Aircraft: FA20 - DLR
Dimensions
- Length: 18.75 m
- Height: 5.45 m
- Wingspan: 16.46 m
18.75 m
5.45 m
16.46 m
Flying performances
Speed| Min speed | 82 m/s |
| Max speed | 260 m/s |
| Usual speed during measurements | 200 m/s |
| Usual speed during transit flights | 100 m/s |
| Ascent rate | 7 m/s |
| Min altitude |
|
| Max ceiling | 42 000 ft |
| Usual ceiling during measurements | 39 000 ft |
| Ceiling limitations | Data sheet / LBA (German Aviation Authority) |
| Empty weight | 8 390 kg |
| Max take-off weight | 13 755 kg |
| Max payload | 1 810 kg |
| Max scientific payload | 1 400 kg (X-coordinate of 2nd point) |
| Usual scientific payload during measurements | 950 kg |
| Scientific payload for max endurance | 950 kg (X-coordinate of 1st point) |
Endurance
| Max endurance at min scientific payload and max fuel | 4 h (Y-coordinate of 1st point) |
| Endurance at max scientific payload | 4 h (Y-coordinate of 2nd point) |
Range
| Max range | 2 800 km (at min scientific payload and max fuel) |
| Conditions for max range |
At FL350, max fuel, 400 kts |
| Range at max scientific payload | None km |
| Usual range during measurement flight | 2 400 km |
Other
| Weather conditions limitations |
VFR (2 pilots), IFR (2 pilots) |
| Take-off runway length | 1 830 m |
| Engines | 2 x Honeywell TFE 731-5BR-2C |
| Avionics | EFIS-cockpit with GNS-X flight management systems. |
Crew and scientists on board
| Crew (pilots + operators) |
3 |
| Seats available for scientists | 2 - 4 |
Cabin
| Length | 4.60 m |
| Width | 1.5 m |
| Height | 1.64 m |
| Apertures | Main door: W0.8 m x H1.5 m |
| Cabin pressurized | yes |
| More information | no |
Aircraft modifications
| Nose boom | length 1.8 m made of CFK for carrying measuring probes (e.g. five hole probes for turbulence measurements) |
| Windows | 2 coverable foto windows in the bottom and 1 on top of the fuselage with a diameter of 520 mm each. |
| Openings | Left side of the fuselage: 1 x W0.25 m x H0.57 m (for optical or IR equipment) |
| Hard points | 5 hardpoint stations (2 under each wing, 1 under the bottom of the fuselage) to carry loads up to 130 kg each. |
| Inlets | 7 in total |
| Additionnal systems | pyranometer - radiometer |
Acquisition systems
up to 126 Data channels
up to 100 Hz sampling rate
several interfaces to connect user acquisition systems
inflight data processing
online graphic quicklook system
separate storage of raw and online processed physical data
hardcopy units
redundant storage (4x)
ARINC 429
Electrical power
| Aircraft total electrical power (kW) | 28 VDC max 600 A, conversion to 220 VAC / 50 Hz |
| Electrical power (kW) and voltages (V) available for scientists | 15 kW at 28 VDC |