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Dornier Do 28D/Do 128 Skyservant



Type: STOL utility transport
Manufacturer: Dornier-Werke
Crew: One + thirteen passengers
First Flight: February 23, 1966
FAA Certification: April 19, 1968
Production: 220+

Powerplant:
Do 28D-2
Model: Avco Lycoming TIGO-540
Type: Turbocharged Piston Engine
Number: Two      Horsepower: N/A

Do 128-2
Model: Avco Lycoming IGSO-540-A1E
Type: Flat Six Piston Engine
Number: Two      Horsepower: 283 kw (380-hp)

Do 128-6
Model: Pratt & Whitney PT6A-110
Type: Turboprop
Number: Two      Horsepower: 298 kW (400-shp)
  Dimensions:
Height: 12ft. 9½ in. (3.9m)
Length: 37 ft. 5¼ in. (11.41m)
Wing Span: 55 ft. 0¼ in. (15.55m)
Wing Area: 312.166 sq. ft. (29m²)

Weights:
Empty: 5,172 lb. (2346 kg.)
Maximum Take-Off: 8,470 lb. (3842 kg.)

Performance:
Top Speed: 202 mph (325 kph) at 10,000 ft. (3050m)
Cruising Speed: 131 mph (211 kph) at 10,000 ft. (3050m)
Ceiling: 25,195 ft. (7680m)
Range at cruising speed: 399 miles (642 km)

Comments:
The Do 28 was designed from the Do 27 and equiped with two engines for enhanced performance. The limitations of this was that the internal capacity was the same as the Do 27. The Do 28D sought to rectify this and eventually was redesignated Do 128.

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