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Hannover CL.V

Two-Seat Interceptor / Biplane Fighter [ 1918 ]

The CL.V marked the last of the Hannover CL biplane fighters to achieve operational service during World War 1.

Authored By: Staff Writer | Last Edited: 07/31/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

The final fighter entry by the Hannoversche Waggonfabrik AG (Hannover) concern of Germany for the German Air Service during World War 1 (1914-1918) became the "CL.V". The aircraft was a further development of the two-seat CL.III biplane which, itself, was an evolution of the first twin-seat CL.II biplane product of 1917 (both detailed elsewhere on this site). The CL.V mark arrived in the war's final months and, therefore, would have a very limited impact on the outcome - production would total only about 120 units with many arriving after the Armistice of November 1918 had already been signed.

Even as the CL.II and CL.III forms were making their way to fighter squadrons for Germany, German authorities were on the lookout for an Allied fighter-killer. Work on a successor was underway by mid-1918, just months before the war would officially end. What was sought was a stable, highly-capable gunnery platform utilizing a crew of two, having excellent maneuverability/agility, and heightened performance with good diving capabilities. All told, this mount would outshine anything the Allies could get into the air to face it and (hopefully) work to change the tide of the air war in Germany's favor. Standard armament was to be twin forward-facing machine guns with a trainable rear-facing machine gun giving the aircraft optimal firepower for the role.

Hermann Doner of Hannover drew up a new fighting biplane along these lines, utilizing all the lessons learned from his previous attempts through the CL.II and CL.III. Powered by a BMW IIIa series engine of 186 horsepower, the aircraft was designated as the "CL.V" and this would become the company's last attempt at a fighter before the end of the war (pre-war the company was tied to the railway industry and was not an aeroplane maker).

Engineers went with an equal-span biplane wing configuration featuring single bays and single "I-plane" struts. The upper wing member sat close to the fuselage with a section of the trailing edge cut-out at the pilot's position helping to improve visibility some. The engine was positioned in the nose in the usual way and this served to drive the two-bladed propeller unit. The crew of two were seated in tandem with the pilot forward and gunner aft - the gunner's position was, as in the CL.II and CL.III before it, again raised for optimal firing angles. The tail unit originally incorporated the CL.II's biplane configuration but the production form adopted a more traditional single-finned unit. The undercarriage was of typical tail-dragger configuration for the period, involving wheels under center-forward mass and a simple skid under the tail.

The CL.V compared favorably to other similar fighter types of the day, including the famous Fokker D.VII, despite its twin-seat configuration. Authorities were sold on the design enough to order an initial production batch of 100 aircraft (these with single-finned tail units) in September of 1918. However, the Armistice of November 1918 arrived much too soon for the effort to gain traction and only about forty-six or so of the fighters were completed - none destined to reach the Front before the end.

Even so, Hannover continued serial production of the fighter under the limitations of the Armistice during the ensuing months and this resulted in a further sixty-two fighters being added to the stable. At least one, following weight-reduction modifications, went on to achieve a World Altitude Record of 27,362 feet during November 1919.

Beyond this, fourteen CL.V fighting biplanes were produced under license by Kjeller Flyvemaskinsfabrik of Halden, Norway in 1923 for service with the Norwegian Army Air Service where they were designated as Kjeller FF.7 "Hauk" ("Hawk"). These flew into 1929, some equipped with skis for ground-running on snow, before being replaced by more modern, advanced types.©MilitaryFactory.com
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Service Year

Imperial Germany national flag graphic
Imperial Germany

Not in Service.


Hannoversche Waggonfabrik - German Empire / Kjeller Flyvemaskinfabrik - Norway
(View other Aviaton-Related Manufacturers)
National flag of the German Empire National flag of Norway German Empire; Norway (post-war)
(OPERATORS list includes past, present, and future operators when applicable)
Air-to-Air Combat, Fighter
General ability to actively engage other aircraft of similar form and function, typically through guns, missiles, and/or aerial rockets.
Close-Air Support (CAS)
Developed to operate in close proximity to active ground elements by way of a broad array of air-to-ground ordnance and munitions options.
Intelligence-Surveillance-Reconnaissance (ISR), Scout
Surveil ground targets / target areas to assess environmental threat levels, enemy strength, or enemy movement.

23.0 ft
(7.00 m)
34.6 ft
(10.55 m)
9.4 ft
(2.85 m)
Empty Wgt
1,587 lb
(720 kg)
2,381 lb
(1,080 kg)
Wgt Diff
+794 lb
(+360 kg)
(Showcased structural values pertain to the base Hannover CL.V production variant)
Installed: 1 x BMW IIIa engine developing 186 horsepower and driving a two-bladed wooden propeller at the nose.
Max Speed
115 mph
(185 kph | 100 kts)
29,528 ft
(9,000 m | 6 mi)
345 mi
(555 km | 1,028 nm)
990 ft/min
(302 m/min)

♦ MACH Regime (Sonic)
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 Hannover CL.V production variant. Performance specifications showcased above are subject to environmental factors as well as aircraft configuration. Estimates are made when Real Data not available. Compare this aircraft entry against any other in our database or View aircraft by powerplant type)
2 x 7.92mm MG08 machine guns in fixed, forward-firing mountings and synchronized to fire through the spinning propeller blades.
1 x 7.92mm MG14 Parabellum machine gun on trainable mounting in rear cockpit.

Supported Types

Graphical image of an aircraft medium machine gun

(Not all ordnance types may be represented in the showcase above)
Hardpoint Mountings: 0

CL.V - Base Series Designation
F.F.7 "Hauk" - Norwegian license-built version of the CL.V; production by Kjeller.

General Assessment
Values are derrived from a variety of categories related to the design, overall function, and historical influence of this aircraft in aviation history.
Overall Rating
The overall rating takes into account over 60 individual factors related to this aircraft entry.
Rating is out of a possible 100 points.
Relative Maximum Speed
Hi: 120mph
Lo: 60mph
This entry's maximum listed speed (115mph).

Graph average of 90 miles-per-hour.
City-to-City Ranges
Hannover CL.V operational range when compared to distances between major cities (in KM).
Max Altitude Visualization
Small airplane graphic
Design Balance
The three qualities reflected above are altitude, speed, and range.
Aviation Era Span
Pie graph section
Pie graph section
Showcasing era cross-over of this aircraft design.
Unit Production (122)
Compared against Ilyushin IL-2 (military) and Cessna 172 (civilian).

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Images Gallery

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Image of the Hannover CL.V
Image from the Public Domain.


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