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      Aero A.11 Day and Night Reconnaissance / Multi-purpose Aircraft  

    Aero A.11 Day and Night Reconnaissance / Multi-purpose Aircraft

    The Aero A.11 was a multirole biplane airframe that saw several major variants produced for its time in the air.

     Updated: 4/17/2017; Authored By Staff Writer; Content ¬©www.MilitaryFactory.com

    The Aero A.11 was a successful multirole performer for the Czech Army Air Force during the interwar years separating the two World Wars. Equally respected for its adaptability and capability, the A.11 was designed from the outset as a multi-purpose airframe to replace the aging series of aircraft still in service at the time. In the end, the Aero A.11 would see no fewer than 20 different variant types, owing much to the inherently adaptable design envisioned when the aircraft first flew in 1925.

    The A.11 was of traditional biplane arrangement featuring an over and under primary wing element. It maintained World War 1-era fighter traits such as open-air cockpits and fixed undercarriage. The crew numbered two with the pilot and his observer / gunner seated in tandem within the slab-sided fuselage. The upper wing element was fitted just ahead and around the pilot with the single liquid-cooled engine mounted forward of this (driving a two-bladed propeller unit).

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    Aero A.11 Technical Specifications

    Service Year: 1925
    Type: Day and Night Reconnaissance / Multi-purpose Aircraft
    National Origin: Czechoslovakia
    Manufacturer(s): Aero Vodochody - Czechoslovakia
    Production Total: 250

    Structural (Crew Space, Dimensions and Weights)

    Operating Crew: 2
    Length: 26.90 feet (8.2 meters)
    Width: 41.99 feet (12.80 meters)
    Height: 10.17 feet (3.10 meters)

    Weight (Empty): 2,381 lb (1,080 kg)
    Weight (MTOW): 3,395 lb (1,540 kg)

    Installed Power and Standard Day Performance

    Engine(s): 1 x Walter W.IV 8-cylinder liquid-cooled engine developing 240 horsepower and driving a two-bladed propeller at the nose.

    Maximum Speed: 149 mph (240 kph; 130 knots)
    Maximum Range: 466 miles (750 km)
    Service Ceiling: 24,934 feet (7,600 meters; 4.72 miles)
    Rate-of-Climb: 751 feet-per-minute (229 m/min)

    Armament / Mission Payload

    1 x 7.7mm Vickers machine gun in fixed, forward-firing mounting.
    2 x 7.7mm Lewis machine guns on trainable mounting in rear cockpit.

    Up tp 441lb of conventional drop stores.

    Global Operators / Customers

    Czechoslovakia; Finland

    Model Variants (Including Prototypes)

    A.11 - Base Designation

    Ab.11 - Day Light Bomber

    A.11HS - Finnish Export Model Designation

    A.11N - Night Bomber