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Aero A.11


Day and Night Reconnaissance / Multi-purpose Aircraft (1925)


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Side profile view illustration of an Aero A.11; color

Jump-to: Specifications

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



Authored By: Staff Writer | Last Edited: 06/21/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.
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).

A single 7.7mm Vickers Machine Gun in a fixed, forward-firing mounting was fitted for attack and managed by the pilot. The rear gunner had access to a 2 x 7.7mm Lewis Machine Gun pairing atop a flexible mounting. A modest bomb load of 441lb could also be carried for attack sorties.

The engine of choice became the Walter W IV series engine of 240 horsepower. Performance included a maximum speed of 150 miles per hour, a service ceiling of 25,000 feet and a range out to 470 miles. Rate-of-climb was 751 feet -per-minute.

The Aero A.11 was seen in its typical twin-seat reconnaissance platform but was equally adept in the role of day (as the Ab.11) or night (as the A.11N) bombing. Another notable variant was the A.11HS, an export version shipped off to Finland - the only other operator of the series. Eight were used by the Finns up until World War 2 in 1939. By the 1940s the line had all but been discarded.

Specifications



Service Year
1925

Origin
Czechoslovakia national flag graphic
Czechoslovakia

Status
RETIRED
Not in Service.
Crew
2

Production
250
UNITS


Aero Vodochody - Czechoslovakia
National flag of Czechia National flag of Finland Czechoslovakia; Finland
(OPERATORS list includes past, present, and future operators when applicable)
Intelligence-Surveillance-Reconnaissance (ISR), Scout
Surveil ground targets / target areas to assess environmental threat levels, enemy strength, or enemy movement.


Length
26.9 ft
(8.20 m)
Width/Span
42.0 ft
(12.80 m)
Height
10.2 ft
(3.10 m)
Empty Wgt
2,381 lb
(1,080 kg)
MTOW
3,395 lb
(1,540 kg)
Wgt Diff
+1,014 lb
(+460 kg)
(Showcased structural values pertain to the base Aero A.11 production variant)
Installed: 1 x Walter W.IV 8-cylinder liquid-cooled engine developing 240 horsepower and driving a two-bladed propeller at the nose.
Max Speed
149 mph
(240 kph | 130 kts)
Ceiling
24,934 ft
(7,600 m | 5 mi)
Range
466 mi
(750 km | 1,389 nm)
Rate-of-Climb
751 ft/min
(229 m/min)


♦ MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030


(Showcased performance specifications pertain to the base Aero A.11 production variant. Compare this aircraft entry against any other in our database. View aircraft by powerplant type)
STANDARD:
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.

OPTIONAL:
Up tp 441lb of conventional drop stores.


Supported Types


Graphical image of an aircraft medium machine gun
Graphical image of an aircraft conventional drop bomb munition


(Not all ordnance types may be represented in the showcase above)
Hardpoint Mountings: 2


A.11 - Base Designation
Ab.11 - Day Light Bomber
A.11HS - Finnish Export Model Designation
A.11N - Night Bomber


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