Credit
Airwolfhound · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
FORCETALLY
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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; Learjet 31 · Empty weight
Single sourceGross; Learjet 31 · Gross weight
Single sourceC-47B-DK · normal range
Single sourceFerry; C-47B-DK · Ferry range
Single source1,600 mi (2,600 km, 1,400 nmi) normal range[source]
3,600 mi (5,800 km, 3,100 nmi)[source]
Learjet 31 · Standard fuel, four passengers
Single source1,877 mi (3,021 km, 1,631 nmi) (Standard fuel, four passengers,)[source]
C-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]
Learjet 31 · 2 × Garrett TFE731 -2 turbofan thrust each
Single source2 × Garrett TFE731 -2 turbofan , 3,500 lbf (15.6 kN) thrust each[source]
Learjet 31 · 5,480 ft/min (
Single source5,480 ft/min (27.8 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 | Learjet 31 |
|---|---|---|
| Type | Military transport aircraft[source] | Business jet[source] |
| National origin | United States[source] | United States[source] |
| Manufacturer | Douglas Aircraft Company[source] | Learjet[source] |
| Status | In service[source] | Active[source] |
| Primary users | United States Army Air Forces Royal Air Force United States Navy Royal Canadian Air Force See operators[source] | Private NASA[source] |
| Number built | 10,174[source] | 246[source] |
| First flight | 23 December 1941 ( 1941-12-23 )[source] | May 11, 1987[source] |
| Developed from | Douglas DC-3[source] | Learjet 29[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] | 8 passengers[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] | — |
| Power/mass | 0.0926 hp/lb (0.1522 kW/kg)[source] | — |
| Manufactured | — | 1987-2003[source] |
| Introduction date | — | October 1990[source] |
| Stall speed | — | 97 mph (156 km/h, 84 kn)[source] |
| Reported operators |
| — |