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Dorand AR

By Wikipedia,
the free encyclopedia,

Dorand AR.1 and AR.2
A.R.1 Dorand A.2 - USAAF Photo
Role Reconnaissance aircraft
Manufacturer Section Technique de l'Aéronautique
Designed by Georges Lèpere
First flight 1916
Introduced 1917
Primary users French Air Force
American Expeditionary Force
Serbian Aviation

The Dorand AR.1 was a 1910s French two-seat observation biplane aircraft used by the French Air Force, Serbian Aviation, and the American Expeditionary Force.

Design and development

Designed by Captain Georges Lèpere of French Army Aircraft Establishment to replace the archaic Farman F.40 pusher aircraft, Dorand AR-series were two-seater reconnaissance biplanes that were named after the F.A.A.E's director, Lt. Col. Dorand. They were characterized by backward-staggered three-bay wings and highly angular all-moving tail surfaces. The pilot sat beneath the leading edge of the upper wing, with the observer's cockpit being under the trailing edge respectively, and there were cut-outs in both wings to improve the latter's visibility. Rather unusually for a single-engine tractor biplane of the era, the lower wing was not directly attached to the fuselage, instead being somewhat below it, supported by struts.

Production of these aircraft began in a state-owned French Army Aircraft Establishment (or S.T.Aé.) factory at Chalais-Meudon, near Paris, after flight testing had been completed in the autumn 1916.

Operational history

The first ones of the thirteen squadrons which flew Dorands on the Western Front received their aircraft in the spring 1917. Five other French squadrons used the type on the Italian Front. These aircraft were withdrawn from the combat units in early 1918.

In 1917 the American Expeditionary Force ordered the Renault-engined varieties of the Dorand, the first of 22 AR.1s being delivered in December 1917 and the first of 120 AR.2s in following February. The Americans operated these types on the Western Front for the first half 1918, until replacing them with the Salmson 2. After being retired from fighting duties, the surviving examples were used as trainers.

A number of Dorand AR.1s were also supplied to Kingdom of Serbia, which operated these aircraft in four squadrons from April 1918 onwards.

While the Dorand AR-types didn't have a particularly distinguished career in either French or American service, having a rather mediocre performance for a late-war daytime reconnaissance aircraft and suffering from having been warranted a low priority for engine supplies, it is a testimony to the general soundness of the design that after the war, many AR.1s and AR.2s appeared in the French civil register, being used as 2/3-passenger transports by companies like Compagnie Aérienne Française and Réseau Aérien Transafricain. Private users found the aircraft useful for training and joy-flights as well.


There were following variants of the design:

1st production version powered by a 190 hp (142 kW) Renault 8 Bd engine
AR.1s modified with a 185 hp Lorraine-Dietrich engine
2nd production version powered by a 200 hp (149kW) Renault 8 Gdy engine
AR.2s modified with a 240 hp Lorraine-Dietrich engine

The AR.1 and ARL.1 had a wing span of 13,27 metres and used frontal radiators, while AR.2 and ARL.2 were slightly smaller aircraft with 12,00 metre wing span (wing area being 45 square metres) and wing mounted radiators. All these types had A2 added to their names in French service, indicating that they were being employed as two-seater reconnaissance aircraft.


Kingdom of Serbia
 United States

Specifications (AR.1)

General characteristics

  • Crew: 2, pilot and observer
  • Length: 9,14 m (ft in)
  • Wingspan: 13,27 m (ft in)
  • Height: m (ft in)
  • Wing area: 50,36 m² (ft)
  • Empty weight: kg (lb)
  • Loaded weight: 1250 kg (lb)
  • Useful load: kg (lb)
  • Max takeoff weight: kg (lb)
  • Powerplant:Renault 8 Bd V-engine, 190 hp (140 kW)



  • 1 × fixed forward-firing .303 inch Vickers machine gun for the pilot
  • 1 or 2 × Lewis gun(s) on a movable mounting for the observer
  • 80 kg of bombs carried internally

See also

For the photographs of the Dorands see following pages:

Comparable aircraft Royal Aircraft Factory R.E.8 - Albatros C.VII

Text from Wikipedia is available under the Creative Commons Attribution/Share-Alike License; additional terms may apply.

Published - July 2009

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