Dornier Do 27

Do 27

Do 27 in Swiss Air Force markings
Role	STOL light utility aircraft
Manufacturer	Dornier Flugzeugbau GmbH
First flight	27 June 1955
Status	In civilian use
Primary user	German Air Force
Produced	1955-1965
Number built	628
Developed from	Dornier Do 25
Developed into	Dornier Do 28 Dornier Do 29

The Dornier Do 27 was a German single-engine STOL utility aircraft, manufactured by Dornier GmbH (later DASA Dornier, Fairchild-Dornier). Configuration was a classic high-wing, "tail-dragger" aircraft with fixed landing gear.

History

Dorniers facilities in Spain designed the Do 25, to a Spanish military requirement for a light utility aircraft, as a precursor to the production Do 27. Powered by a single 110 kilowatts (150 hp) ENMA Tigre G.V engine, the Do 25 was not selected for production.

The Do 27 seated four to six and the original prototype first flew in Spain on 27 June 1955.^[1] Most production aircraft were built in Germany, the first German built aircraft taking flight on 17 October 1956, 50 more were manufactured in Spain by Construcciones Aeronáuticas SA as the CASA-127.

The German Air Force and German Army ordered a total of 428 of the Do 27A and Do 27B (with dual controls).^[2]

A later version with the same basic specifications but equipped with wider track landing gear was known as the Do 27Q-5. The aircraft was offered as a twin-float seaplane, the Do 27S-1, and with a larger engine (254 kW/340 hp Lycoming GSO-480-B1B6) and a three-blade propeller as the Do 27H-2.

In addition to the military operators in Germany and Spain, Portugal received 40 new build and 106 ex-German aircraft. The Portuguese Air Force used these extensively in the colonial war in Portuguese Africa during the 1960s-70s. In the Portuguese Guinea, in April 1973, two Do 27s were shot down by SAM-7 Grail shoulder-launched AAMs.^[3]

The Do 27 was notable for being the first mass-produced aircraft in Germany after World War II. It was appreciated for its relatively wide, comfortable cabin and excellent short-field performance.

Variants

Do 27B-2 used by Bernhard Grzimek

Do 25: Precursor aircraft designed to a Spanish requirement and powered by a 110 kilowatts (150 hp) ENMA Tigre G.V engine.^[4]
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

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, 2 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.

Operators

Civil operators

Turkey

General Command of Mapping (Turkey)

Military Operators

Do 27

Angola

National Air Force of Angola^[5]

Belgium

Belgian Army

Belize

Belize Defence Force

Burundi
Cyprus

Cyprus Air Forces - Former operator.

Republic of the Congo
Germany

Guinea-Bissau

Military of Guinea-Bissau^[6]

Israel

Israeli Air Force

Lesotho

Lesotho Defence Force

Malawi

Military of Malawi

Mozambique

military of Mozambique

Nigeria
Portugal

Portuguese Air Force's Do 27.

Portuguese Air Force operated 146 aircraft

Rwanda
South Africa

South African Air Force operated 2 aircraft between 1958 - 1967.^[7]

Spain

Spanish Air Force

Sudan

Sudanese Air Force

Sweden

Swedish Army operated 5 aircraft between 1961 - 1991

Switzerland

Swiss Air Force

Turkey

Specifications (Do 27Q-5)

German Air Force Do 27 on display in the Deutsches Museum

Data from Macdonald Aircraft Handbook ^[8]

General characteristics

Crew: 1 or 2
Capacity: 4-6 passengers
Length: 9.60 m (31 ft 6 in)
Wingspan: 12 m (39 ft 5 in)
Height: 2.80 m (9 ft 2 in)
Wing area: 19.4 m² (208.7 ft²)
Empty weight: 1,073 kg (2,365 lb)
Max. takeoff weight: 1,850 kg (4,080 lb)
Powerplant: 1 × Lycoming GO-480-B1A6 6-cylinder piston engine, 201 kW (270 hp)

Performance

Never exceed speed: 333 km/h (180 kn, 207 mph)
Maximum speed: 232 km/h (125 kn, 144 mph)
Cruise speed: 211 km/h (114 kn, 131 mph)
Stall speed: 74 km/h (40 kn, 46 mph)
Range: 1,287 km (695 nmi, 800 mi)
Service ceiling: 3,290 m (10,800 ft)

References

Notes

↑ Jackson 1976, p. 10.
↑ Donald 1997, p. 341
↑ Canongia Lopes, Mario High Winged Workhorses: Broussards and Dorniers in Portuguese Service Air Enthusiast #75 May–June 1998 p.44
↑
- Bridgman, Leonard (1955). Jane's all the World's Aircraft 1955-56. London: Jane's Publishing Company.
↑ Air International February 1993, p. 104.
↑ Air International December 1985, p. 282.
↑ http://www.saairforce.co.za/the-airforce/aircraft/149/do-27a
↑ Green 1964, p. 31.

Bibliography

Bridgman, Leonard (1955). Jane's all the World's Aircraft 1955-56. London: Jane's Publishing Company.
Donald, David, ed. (1997). The Encyclopedia of World Aircraft. Aerospace Publishing. p. 341. ISBN 1-85605-375-X.
"FAPA - A force alone". Air International. Vol. 44 no. 2. February 1993. pp. 103–105. ISSN 0306-5634.
Green, William (1964). Macdonald Aircraft Handbook. London: Macdonald & Co. (Publishers) Ltd.
Jackson, Paul A. (1976). German Military Aviation 1956-1976. Hinckley, Leicestershire, UK: Midland Counties Publications. ISBN 0-904597-03-2.
"A West African Rarity". Air International. Vol. 29 no. 6. December 1985. p. 282. ISSN 0306-5634.

External links

Wikimedia Commons has media related to Dornier Do 27.

Dornier and Zeppelin-Lindau aircraft

Zeppelin-Lindau 1914-1919	Rs.I Rs.II Rs.III Rs.IV C.I C.II CS.I CL.II D.I GS.I V1

Dornier designations 1919-1933	Do A Do B Do C Do D Do E Do F Do G (project) Do H Do J Do K Do L Do N Do O Do P Do Q Do R Do S Do T Do U Do V Do X Do Y Delphin Komet Libelle Merkur Spatz Wal

RLM designations 1933-1945	Do 10 Do 11 Do 12 Do 13 Do 14 Do 15 Do 16 Do 17 Do 18 Do 19 Do 20 Do 22 Do 23 Do 24 Do 25 Do 26 Do 29 Do 212 Do 214 Do 215 Do 216 Do 217 Do 317 Do 318 Do 335 Do 417 Do 435 Do 635 P.59 P.85 P.174 P.184 P.192 P.231 P.232 P.238 P.247 P.252 P.254 P.256 P.273 P.1075

Dornier designations post-1945	Do 24 Do 25 Do 27 Do 28 Do 29 Do 31 Do 32 Do 34 Do 128 Do 132 Do 228 Do 231 328 328JET 428 528 728JET 928JET Aerodyne Alpha Jet Projekt 621 Seastar S-Ray 007

See also Claudius Dornier and Dornier Museum Friedrichshafen

Swedish Air Force military aircraft designations 1940–present

1-25	B/S/T/Tp 16 Sk 16 B/S 17 B/S/T 18 J 19 J 20 A/J 21 A/J 21R J/S 22 J 23 B/J 24 Tp 24 Sk 25

26-50	Sk 26 B/S 26 J/S 26 J 27 A/J/Sk 28 A/J/S 29 J 30 S 31 A/J/S 32 J 33 J 34 J/S/Sk 35 A 36 AJ/JA 37 A/Sk 38 JAS 39 Tp 45 Tp 46 Tp 47 Sk 50

51-100	Fpl 51 Tp 52 Tp 53 Fpl 54 Tp 54 Tp 55 Sk 60 Sk/Fpl 61 Tp 78 Tp 79 Tp 80 Tp 81 Tp 82 Tp 83 Tp 84 Tp 85 Tp 86 Tp 87 Tp 88 Tp 89 Tp 91

100-	Tp 100 Tp 101 Tp 102 Tp 103

Construcciones Aeronáuticas SA (CASA) and EADS CASA aircraft

Fixed-wing aircraft	III 1.131 1.133 2.111 352 C-101 C-102 C-112 C.127 C-201 C-202 C-207 C-212 C-223 CN-235/HC-144 C-295

founder: José Ortiz-Echagüe

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