Technical data

First-class performance - the technical data of the Do228 in an overview.

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Versatile and reliable - The Do228 NXT

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Overview of the Do228 technical data

Dimensions

Overall height:15 ft 11 in (4.86 m)
Overall length:54 ft 4 in (16.56 m)

Wings

Span:55 ft 8 in (16.97 m)
Area:344.3 ft2 (32 m2)
Aspect Ratio:9.0
Taper Ratio: 0.7
Sweepback of leading edgeInboard: 0° / Outboard: 8°

Passenger Compartment

Overall length:23 ft 3 in (7.08 m) 
Maximum width:4 ft 4 in (1.32 m)
Maximum height:5 ft 1 in (1.55 m)

Ailerons

Span:8 ft 10 in (2.69 m)
Area:2 x 14,5 ft2 (2x 1.345 m2)
Deflection (Flaps 0°):25° up / 18° down
Chord:30 %

Vertical Stabilizer

Height:8 ft 10 in (2.70 m)
Area:64,6 ft2 (6.0 m2)
Aspect ratio:1.5
Taper ratio:0.46
Rudder area:16.1 ft2 (1.5 m2)
Rudder deflection:-24° / +24°

Horizontal Stabilizer

Span:21 ft 2 in (6.45 m)
Area:89.6 ft2 (8.33 m2)
Aspect Ratio:5.0
Taper Ratio:1.0
Elevator deflection-30° / +25°

Doors (height x width)

Cockpit door2 ft 9 in x 2 ft 2 in
(0.84 m x 0.65 m)
Passenger airstair door:4 ft 5 in x 2 ft 1 in
(1.34 m x 0.64 m)
Passenger/cargo door (both door panels are open):4 ft 5 in x 4 ft 2 in
(1.34 m x 1.28 m)
Baggage door (front):3 ft 11 in x 1 ft 8 in
(1.2 m x 0.5 m)
Baggage door (rear):2 ft 11 in x 1 ft 9 in
(0.89 m x 0.53 m)
Emergency exits (3):2 ft 2 in x 1 ft 7 in
(0.67 m x 0.48 m)

Weights

Max. take-off weight (MTOW)1:14,110 lb (6,400 kg)
Max. landing weight2:13,448 lb (6,100 kg)
Max. zero fuel weight (MZFM):13,095 lb (5,940 kg)
Typical operating weight empty (2 pilots + 19 PAX seats)(OWE):8,598 lb (3,900 kg)
Mission equipment (incl. operator and cosole):1,047 lb (475 kg)
Max. usable fuel3:4,156 lb (1,885 kg)

1 optional MTOW increase to 6,575 kg (civil) / 6,600 (military) possible
2 optional MLW increase to 6,400 kg
3 optional wet wing increases max. usable fuel to 2,252 kg

Engines

Manufacturer:Honeywell
Model:2x TPE331-10 engine mit MTV-27 propellers
Power Output:579 kW (776 SHP) each (flat) rated power

 

Best in class performance 

Range of takeoff distance to 35 ft

2,600 ft at MTOW, ISA, SL
3,300 ft at MTOW, ISA + 10°C, 2.000 ft elevation
4,300 ft at MTOW, ISA + 20°C, 4.000 ft elevation, engine failure at V1

Accelerate stop distance range

2,500 ft at MTOW, ISA, SL
3,150 ft at MTOW, ISA + 10°C at 2,000 ft elevation
3,800 ft at MTOW, ISA + 20°C at 4,000 ft elevation

Range of unfactored landing distance

1,480 ft at MLW, ISA at SL
1,620 ft at MLW, ISA + 10°C at 2,000 ft elevation
1,775 ft at MLW, ISA + 20°C at 4,000 ft elevation

Maximum range

1,360 NM (2,518 km)
250 NM (462 km) at max. payload

Speed

Cruise speed: 240 KTAS at 15,000 ft
Min. control: 74 KIAS

Climb at ISA, SL conditions

Normal: 1,570 ft / min
Single engine: 400 ft / min

STOL takeoff to 50 ft

1,460 ft (445 m)

Max. altitude

25,000 ft (7,620 m)

STOL landing from 30 ft

1,148 ft (350 m)