Harbin Y-12

1st Flight 1982

The Y-12 is a twin-engine turboprop STOL general-purpose aircraft.

The aircraft is a high-wing monoplane with a single tail and non-retractable, tricycle landing gear.

The Y-12 can perform cargo and passenger transport.

It can also be modified for parachute jumping, air dropping, maritime survey, aerial photography, geological survey, forestry seeding, air ambulance, sightseeing and etc.

It can take-off and land on unprepared airstrips, grass and sandstone runways.

Specifications

Crew: 2

Capacity: 17 pax / 1,700 kg (3,748 lb) max payload

Length: 14.86 m (48 ft 9 in)

Wingspan: 17.235 m (56 ft 7 in)

Height: 5.575 m (18 ft 3 in)

Wing area: 34.27 m2 (368.9 sq ft)

Airfoil: LS-0417

Empty weight: 2,840 kg (6,261 lb)

Max takeoff weight: 5,300 kg (11,684 lb)

Fuel capacity: 1,616 l (427 US gal; 355 imp gal) / 1,230 kg (2,712 lb) max usable fuel weight

Powerplant: 2 × Pratt & Whitney Canada PT6A-27 turboprop engines, 462 kW (620 hp) each

Propellers: 3-bladed Hartzell HC-B3TN-3B/T10173B-3, 2.49 m (8 ft 2 in) diameter constant-speed fully-feathering reversible-pitch propellers (4 and 5 bladed propellers used on some models)

Performance

Maximum speed: 328 km/h (204 mph, 177 kn) VMO (maximum operating speed) at 3,000 m (9,843 ft)

Cruise speed: 292 km/h (181 mph, 158 kn) (max) at 3,000 m (9,843 ft)

250 km/h (160 mph; 130 kn) (economical) at 3,000 m (9,843 ft)

Range: 1,340 km (830 mi, 720 nmi) at econ cruise, 45 min reserves at 3,000 m (9,843 ft)

Endurance: 5 hours 12 minutes at econ cruise

Service ceiling: 7,000 m (23,000 ft)

3,000 m (9,843 ft) on one engine

Rate of climb: 8.1 m/s (1,590 ft/min)

1.4 m/s (4.6 ft/s) on one engine

Wing loading: 145.9 kg/m2 (29.9 lb/sq ft)

Power/mass: 0.106 kW/kg (0.064 hp/lb)

Take-off run: 370 m (1,214 ft)

Take-off run to 15 m (49 ft): 490 m (1,608 ft)

Landing run: 340 m (1,115 ft)

Landing run from 15 m (49 ft): 630 m (2,067 ft).

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