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Aeroprints.com · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · Modified
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At a glance
Measured figures
Falcon 20F · Length
Single source17.15 m (56 ft 3 in)[source]
U-2S · Length
Single sourceConfiguration
| Specification | Dassault Falcon 20 | Lockheed U-2 |
|---|---|---|
| Type | Business jet[source] | High-altitude reconnaissance aircraft[source] |
| Manufacturer | Dassault Aviation[source] | Lockheed Skunk Works[source] |
| Status | Out of production, in active service[source] | In service[source] |
| Primary users | Federal Express (formerly) French Navy United States Coast Guard[source] | United States Air Force Central Intelligence Agency (historical) NASA Republic of China Air Force (historical) |
63 ft 0 in (19.20 m)[source]
Cruise; Falcon 20F · at 12,200 m (40,000 ft) (econ. cruise)
Single sourceMaximum; Falcon 20F · at 7,620 m (25,000 ft) (max cruise)
Single source862 km/h (536 mph, 465 kn) at 7,620 m (25,000 ft) (max cruise)[source]
750 km/h (470 mph, 400 kn) at 12,200 m (40,000 ft) (econ. cruise)[source]
Cruise; U-2S · ) at 72,000 ft (22,000 m
Single sourceCruise; U-2S · Cruise speed
Single sourceFalcon 20F · 2 × General Electric CF700 -2D-2 turbofans thrust each
Single source2 × General Electric CF700 -2D-2 turbofans , 20 kN (4,500 lbf) thrust each[source]
U-2S · 1 × General Electric F118-101 turbofan engine thrust
Single source1 × General Electric F118-101 turbofan engine, 17,000 lbf (76 kN) thrust[source]
U-2S · Endurance
Single source12 hours[source]
U-2S · 9,000 ft/min (
Single source9,000 ft/min (46 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Number built | 512[source] | 104[source] |
|---|
| Manufactured | 1965–1991[source] | 1955–1989[source] |
|---|
| Introduction date | 3 June 1965[source] | 1956[source] |
|---|
| First flight | 4 May 1963[source] | 1 August 1955 ( 1955-08-01 )[source] |
|---|
| Developed into | Dassault Falcon 10 Dassault Falcon 50[source] | — |
|---|
| Capacity | 8–14 passengers[source] | 5,000 lb (2,300 kg) payload[source] |
|---|
| Fuel capacity | 5,200 L (1,100 imp gal; 1,400 US gal)[source] | 2,950 US gal (2,460 imp gal; 11,200 L)[source] |
|---|
| Aspect ratio | 6.4:1[source] | — |
|---|
| Stall speed | 152 km/h (94 mph, 82 kn)[source] | 65 kn (75 mph, 120 km/h)[source] |
|---|
| National origin | France[source] | United States[source] |
|---|
| Designer | — | Clarence "Kelly" Johnson[source] |
|---|
| Airfoil | — | root: NACA 63A409 ; tip: NACA 63A406[source] |
|---|
| Time to altitude | — | 60,000 ft (18,000 m) in 12 minutes 30 seconds[source] |
|---|
| Lift-to-drag | — | 25.6[source] |
|---|
| Wing loading | — | 40 lb/sq ft (200 kg/m 2 )[source] |
|---|
| Thrust/weight | — | 0.425[source] |
|---|
| Fuel consumption | — | 910 lb/h (410 kg/h) in cruise[source] |
|---|
Cruise; U-2S · Mach 0.715 (
Single sourceMach 0.715 (412 kn; 470 mph; 760 km/h) at 72,000 ft (22,000 m)[source]