European Facility For Airborne Research

European Facility For Airborne Research Dec. 5, 2025, 08:49

Aircraft: DO228 - ARF

  1. Aircraft & Instruments
  2. Aircraft
  3. Aircraft: DO228 - ARF
DO228 - ARF
Aircraft acronym DO228 - ARF Registration number G-ENVR
Operator Natural Environment Research Council Transnational Access status Closed to TA
Manufacturer Dornier Flugzeugwerke, Do 228-101 Open to access status Closed for access
Aircraft type Research Engine category Turbo propeller
Categories Troposphere

Dimensions

  • Length: 15.04 m
  • Height: 4.86 m
  • Wingspan: 16.87 m
Airplane dimensions 15.04 m 4.86 m 16.87 m

Flying performances

Speed
Min speed 62 m/s
Max speed 83 m/s
Usual speed during measurements 65 m/s
Usual speed during transit flights 98 m/s
Ascent rate 1 000 m/s
Altitude
Min altitude
  • Above sea: 200 ft
  • Above ground: 500 ft
Max ceiling 22 000 ft
Usual ceiling during measurements 15 000 ft
Ceiling limitations

portable oxygen and instrument operation
Payload
Empty weight 3 596 kg
Max take-off weight 5 980 kg
Max payload 1 595 kg
Max scientific payload n/c
Usual scientific payload during measurements 500 kg
Scientific payload for max endurance n/c
Endurance
Max endurance at min scientific payload and max fuel 7 h (Y-coordinate of 1st point)
Endurance at max scientific payload 5 h (Y-coordinate of 2nd point)
Range
Max range 2 600 km (at min scientific payload and max fuel)
Conditions for max range

at FL150, max fuel, speed: 180 kts
Range at max scientific payload None km
Usual range during measurement flight 1 500 km
Other
Weather conditions limitations

VFR/IFR Approved Certified to fly in known icing conditions
Take-off runway length 625 m
Engines

2 x Honeywell TPE 331-5A-252 D
Avionics

INS, GPS, Transponder, DME, Weather radar, radio-altimeter

Crew and scientists on board
Crew (pilots + operators)

VFR: 1 pilot ; IFR: 2 pilots
Seats available for scientists

1 - 3

Cabin
Length n/c m
Width n/c m
Height n/c m
Apertures

cargo door: W1.28 m x H1.34 m
Cabin pressurized

no
More information

Flexible accommodation for standard 19-inch racking, secured via the seat-rails.
See below for additional information

Aircraft modifications
Nose boom

no
Windows

no
Openings

Cabin floor: 1 x W2.06 m x L0.52 m and 1 x D0.43 m.
Cabin roof: 1 x D0.40 m and 1 x D0.15 m at the back ; 1 x D0.15 m at the front
Hard points

Six hardpoints below the cockpit-area for external loads up to 200 Kg- Each fuselage side (cockpit area) has three hardpoint
- pairs to carry a load of 50 Kg (e.g. SLAR-antennae).
- two wing-stations for external loads up to 100kg on both wings (outside of propwash)

Inlets

One, installed on cabin roof aperture (frame 12/13), to accommodate Aerosol and/or whole-air inlets
Additionnal systems

From the wing-stations to the cabin there are tubes for cables (power and data lines) pylons/pods to carry four Particle Measurement Systems (PMS) type probes.

Acquisition systems

n/c

Electrical power
Aircraft total electrical power (kW)

28 VDC, 8.4 kW , 220 VAC, 2kW, 50 Hz

Electrical power (kW) and voltages (V) available for scientists

28 VDC, 6.3 kW of 28 volt DC total power, including a permanently installed 1.6kW / 220 V / 50 Hz inverter
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