Dimensions: Length: 15.20 m; Height: 6.31 m; Wingspan: 19.00 m; Flying performances: Speed: Min speed: 46 m/s Max speed: 102 m/s Usual speed during measurements: 72 m/s Usual speed during transit flights: 93 m/s Ascent rate: 8 m/s Altitude: (1 ft = 0.31 m) Min altitude: Above sea: 300 ft Above ground: 500 ft Max ceiling: 25000 ft Usual ceiling during measurements: 12000 ft Ceiling limitations: 22000ft using oxygen Payload: Empty weight: 4300 kg Max take-off weight: 7700 kg Max payload: 2800 kg Max scientific payload: 2800 kg ... (X-coordinate of 2nd point) Usual scientific payload during measurements: 900 kg Scientific payload for max endurance: 700 kg ... (X-coordinate of 1st point) Endurance: Max endurance: 4 h (at min scientific payload and max fuel) (Y-coordinate of 1st point) Endurance at max scientific payload: 1 h ... (Y-coordinate of 2nd point) Range: Max range: 1760 km (at min scientific payload and max fuel) Range at max scientific payload: 408 km Usual range during measurement flight: 250 km Other: Weather conditions limitations: VFR,IFR, icing Take-off runway length: 630 m Engines: two TPE; Avionics: Radioaltimeter, weather RADAR, GPS receiver Crew and scientists on board: Crew (pilots + operators): 4; Seats available for scientists: 5 Cabin: Length: 6.55 m Width: 1.9 m Height: 1.8 m Apertures: Apertures (5): Cargo back door: 1.70m wide; 1.80m high Main cabin back-side door: 0.70m wide; 1.58m high Crew front-side door (2): 0.58m wide; 1.10m high Emergency back-side door: 0.56m wide; 0.94m high; Cabin pressurized: No More information: Cabin floor area: 10.5 m2 Cabine volume: 22.3 m3; Aircraft modifications: Nose boom: Not available Hard points: 2 wing stations for carryng PMS probes Inlets: Three inlets: - Two inlets for gases - One inlet for a filter sampler Additionnal systems: Flight test data acquisition system that can record up to 55 parameters Acquisition systems: Two acquisition systems are available: - General purpose acqu. system to measure and record airplane performances. - Specific purpose acqu. system for environmental applications. Electrical power: Aircraft total electrical power (kW): 22.4kW Electrical power (kW) and voltages (V) available for scientists: 2000W - 220VAC - 50Hz 460W - 115VAC - 60Kz 1800W - 28VDC