Dimensions: Length: 10.00 m; Height: 5.00 m; Wingspan: 11.00 m; Flying performances: Speed: Min speed: 35 m/s Max speed: 70 m/s Usual speed during measurements: 50 m/s Usual speed during transit flights: 70 m/s Altitude: (1 ft = 0.31 m) Min altitude: Above sea: 164 ft Above ground: 500 ft Max ceiling: 10000 ft Usual ceiling during measurements: 5000 ft Ceiling limitations: 8000 Payload: Max take-off weight: 1275 kg Max payload: 264 kg Max scientific payload: 264 kg ... (X-coordinate of 2nd point) Usual scientific payload during measurements: 100 kg Scientific payload for max endurance: 125 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: 3 h ... (Y-coordinate of 2nd point) Range: Max range: 1089 km (at min scientific payload and max fuel) Conditions for max range: Pilot only, no operator Range at max scientific payload: 800 km Usual range during measurement flight: 300 km Other: Weather conditions limitations: IFR/VFR, non-icing Take-off runway length: 400 m Engines: 1; Avionics: Garmin GPS, Radar altitude JAVAD Differential GPS 20Hz using Cruciform Antennae AIMMS-20 GPS/Inertial Crew and scientists on board: Crew (pilots + operators): 2; Seats available for scientists: 1 Cabin: Length: 2.7 Width: 1.8 Height: 1.8 Apertures: 4 apertures: 2 up, 2 down cabin-tail, 4 1/4" gas inlets -2 per wing, two large diameter inlets - one per wing 1/2", 2 exhaust apertures cabin; Cabin pressurized: No More information: http://cloudbase.phy.umist.ac.uk/field/; Aircraft modifications: Nose boom: None Windows: 3 Openings: Downward aperture for UV spectrometer/KT-19 IR Sensor Upward aperture for UV broadband and SPP100 broadband Hard points: 1 on each wing - USAA cradle attached certified for PMS pod USAA cradle adaptor for AIMMS-20 Turbulence Sensor Inlets: 1 x 1/2" pipe per wing outside prop wash - water vapour/T sensors. 2 x 1/4" SS port wing with teflon tubing to cabin. 3 x 1/4" SS starboard wing with teflon tubing to cabin. Additionnal systems: Rear seats removed and replaced with certified removable instrument pannier. Instruments can be attached to pannier floor with proviso that they not extend above window sill level. JAVAD 20Hz Differential GPS AIMMS Inertial Motion System Acquisition systems: In house built/customised DAS Windows-LabView 7 based. Single backplane with 2 x P-4 Processors - networked with PSU adaptors - entire system self-contained and can be removed in single box. 32 x 16 Bit A/D; 10 x RS232; 4 x USB; Ethernet hub 4 x spare PCI slots Dedicated Multi-processor board PC/Notebook DAS can be flown also. Motorola satellite telephone fitted - can be used to transmit limited amounts of data to ground. Electrical power: Aircraft total electrical power (kW): 28V DC at 100A/115 V AC at 1kW Electrical power (kW) and voltages (V) available for scientists: 28V DC at 100A/115 V AC at 1kW