wing span: 13.20 m (43 ft 3¾ in)
  • Length overall: 9.00 m (29 ft 6¼ in)

WEIGHTS AND LOADINGS:

  • Weight empty: 1,490 kg (3,285 lb)
  • Max fuel weight: 620 kg (1,367 lb)
  • Max T-O weight: 2,850 kg (6,283 lb)
  • Max power loading: 5.09 kg/kW (8.36 lb/shp)

PERFORMANCE (estimated):

  • Cruising speed: 178 kt (330 km/h; 205 mph)
  • T-O run: 110 m (361 ft)
  • T-O to 15 m (50 ft): 320 m (1,050 ft)
  • Landing from 15 m (50 ft): 350 m (1,148 ft)
  • Landing run: 160 m (525 ft)
  • Range: 777 n miles (1,440 km; 851 miles)

The article appears in the following publication:
Jane's All the World's Aircraft 2004-2005. Jane's Information Group Ltd. 2004. ISBN: 0-7106-2614-2

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