Dimensions: Length: 8.00 m; Height: 3.00 m; Wingspan: 11.00 m; Flying performances: Speed: Min speed: 40 m/s Max speed: 80 m/s Usual speed during measurements: 55 m/s Usual speed during transit flights: 65 m/s Ascent rate: 6 m/s Altitude: (1 ft = 0.31 m) Min altitude: Above sea: 250 ft Above ground: 250 ft Max ceiling: 20000 ft Usual ceiling during measurements: 15000 ft Payload: Empty weight: 1300 kg Max take-off weight: 2100 kg Max payload: 800 kg Max scientific payload: 100 kg ... (X-coordinate of 2nd point) Usual scientific payload during measurements: 40 kg Scientific payload for max endurance: 40 kg ... (X-coordinate of 1st point) Endurance: Max endurance: 5 h (at min scientific payload and max fuel) (Y-coordinate of 1st point) Endurance at max scientific payload: 5 h ... (Y-coordinate of 2nd point) Range: Max range: 970 km (at min scientific payload and max fuel) Usual range during measurement flight: 450 km Other: Weather conditions limitations: VFR + IFR Crew and scientists on board: Crew (pilots + operators): 2 + 2; Seats available for scientists: 2 Cabin: - Aircraft modifications: Nose boom: Mobile Flux Platform probe, 9 holes pressure sphere, CO2, H2O, temperature Openings: Two downward looking openings at centre of aircraft Acquisition systems: - Electrical power: Electrical power (kW) and voltages (V) available for scientists: 0.8 kW at 12VDC