Technical data
First-class performance - the technical data of the Do228 in an overview.
Versatile and reliable - The Do228 NXT
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 edge | Inboard: 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 door | 2 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) |