Dimensions: Length: 22.67 m; Height: 7.75 m; Wingspan: 24.57 m; Flying performances: Speed: Min speed: 70 m/s Max speed: 134 m/s Usual speed during measurements: 100 m/s Usual speed during transit flights: 134 m/s Ascent rate: 6 m/s Altitude: (1 ft = 0.31 m) Min altitude: Above sea: 200 ft Above ground: 500 ft Max ceiling: 25000 ft Usual ceiling during measurements: 21000 ft Payload: Empty weight: 11300 kg Max take-off weight: 16900 kg Max payload: 4600 kg Max scientific payload: 3300 kg ... (X-coordinate of 2nd point) Usual scientific payload during measurements: 2000 kg Scientific payload for max endurance: 100 kg ... (X-coordinate of 1st point) Endurance: Max endurance: 6 h (at min scientific payload and max fuel) (Y-coordinate of 1st point) Endurance at max scientific payload: 2 h ... (Y-coordinate of 2nd point) Range: Max range: 2200 km (at min scientific payload and max fuel) Range at max scientific payload: 500 km Usual range during measurement flight: 1500 km Other: Weather conditions limitations: Certified VFR/IFR and icing conditions Take-off runway length: 1200 m Avionics: EFIS equipped Crew and scientists on board: Crew (pilots + operators): 2 pilots, 2 flight engineers; Seats available for scientists: up to 7 scientists Cabin: Length: 11,56m Width: 2,57m Height: Width at floor : 2,26m ; Height : 1,91 m Apertures: Main door : Width : 0,75m ; Height : 1,75 m ; Forward Cargo door : Width : 1,275 m ; Height : 1,53 m; Cabin pressurized: Yes Aircraft modifications: Nose boom: Equipped with a 5 holes probe in the nose for high rate turbulence measurements Windows: All windows can be equipped with scientific instruments Openings: Many openings have been made. Top fuselage: - 2 holes diam 150mm - 1 hole diam 200mm - 1 hole diam 400mm above ground opening Bottom of fuselage: - large front opening 400*600mm - large back opening 400*700mm - 2 holes diam 150mm - 1 hole diam 200mm Hard points: PMS carrying points under the wings (3 per wing max.) Other heavier carrying point around fuselage (4 points) Inlets: - Isokinetic Aerosol inlet on the front right window - CVI aerosol inlet on the top left of fuselage (on demand) - many chemistry inflow or reverse flow inlets. Additionnal systems: See all aircraft modifications in the attached document Acquisition systems: Data acquisition is centralized and each scientist can display all parameters on his/her screen. Time series of all data can be provided after each flight (within 2 hours). Electrical power: Aircraft total electrical power (kW): 18 kW at ground with external power 20 kW in flight 14 kW in hotel mode (On ground with engine running. When no ground power unit available) Electrical power (kW) and voltages (V) available for scientists: 15 kW at ground, 20 kW in flight. 28 V DC, 110V AC 400 Hz, 220V AC-50 Hz