Dimensions: Length: 9.20 m; Height: 3.05 m; Wingspan: 11.30 m; Flying performances: Speed: Min speed: 30 m/s Max speed: 77 m/s Usual speed during measurements: 60 m/s Usual speed during transit flights: 75 m/s Ascent rate: 6 m/s Altitude: (1 ft = 0.31 m) Min altitude: Above sea: 200 ft Above ground: 300 ft Max ceiling: 12500 ft Usual ceiling during measurements: 10000 ft Payload: Empty weight: 1650 kg Max take-off weight: 2177 kg Max payload: 350 kg Max scientific payload: 180 kg ... (X-coordinate of 2nd point) Usual scientific payload during measurements: 80 kg Endurance: Max endurance: 4 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: 1000 km (at min scientific payload and max fuel) Range at max scientific payload: 225 km Usual range during measurement flight: 750 km Other: Weather conditions limitations: IFR, VFR, Not Approved for flight into known icing conditions. Take-off runway length: 700 m Engines: two Lycoming IO 540 C1 B5 ; Avionics: GPS, Doppler radar Crew and scientists on board: Crew (pilots + operators): 1 pilot + 1 flight engineer; Seats available for scientists: 1 Cabin: Length: 2.68 m Width: 1.14 m Height: 1.34 m Apertures: Main door: Width : 0.81 m ; Height : 0.96 m Cargo door : Width : 0.57 m ; Height : 0.56 m; Cabin pressurized: None Aircraft modifications: Nose boom: Length : 1.3 m Openings: Opening at the bottom of fuselage (for dropsondes, cameras, remote sensing) Hard points: 2 PMS-type carrying points under the wings Inlets: 2 at the front left (inflow and reverse-flow) Acquisition systems: Serial inflight data online processing. Online graphic quick look system. 1 workstation. Electrical power: Aircraft total electrical power (kW): 2x28V alternators each of 60A. Moreover, converters are added to supply 115V/400Hz and 220V/50Hz. Electrical power (kW) and voltages (V) available for scientists: See above