European Facility For Airborne Research April 25, 2024, 03:45
Min speed | 97 m/s |
Max speed | 180 m/s |
Usual speed during measurements | 0 m/s |
Usual speed during transit flights | 180 m/s |
Ascent rate | 5 m/s |
Min altitude |
|
Max ceiling | 32 810 ft |
Usual ceiling during measurements | 30 185 ft |
Ceiling limitations | oxigen masks for crew |
Empty weight | 34 700 kg |
Max take-off weight | 64 000 kg |
Max payload | 13 500 kg |
Max scientific payload | n/c |
Usual scientific payload during measurements | 12 600 kg |
Scientific payload for max endurance | n/c |
Max endurance at min scientific payload and max fuel | 10 h (Y-coordinate of 1st point) |
Endurance at max scientific payload | n/c |
Max range | 6 500 km (at min scientific payload and max fuel) |
Conditions for max range |
At FL260, speed 323 kts, payload not more than 5,300 kg |
Range at max scientific payload | None km |
Usual range during measurement flight | 0 km |
Weather conditions limitations |
Possibility for flight according to IFR and VFR, weather conditions for landing - lower boundary of clouds 60 m, visible range 1000 m, max icing rate in clouds 2 mm/min |
Take-off runway length | 1 250 m |
Engines | 4 x Ivchenko AI-20M |
Avionics | Inertial navigation system INS, Global Positioning System GPS, Air and Temperature Signal System |
Crew (pilots + operators) |
5 |
Seats available for scientists | 10 - 20 |
Length | n/c m |
Width | n/c m |
Height | n/c m |
Apertures | n/c |
Cabin pressurized | yes |
More information | 1st cabin: W3.23 m x L4.60 m ; 2nd cabin: W3.23 m x L13.80 m ; 3rd cabin: W3.23 m x L2.70 m |
Nose boom | no |
Windows | 2 glass windows-blisters, metal plates replacing windows for mounting sensors booms |
Openings | 3 downward open windows for optical devices |
Hard points | 4 beams on wings for PMS sensors |
Inlets | inlets for air sampling |
Additionnal systems | system for shooting out squib (for weather modification purposes), system for seeding solid carbon dioxide, cement (for weather modification purposes) |
sampling rate 20 Hz, 14 bit for turbulent measurements, sampling rate 1 Hz, 12 bit for main wind speed and position measurements, PMS data acquisition system
Aircraft total electrical power (kW) | 48 kW |
Electrical power (kW) and voltages (V) available for scientists | 10 kW |