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: Ceiling limitations without oxygen : 3,660 m 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: 5 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) Conditions for max range: At 3,050 m MSL with max fuel and 1,045 kg payload Range at max scientific payload: 408 km Usual range during measurement flight: 1040 km Other: Weather conditions limitations: VFR, IFR, icing Take-off runway length: 630 m Engines: Two Garrett TPE 331-10R-512C with 671 kw (900 shp), each driving a Dowty four-blade constant-speed propeller; Avionics: ADF(2), VOR/ILS(2), DME, transponders(2), radioaltimeter, weather radar, autopilot, HF transceiver, VHF transceivers(2), UHF transceiver Crew and scientists on board: Crew (pilots + operators): 4 persons; Seats available for scientists: 5 scientists Cabin: Length: 6.55 m Width: 1.90 m Height: 1.80 m Apertures: (5): Passenger door (port, aft): Max. width = 0.70 m, Max. height = 1.58 m Crew and servicing door (port, fwd): Max.width = 0.58 m, Max.height = 1.11 m Rear-emergency door: Max.width = 0.56 m, Max.height = 0.94 m Rear-loading door: Max.width = 1.70 m, Max.height = 1.80 m; Cabin pressurized: No More information: Four rails available in the cabin, two on the floor and two in the sides that allow to fix racks and a variety of equipments; Aircraft modifications: Nose boom: Not available Openings: Two openings (diameter 500 mm about) are available in the floor of the main cabin that allow tandem installation/operation of Earth observation sensors at nadir or almost-nadir vision, one. One sliding door protects the mounted instrument at take-off and landing. Hard points: None Inlets: None Additionnal systems: -A certified twin-rack for standard 19 inches modules 1.5 m high is available to install control and monitorization modules. - Suited electrical power generators have been implemented to feed research instruments (two dynamo-starters and three static-converters) Acquisition systems: - Electrical power: Aircraft total electrical power (kW): 22.4kW Electrical power (kW) and voltages (V) available for scientists: 125A - 28VDC 2000VA - 220VAC - 50 Hz