Aircraft: BN Defender
Dimensions
- Length: 12.2 m
- Height: 4.37 m
- Wingspan: 16.15 m
12.2 m
4.37 m
16.15 m
Flying performances
Speed| Min speed | 30 m/s |
| Max speed | 82 m/s |
| Usual speed during measurements | 40 m/s |
| Usual speed during transit flights | 67 m/s |
| Ascent rate | 5 m/s |
| Min altitude |
|
| Max ceiling | 24 000 ft |
| Usual ceiling during measurements | 3 000 ft |
| Ceiling limitations | up to 12000 ft without oxygen |
| Empty weight | 2 257 kg |
| Max take-off weight | 3 855 kg |
| Max payload | 900 kg |
| Max scientific payload | 700 kg (X-coordinate of 2nd point) |
| Usual scientific payload during measurements | 400 kg |
| Scientific payload for max endurance | 400 kg (X-coordinate of 1st point) |
Endurance
| Max endurance at min scientific payload and max fuel | 7 h (Y-coordinate of 1st point) |
| Endurance at max scientific payload | 3 h (Y-coordinate of 2nd point) |
Range
| Max range | 1 448 km (at min scientific payload and max fuel) |
| Conditions for max range |
1 pilot, 1 operator, 400 kg payload |
| Range at max scientific payload | 400 km |
| Usual range during measurement flight | 1 200 km |
Other
| Weather conditions limitations |
VFR/IFR Approved Certified to fly in known icing conditions |
| Take-off runway length | 570 m |
| Engines | 2x Rolls Royce 250-B17F/1 turbine engines |
| Avionics |
Crew and scientists on board
| Crew (pilots + operators) |
1 pilot + 1 operator |
| Seats available for scientists | 2 |
Cabin
| Length | 5.32 m |
| Width | 1.09 m |
| Height | 1.26 m |
| Apertures | Floor: 1x 0.54mx0.51m, 1x 0.54m x0.635m |
| Cabin pressurized | No |
| More information | Cabin length - 3.68m flat surface. 5.32m incl cargo bay |
Aircraft modifications
| Nose boom | No |
| Windows | Bubble observation windows on both sides |
| Openings | 2 camera apertures |
| Hard points | 4 Hardpoints under wing |
| Inlets | No |
| Additionnal systems | Sliding door, ob |
Acquisition systems
Airborne Surveillance and Environmental Monitoring System (ARSENAL):
- Surevillance system - UltraFORCE II (320x240 px thermal imager, 752x582 px color camera)
- Standard nadir sensors - three hyperspectral imagers (CASI, SASI, MASI) covering 365-5000 nm spectral range, topographic LiDAR, high resolution RGB camera
- Additional nadir sensors - broadband thermal and ultraviolet imagers
Electrical power
| Aircraft total electrical power (kW) | 28VDC 120amp = 3.36kW |
| Electrical power (kW) and voltages (V) available for scientists | 3x 28VDC 20 amp 0.56kW |