| Basic | 17,630 lbs. |
| Maximum Takeoff | 28,500 lbs. |
| Maximum Landing | 28,500 lbs. |
| Maximum Zero Fuel | 27,000 lbs. |
| Wing Loading | 31.2 lb/sq ft. |
| Power Loading | 9.83 lb/bhp |
| Maximum Cruise Speed at 6,500 ft. | 147 knots |
| Maximum Permissible Dive Speed (V ne) | 211 knots |
| Rate of climb at sea level - 2 Engines | 1,355 ft/min |
| Rate of climb at sea level - 1 Engines | 235 ft/min |
| Service Ceiling - 2 Engines | 24,800 ft. |
| Service Ceiling - 1 Engine | 8,800 ft. |
| Takeoff Run (STOL) | 725 ft. |
| Takeoff Distance to 50 ft. (STOL) | 1,185 ft. |
| Landing Run (STOL) | 670 ft. |
| Landing Distance from 50 ft. (STOL) | 1,235 ft. |
| Stalling Speed EAS (flaps landing) | 59 knots |
| Payload/Range, Normal Tanks, 45 Min. Reserve 200 mi. | 8,600 lbs. |
| Payload/Range, Normal Tanks, 45 Min. Reserve 600 mi. | 7,200 lbs. |
| Payload/Range, Normal Tanks, 45 Min. Reserve 1,100 mi. | 5,417 lbs. |
| Engines | 2 x Pratt &Whitney R-2000 7M2 (Reciprocating) |
| Brake Horsepower | 1450 |
| Propellers | Hamilton standard 3-Bladed, Full-feathering, Reversible |
| Fuel | 690 Imp. Gal. | 829 U.S. Gal | 3,137 Liters |
| Oil (2) | 24.8 Imp. Gal | 29.7 U.S. Gal | 112.5 Liters |
| Hydraulic | 1.5 Imp. Gal | 1.8 U.S. gal | 6.8 Lters |
| De-icing (Props) | 14 Imp. Gal | 16.8 U.S. Gal | 63.6 Liters |
| 10 cells in each wing | Fuel MIL-G-5572 | 100/130 octane rating |
| 1 oil tank per engine | Oil MIL-L-6082 | Grade 11 |
| Wing Span | 95 ft. 7.5 in. |
| Length | 72 ft. 7.0 in. |
| Height | 31 ft. 9.0 in. |
| Tailplane Span | 36 ft. 0 in. |
| Wheel Track | 23 ft. 1.5 in. |
| Wheel Base | 25 ft. 8.0 in. |
| Wing Area | 912 sq. ft. |
| Aileron Area | 91 sq. ft. |
| Flap Area | 285 sq. ft. |
| Fin Area | 127 sq. ft. |
| Rudder Area (inc. tab) | 84 sq. ft. |
| Tailplane Area | 144 sq. ft. |
| Elevator Area (inc. tab) | 86 sq. ft. |
| Cabin Length | 28 ft. 9.0 in. |
| Maximum Width | 7 ft. 3.0 in. |
| Maximum | 6 ft. 3.0 in. |
| Floor Area | 176 sq. ft. |
| Volume | 1,150 cu. ft. |
| Cabin Doors (L & R) | 30.0 x 55.0 in. |
| (Rear) | 73.5 x 75.0 in. |