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At a glance
Measured figures
Defender 4000 · Length
Single source12.20 m (40 ft 0 in)[source]
Falcon 900B · Length
Configuration
| Specification | Britten-Norman Defender | Dassault Falcon 900 |
|---|---|---|
| Type | Transport, patrol, reconnaissance[source] | Business jet[source] |
| National origin | United Kingdom[source] | France[source] |
| Manufacturer | Britten-Norman[source] | Dassault Aviation[source] |
| Status | In service[source] | Active service, in production |
20.21 m (66 ft 4 in)[source]
Defender 4000 · Height
Single source4.4 m (14 ft 5 in)[source]
Empty; Defender 4000 · empty equipped
Single sourceMaximum take-off; Defender 4000 · Max takeoff weight
Single source2,223 kg (4,900 lb) (empty equipped)[source]
3,856 kg (8,500 lb)[source]
Empty; Falcon 900B · Empty weight
Single sourceMaximum take-off; Falcon 900B · Max takeoff weight
Single sourceDefender 4000 · 2 × Rolls-Royce 250 B17F turboprops (400 shp) each
Single source2 × Rolls-Royce 250 B17F turboprops , 300 kW (400 shp) each[source]
Falcon 900B · 3 × Honeywell TFE731 -5BR-1C turbofans thrust each
Single source3 × Honeywell TFE731 -5BR-1C turbofans , 21.13 kN (4,750 lbf) thrust each[source]
Defender 4000 · Endurance
Single source8 hr 30 minutes[source]
Defender 4000 · 1,250 ft/min
Single source6.4 m/s (1,250 ft/min)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| First flight | May 1970[source] | 21 September 1984 ( 1984-09-21 )[source] |
|---|
| Developed from | Britten-Norman Islander[source] | Dassault Falcon 50[source] |
|---|
| Capacity | Up to 16 troops in transport role[source] | 19 passengers[source] |
|---|
| Aspect ratio | 8.0:1[source] | 7.63:1[source] |
|---|
| Airfoil | NACA 23012[source] | — |
|---|
| Fuel capacity | 1,131 L (299 US gal; 249 imp gal)[source] | 8,690 kg (19,160 lb)[source] |
|---|
| Stall speed | 87 km/h (54 mph, 47 kn) (flaps down)[source] | 158 km/h (98 mph, 85 kn) (wheels and flaps down)[source] |
|---|
| Take-off run to 15 m (50 ft) | 565 m (1,854 ft)[source] | — |
|---|
| Landing run from 15 m (50 ft) | 589 m (1,932 ft)[source] | — |
|---|
| Role | multi-role utility transport aircraft[source] | — |
|---|
| Primary users | — | French Air and Space Force Japan Coast Guard Nigerian Air Force Royal Malaysian Air Force[source] |
|---|
| Number built | — | >500[source] |
|---|
| Manufactured | — | 1984–present[source] |
|---|
| Developed into | — | Dassault Falcon 2000 Dassault Falcon 7X[source] |
|---|