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Dornier Do-25 & Do-27

The Dornier Do 27 is a German single-engine STOL utility aircraft that was designed and manufactured by Dornier GmbH (later DASA Dornier and Fairchild-Dornier).

It was notable for being the first mass-produced aircraft in Germany following the end of the Second World War.


Do 25

Precursor aircraft designed to a Spanish requirement and powered by a 110 kW (150 hp) ENMA Tigre G.V engine.

Do 27

Prototype, two built.

Do 27A-1

Military five-seat single-engine STOL utility transport aircraft, 177 built

Do 27A-2

Do 27A-1 with minor modification inside, two built.

Do 27A-3

Do 27A-1 with increased take-off gross weight, 88 built.

Do 27-A4

Variant with wide landing gear and increased Take Off Gross Weight, 65 built.

Do 27B-1

Dual-control version of the A-1, 86 built.

Do 27B-2

Do 27B-2 with minor modification inside, five built.

Do 27B-3

Do 27B-2 with increased take-off gross weight, 16 built.

Do 27B-5

Conversions of 27B-3s to 27A-4 standard.

Do 27H-1

Do 27B-2 powered by a 254 kW (340 hp) Avco Lycoming GSO-480 piston engine with a three-bladed propeller and a larger tail, one built.

Do 27H-2

Variant of the H-1 for the Swiss Air Force with some modifications as applied to the Do 27Q-1

Do 27J-1

Production of the Do 27A-4 for Belgian Army, 12 built.

Do 27K-1

Production of the Do 27A-4 for Portuguese Air Force, 16 built.

Do 27K-2

Similar to K-1 with minor modifications for Portuguese Air Force, 14 built.

Do 27Q-1

Six-seat variant of the A-1 for civil market, 16 built.

Do 27Q-3

Four-seat variant of the Q-1 with a 230 hp Continental O-470K engine, one built.

Do 27Q-4

Improved Q-1 with auxiliary fuel tanks, 34 built.

Do 27Q-5

Improved Q-4 with internal modifications, 12 built.

Do 27Q-5(R)

Restricted category version of the Do 27Q-5.

Do 27Q-6

Variant of the Q-5 with internal changes for Guinea Bissau and Brazil, two built.

Do 27S-1

Floatplane version with enlarged rudder and a ventral fin, one built.

Do 27T

One Do 27Q-4 converted with a Turbomeca Astazou II turboprop engine.





4 or 5 pax


10.08 m (33 ft 1 in)

Do 27H2 9.9 m (32 ft)

Do 27S 10.08 m (33.1 ft)


12 m (39 ft 4 in)


4.18 m (13 ft 9 in)

Do 27S 4.18 m (13.7 ft)

Wing area

19.4 m2 (209 sq ft)

Aspect ratio



NACA 23018

Empty weight

985 kg (2,172 lb)

Do 27Q3 1,010 kg (2,230 lb)

Do 27Q4 1,050 kg (2,310 lb)

Do 27S 1,275 kg (2,811 lb)

Gross weight: 1,570 kg (3,461 lb)

Do 27Q3 1,700 kg (3,700 lb)

Do 27Q4 1,850 kg (4,080 lb)

Do 27S 1,850 kg (4,080 lb)

Fuel capacity

220 l (58 US gal; 48 imp gal) in two wing tanks, (Do 27Q4 provision for two 82 l (22 US gal; 18 imp gal) external tanks)


1 × Lycoming GO-480-B1A6 6-cylinder air-cooled horizontally-opposed piston engines, 205 kW (275 hp)


2-bladed Hartzell metal constant-speed propeller, 2.48 m (8 ft 2 in) diameter


Maximum speed

250 km/h (160 mph, 130 kn) at 1,000 m (3,300 ft)

Do 27H2 255 km/h (158 mph; 138 kn)

Do 27Q3 227 km/h (141 mph; 123 kn)

Do 27Q4 247 km/h (153 mph; 133 kn)

Do 27S 237 km/h (147 mph; 128 kn)

Cruise speed

205 km/h (127 mph, 111 kn)

Stall speed

58 km/h (36 mph, 31 kn)

Landing speed

65 km/h (40 mph; 35 kn)


870 km (540 mi, 470 nmi)

Service ceiling

5,500 m (18,000 ft)

Time to altitude

1,000 m (3,300 ft) in 2 minute 36 seconds

2,000 m (6,600 ft) in 6 minute 30 seconds

3,000 m (9,800 ft) in 12 minute

4,500 m (14,800 ft) in 26 minute 30 seconds

Take-off run to 15 m (49 ft)

170 m (560 ft)

Landing run from 15 m (49 ft)

160 m (520 ft) in nil wind.




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