European Facility For Airborne Research

Dimensions

Flying performances

Speed

Min speed	0 m/s
Max speed	32 m/s
Usual speed during measurements	15 m/s
Usual speed during transit flights	18 m/s
Ascent rate	6 m/s

Altitude

Min altitude	Above sea: 500 ft Above ground: 500 ft
Max ceiling	10 000 ft
Usual ceiling during measurements	1 500 ft
Ceiling limitations	Data - Sheet EASA (TCDS EASA.AS.001) Payload determined Min. altitude: Lower with local authorities permission, down to 250ft demonstrated

Payload

Empty weight	6 400 kg
Max take-off weight	n/c
Max payload	2 000 kg
Max scientific payload	1 900 kg (X-coordinate of 2nd point)
Usual scientific payload during measurements	n/c
Scientific payload for max endurance	1 250 kg (X-coordinate of 1st point)

Aircraft autonomy

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Endurance

Max endurance at min scientific payload and max fuel	23 h (Y-coordinate of 1st point)
Endurance at max scientific payload	2 h (Y-coordinate of 2nd point)

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Range

Max range	1 100 km (at min scientific payload and max fuel)
Conditions for max range	2 000ft GND - FL60, 35kts, no wind
Range at max scientific payload	100 km
Usual range during measurement flight	None km

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Other

Weather conditions limitations	VFR day and night, non-icing, wind limits
Take-off runway length	0 m
Engines	3 x Textron Lycoming IO-360 piston engines, 147kW each
Avionics	Glass Cockpit with dual PFD/MFD (Garmin G500H), electronic standby instrument (L3 ESI-2000), dual AV/COM (Garmin GTN650), 3rd COM for ground communications

Crew and scientists on board

Crew (pilots + operators)	1 - 2 pilots (single pilot operation certified)
Seats available for scientists	1 - 13 (dependent on scientific payload)

Cabin

Length	6.5m between doors, 11.5m total incl. cockpit m
Width	1.67 m
Height	1.8-1.67 m
Apertures	Two main doors: W1.0 m x H1.675 m, Located front-right and back-left Floor hatch 0.485m x 0.69m, located mid-cabin
Cabin pressurized	No
More information	No Air Conditioning, Heater available, On-board toilet Typical scientific mission layout: 2 pilots, 5 scientific operators, 2 racks, 1 toilet

Aircraft modifications

Nose boom	3,5 m length in front of airship gondola nose, made of CFRP for carrying measuring probes
Windows	2 window ports open during flight, oval shaped 0.67m x 0.33m
Openings	Floor hatch 0.485m x 0.69m, accessible while airborne
Hard points	Platform on top of airship max. 450kg payload Cabin nose max. 165kg (replacing nose boom) On cabin floor hatch: 250kg and more On Airship Nose 65kg Hooks on engine nacelles Hooks on airship envelope
Inlets	Possible though floor hatch and door ports
Additionnal systems	No

Acquisition systems

ARINC and aircraft bus data, GPS, inertial and attitude

Electrical power

Aircraft total electrical power (kW)
Electrical power (kW) and voltages (V) available for scientists	Approx. 5kW at 28VDC standard Optional up to additional 8kVA at 28VDC 230V AC power available on request