The Aero A.11 was a

biplane A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While ...

light bomber A light bomber is a relatively small and fast type of military bomber aircraft that was primarily employed before the 1950s. Such aircraft would typically not carry more than one ton of ordnance. The earliest light bombers were intended to dro ...

and

reconnaissance aircraft A reconnaissance aircraft (colloquially, a spy plane) is a military aircraft designed or adapted to perform aerial reconnaissance with roles including collection of imagery intelligence (including using photography), signals intelligence, as ...

built in

Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...

between the

First First or 1st is the ordinal form of the number one (#1). First or 1st may also refer to: *World record, specifically the first instance of a particular achievement Arts and media Music * 1$T, American rapper, singer-songwriter, DJ, and rec ...

and

Second The second (symbol: s) is the unit of time in the International System of Units (SI), historically defined as of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds ...

World Wars. It formed the basis for many other Czechoslovakian

military aircraft A military aircraft is any fixed-wing or rotary-wing aircraft that is operated by a legal or insurrectionary armed service of any type. Military aircraft can be either combat or non-combat: * Combat aircraft are designed to destroy enemy equipm ...

of the inter-war period. Around 250 were built, with some remaining in service at the outbreak of World War II. Designed by

Antonin Husnik Antonin may refer to: People * Antonin (name) Places ;Poland * Antonin, Jarocin County, Greater Poland Voivodeship * Antonin, Kalisz County, Greater Poland Voivodeship * Antonin, Oborniki County, Greater Poland Voivodeship * Antonin, Ostr ...

, it was a development of the

Aero A.12 The Aero A.12 was a Czechoslovakian biplane light bomber and military reconnaissance aircraft manufactured in small numbers shortly after World War I. Although reminiscent of the Hansa-Brandenburg-designed aircraft that Aero was building during th ...

(despite what the numbering of the designs might suggest). A

Hispano-Suiza 8 The Hispano-Suiza 8 was a water-cooled V8 SOHC aero engine introduced by Hispano-Suiza in 1914, and was the most commonly used liquid-cooled engine in the aircraft of the Entente Powers during the First World War. The original Hispano-Suiza ...

Fb-powered version, the A.11H-s was built for the

Finnish Air Force The Finnish Air Force (FAF or FiAF; fi, Ilmavoimat, , Air forces; sv, Flygvapnet, , Air weapon) is one of the branches of the Finnish Defence Forces. Its peacetime tasks are airspace surveillance, identification flights, and production of Finnis ...

, the only foreign operator of the type. The Finns had eight aircraft of this type and used them between 1927-39. Replica Aero Ab-11 L-BUCD (8236059976)

Variants

* A.11 : Two-seat light bomber, reconnaissance biplane. * A.11HS : Export version for

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...

. * A.11N : Night bomber version. * Ab.11 : Light bomber version. Aero Ab

Operators

; * Czechoslovak Air Force ; *

Specifications (Ab.11)

, max takeoff weight kg= , max takeoff weight note= , fuel capacity= , more general= , eng1 number=1 , eng1 name= Breitfield-Danek Perun II , eng1 type=6-cylinder water-cooled in-line piston engine , eng1 kw=180 , eng1 note=
:::: Walter W.IV (A.11} , prop blade number=2 , prop name=fixed-pitch propeller , prop dia m= , prop dia note= , max speed kmh=216 , max speed note=
:::: (A.11} , cruise speed kmh=190 , cruise speed note= , stall speed kmh= , stall speed note= , never exceed speed kmh= , never exceed speed note= , range km=750 , range note= , combat range km= , combat range note= , ferry range km= , ferry range note= , endurance= , ceiling m=7000 , ceiling note=
:::: (A.11} , g limits= , roll rate= , climb rate ms=3.82 , climb rate note= (A.11} , time to altitude= in 19 minutes 30 seconds , wing loading kg/m2=43.7 , wing loading note=
:::: (A.11} , fuel consumption kg/km= , power/mass= (A.11} , more performance= , guns=
** 1× forward firing .303 in (7.7 mm)

Vickers machine gun The Vickers machine gun or Vickers gun is a Water cooling, water-cooled .303 British (7.7 mm) machine gun produced by Vickers Limited, originally for the British Army. The gun was operated by a three-man crew but typically required more me ...

(A.11} ** 2× .303 in (7.7 mm) Lewis machine gun in flexible mount for observer (A.11} , bombs= (A.11

References

External links

Photo
at Ugolok Neba site. {{Aero-1920s-stub 1920s Czechoslovakian bomber aircraft 1920s Czechoslovakian military reconnaissance aircraft A011 Biplanes Single-engined tractor aircraft Aircraft first flown in 1925 World War II aircraft of Finland

Variants

Operators

Specifications (Ab.11)

See also

References

External links