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At a glance
Measured figures
Do 28D-2 Skyservant · Length
Single source11.41 m (37 ft 5 in)[source]
C-47B-DK · Length
Configuration
| Specification | Dornier Do 28 | Douglas C-47 Skytrain |
|---|---|---|
| Type | STOL light utility aircraft[source] | Military transport aircraft[source] |
| Manufacturer | Dornier Flugzeugbau GmbH[source] | Douglas Aircraft Company[source] |
| Status | In civilian and military use[source] | In service[source] |
| Primary user | German Air Force[source] | — |
63 ft 9 in (19.43 m)[source]
Cruise; Do 28D-2 Skyservant · at 10,000 ft (3,000 m) (econ cruise, 50% power)
Single sourceMaximum; Do 28D-2 Skyservant · at 3,000 m (10,000 ft)
Single source325 km/h (202 mph, 175 kn) at 3,000 m (10,000 ft)[source]
241 km/h (150 mph, 130 kn) at 10,000 ft (3,000 m) (econ cruise, 50% power)[source]
Cruise; C-47B-DK · Cruise speed
Single sourceMaximum; C-47B-DK · at 10,000 ft (3,000 m)
Single sourceDo 28D-2 Skyservant · 2 × Lycoming IGSO-540-A1E air-cooled flat-six engines each
Single source2 × Lycoming IGSO-540-A1E air-cooled flat-six engines, 280 kW (380 hp) each[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]
Do 28D-2 Skyservant · 1,050 ft/min
Single source5.3 m/s (1,050 ft/min)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Number built | Do 28 - 1 Do 28A-1 - 60 Do 28B-1 - 60 Do 28D-1 - 54 Do 28D-2 - 172 Dornier 128-6 - 6[source] | 10,174[source] |
|---|
| First flight | 29 April 1959 (Do 28 A/B) 23 February 1966 (Do 28D)[source] | 23 December 1941 ( 1941-12-23 )[source] |
|---|
| Developed from | Dornier Do 27[source] | Douglas DC-3[source] |
|---|
| Developed into | Dornier 228[source] | — |
|---|
| Capacity | 12 or 13 passengers[source] | 28 troops or 6,000 lb (2,700 kg) of cargo[source] |
|---|
| Aspect ratio | 8.3:1[source] | — |
|---|
| Airfoil | NACA 23018 (modified)[source] | root: NACA 2215 ; tip: NACA 2206[source] |
|---|
| Fuel capacity | 893 L (236 US gal; 196 imp gal)[source] | — |
|---|
| Propellers | 3-bladed Hartzell constant-speed propellers[source] | 3-bladed constant-speed propellers[source] |
|---|
| Stall speed | 104 km/h (65 mph, 56 kn) (power off, flaps down)[source] | — |
|---|
| Minimum control speed | 65 km/h (40 mph, 35 kn) (power on, flaps down)[source] | — |
|---|
| National origin | — | United States[source] |
|---|
| Primary users | — | United States Army Air Forces Royal Air Force United States Navy Royal Canadian Air Force See operators[source] |
|---|
| Variants | — | Douglas XCG-17 Douglas AC-47 Spooky Douglas R4D-8[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] |
|---|
| Reported operators | — |
|
|---|
Maximum take-off; C-47B-DK · Max takeoff weight
Single source