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At a glance
Measured figures
Empty; C-47B-DK · Empty weight
Single sourceGross; C-47B-DK · Gross weight
Single sourceMaximum take-off; C-47B-DK · Max takeoff weight
Single source18,135 lb (8,226 kg)[source]
26,000 lb (11,793 kg)[source]
31,000 lb (14,061 kg)[source]
Empty; Challenger II · Empty weight
Single sourceMaximum take-off; Challenger II · Max takeoff weight
Single sourceCruise; C-47B-DK · Cruise speed
Single sourceMaximum; C-47B-DK · at 10,000 ft (3,000 m)
Single source224 mph (360 km/h, 195 kn) at 10,000 ft (3,000 m)[source]
160 mph (260 km/h, 140 kn)[source]
Cruise; Challenger II · Cruise speed
Single sourceMaximum; Challenger II · Maximum speed
Single sourceC-47B-DK · 2 × Pratt & Whitney R-1830-90C Twin Wasp 14-cylinder air-cooled radial piston engines takeoff rating
Single sourceC-47B-DK · normal rating at 14,500 ft (4,400 m)
Single source2 × Pratt & Whitney R-1830-90C Twin Wasp 14-cylinder air-cooled radial piston engines 1,200 hp (890 kW) takeoff rating 1,000 hp (750 kW) normal rating at 14,500 ft (4,400 m)[source]
Challenger II · 1 × Rotax 503 twin cylinder, inline, two stroke , piston aircraft engine
Single source1 × Rotax 503 twin cylinder, inline, two stroke , piston aircraft engine , 50 hp (37 kW)[source]
C-47B-DK · Service ceiling
Single source26,400 ft (8,000 m)[source]
Challenger II · 750 ft/min (
Single source750 ft/min (3.8 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Douglas C-47 Skytrain | Quad City Challenger |
|---|---|---|
| Type | Military transport aircraft[source] | Ultralight aircraft[source] |
| National origin | United States[source] | — |
| Manufacturer | Douglas Aircraft Company[source] | Quad City Aircraft Corporation[source] |
| Status | In service[source] | In production (2018)[source] |
| Primary users | United States Army Air Forces Royal Air Force United States Navy Royal Canadian Air Force See operators[source] | — |
| Number built | 10,174[source] | 3,571 (2011)[source] |
| First flight | 23 December 1941 ( 1941-12-23 )[source] | 1983[source] |
| Developed from | Douglas DC-3[source] | — |
| Variants | Douglas XCG-17 Douglas AC-47 Spooky Douglas R4D-8[source] | — |
| Capacity | 28 troops or 6,000 lb (2,700 kg) of cargo[source] | one passenger and 500 lb (227 kg) useful load[source] |
| Airfoil | root: NACA 2215 ; tip: NACA 2206[source] | — |
| Propellers | 3-bladed constant-speed propellers[source] | — |
| Time to altitude | 10,000 ft (3,000 m) in 9 minutes 30 seconds[source] | — |
| Wing loading | 26.3 lb/sq ft (128 kg/m 2 )[source] | 5.42 lb/sq ft (26.5 kg/m 2 )[source] |
| Power/mass | 0.0926 hp/lb (0.1522 kW/kg)[source] | 19.2 lb/hp (0.087 kW/kg)[source] |
| Manufactured | — | 1983-present[source] |
| Variant | — | Excalibur Aircraft Excalibur[source] |
| Stall speed | — | 28 mph (45 km/h, 24 kn)[source] |
| Never exceed speed | — | 100 mph (160 km/h, 87 kn)[source] |
| Reported operators |
| — |