European Facility For Airborne Research

Dimensions

Flying performances

Speed

Min speed	41 m/s
Max speed	95 m/s
Usual speed during measurements	57 m/s
Usual speed during transit flights	82 m/s
Ascent rate	4 m/s

Altitude

Min altitude	Above sea: 50 ft Above ground: 500 ft
Max ceiling	25 000 ft
Usual ceiling during measurements	10 000 ft
Ceiling limitations	payload weight

Payload

Empty weight	2 779 kg
Max take-off weight	4 375 kg
Max payload	1 595 kg
Max scientific payload	1 045 kg (X-coordinate of 2nd point)
Usual scientific payload during measurements	250 kg
Scientific payload for max endurance	275 kg (X-coordinate of 1st point)

Aircraft autonomy

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Endurance

Max endurance at min scientific payload and max fuel	7 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	1 806 km (at min scientific payload and max fuel)
Conditions for max range	At FL100, max fuel, 77 m/s
Range at max scientific payload	None km
Usual range during measurement flight	1 222 km

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Other

Weather conditions limitations	no flight if severe icing conditions
Take-off runway length	750 m
Engines	1 x Pratt&Whitney PT6A 114A
Avionics	n/c

Crew and scientists on board

Crew (pilots + operators)	1 + 1
Seats available for scientists	3

Cabin

Length	6.50 m
Width	1.60 m
Height	1.40 m
Apertures	cargo door: W1.27 m x H1.24 m ; 2 x pilot door ; 1 x passenger door
Cabin pressurized	no
More information	no

Aircraft modifications

Nose boom	no
Windows	no
Openings	2 x W0.63 m x H0.66 m
Hard points	no
Inlets	no
Additionnal systems	2 x GPS antenna and irradiance sensor on the upper side of the fuselage

Acquisition systems

2 x POS/AV, computer and a fast external hard drive for storage

Electrical power

Aircraft total electrical power (kW)	8.4 kW
Electrical power (kW) and voltages (V) available for scientists	4.2 kW at 28 VDC