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Deutsche Luftstreitkräfte
Form of Cross Pattée used on
German military aircraft in 1915
Founded 1910 – 8 May 1920
Country  German Empire
Allegiance Kaiser Wilhelm II
Branch German Army
Type Air force
Size In 1918:
2,709 frontline aircraft
56 airships
186 balloon detachments
About 4,500 flying personnel
Engagements World War I
Hermann von der Lieth-Thomsen
Ernst von Hoeppner
1914–1915 Cross-Pattee-Heraldry.svg
1916 – March 1918 Cross-Pattee-alternate3.svg
March/April to
November 1918
Greek cross.svg

The Deutsche Luftstreitkräfte (German: [ˈdɔʏtʃə ˈlʊftˌʃtʁaɪtkʁɛftə], German Air Force)—known before October 1916 as the Fliegertruppen des deutschen Kaiserreiches (Imperial German Flying Corps)[1] or simply Die Fliegertruppe—was the World War I (1914–18) air arm of the German Army, of which it remained an integral part. In English-language sources it is usually referred to as the Imperial German Air Service, although that is not a literal translation of either name. German naval aviators serving with the Marine-Fliegerabteilung remained an integral part of the Imperial German Navy (Kaiserliche Marine). Both military branches, the army and navy, operated conventional aircraft, balloons and Zeppelins.


The first military aircraft to be acquired by the German Army entered service in 1910 – forming the nucleus of what was to become the Luftstreitkräfte in October 1916. The duties of such aircraft were initially intended to be reconnaissance and artillery spotting in support of armies on the ground, just as balloons had been used during the Franco-Prussian War of 1870–1871 and even as far back as the Napoleonic Wars. For comparison, France's embryonic army air service (Aviation Militaire), which eventually became the Armée de l'Air, was instituted later in 1910 – the Air Battalion of the Royal Engineers (later re-organised as the Royal Flying Corps) was not formed until November 1911.


The initial units of the Luftstreitkräfte, dedicated to observation, were known as Feldflieger Abteilungen (Field Flier Detachments), and had an official establishment of six unarmed, two-seat "A" and/or "B"-class aircraft apiece, with each "FFA" unit assigned to an army unit in their local area.

The Luftstreitkräfte organization changed substantially as the war progressed, to accommodate and adapt to the new types of aircraft, doctrine, tactics and the needs of the ground troops, in particularly the artillery. During this time evolved the system of organisation and unit designations that would form the basis of those used in the Third Reich's Luftwaffe when it was revealed in 1935.

During 1916, the German High Command, in response to Allied air superiority, reorganized their forces by creating several types of specialist units, most notably single-seat fighter squadrons, or Jastas as the contraction of Jagdstaffel (literally "hunting squadron"), in order to counter the offensive operations of the Royal Flying Corps and the French Aviation Militaire.

Fighter unit organization

Leutnant Max Immelmann with his first Fokker Eindecker, E.13/15.

The initial deployment of fighter aircraft in the summer of 1915 occurred within the Feldflieger Abteilung, which were being equipped with one of the new Fokker Eindecker fighter aircraft for each unit, starting with the five Fokker M.5K/MG production prototypes of the Eindecker, bearing serial numbers E.1/15 through E.5/15. The buildup of the Eindecker fighter force rapidly progressed with regular lMG 08 "Spandau"-armed production examples of the Fokker E.I following the deliveries of the M.5K/MG airframes late in the summer of 1915, with early E.Is going to aces like Max Immelmann, who received IdFlieg serial number E.13/15 in August 1915.

The first step towards specialist fighter-only aviation units within the German military was the establishment of Kampfeinsitzer Kommando (single-seat battle unit, abbreviated as KEK) formations by Inspektor-Major Friedrich Stempel in February 1916. These were based around Eindeckers and other new fighter designs emerging, like the Pfalz E-series monoplanes, that were being detached from their former FFA units during the winter of 1915–1916 and brought together in pairs and quartets at particularly strategic locations, as KEK units were formed at Vaux, Avillers[disambiguation needed], Jametz, Cunel and other strategic locations along the Western Front, to act as Luftwachtdienst (aerial guard force) units, consisting only of fighters.[2]

Following the era of the KEK units through the summer of 1916, Jagdstaffeln (hunting squadrons), established by the reorganization that started by the late summer of 1916 were fielded by four kingdoms of the German Empire. The Kingdom of Prussia was predominant, with a force eventually comprising 67 Jastas. The Kingdom of Bavaria formed ten Jastas, the Kingdom of Saxony formed seven and the Kingdom of Württemberg four, before the Armistice of 1918.

On 24 June 1917, the Luftstreitkräfte brought a quartet of Jasta squadrons together to form its first fighter wing, Royal Prussian Jagdgeschwader I, incorporating Jastas 4, 6, 10 and 11, and set the pattern for using Roman numerals in the Luftstreitkräfte for designating such larger-sized units. Manfred von Richthofen was moved up from command of Jasta 11 to command JG I. Much as Jasta 2 had been renamed as Jasta Boelcke in December 1916 after Oswald Boelcke, Germany's top fighter tactician had been lost in a mid-air collision in October 1916, following the "Red Baron's" death in action in late April 1918, JG I was renamed to honor von Richthofen by order of the Kaiser.[3][4]

The Prussians established three more Jagdgeschwader. On 2 February 1918, JG II formed from Jastas 12, 13, 15 and 19, with Adolf Ritter von Tutschek in command.[5] On the same day, JG III consolidated Jasta 2 Boelcke and Jastas 26, 27 and 36 under Bruno Loerzer.[6] Finally, on 2 September 1918, the Royal Prussian Marine Jagdgeschwader was formed from the Kaiserliche Marine's Marine Feld Jastas I through V and placed in charge of Gotthard Sachsenberg. Bavaria established the Royal Bavarian Jagdgeschwader IV on 3 October 1918, from Jastas 23, 32, 34 and 35 under Eduard Ritter von Schleich.[7]

Unit designations

(AFA) Artillerieflieger-Abteilung: Artillery Flier Detachment
(AFS) Artillerieflieger-Schule; Artillery Flier School
AFP – Armee-Flug-Park: Army Flight Park
BZ – Ballonzug: Balloon Platoon
BG – Bombengeschwader: Bomber Wing
Bogohl – the "Bombengeschwader der Oberste Heeresleitung", the bombing wings under direct control by the German Army's High Command in World War I.
Bosta – Bomberstaffel: Bomber Squadron
etc – Etappe: Post
FFA – Feldflieger Abteilung: Field Flier Detachment, the initial flight formations of the German Army in 1914–15
FLA – Feldluftschiffer-Abteilung: Field Airship Detachment
FestFA – Festungsflieger-Abteilung: Fortress Flier Detachment
FA – Flieger-Abteilung: Flier Detachment
FA(A) – Flieger-Abteilung (Artillerie): Flier Detachment (Artillery)
FlgBtl – Flieger-Bataillon: Flier Battalion
FBS – Fliegerbeobachter-Schule: Aerial Observer School
FEA – Fliegerersatz-Abteilung: Replacement Detachment
FS – Fliegerschule: Flight School
JG – Jagdgeschwader: Fighter wing
Jasta – Jagdstaffel: Hunting group", i.e., Fighter Squadron
JastaSch – Jagdstaffel-Schule: Fighter Squadron School (also referred to as Jastaschule)
KEK – Kampfeinsitzerkommando: Combat Single-Seater Command, a predecessor to Jasta units
Kest – Kampfeinsitzerstaffel: Combat single-seater squadron, a predecessor to Jasta units
KG – Kampfgeschwader: tactical bomber wing
Kagohl – the "Kampfgeschwader der Oberste Heeresleitung", the tactical bomber wings under direct control by the German Army's High Command in World War I.
Kasta – Kampfstaffel: tactical bomber squadron
Luft – Luftschiff-Truppe: Airship force
LsBtl – Luftschiffer-Bataillon: Airship battalion
RBZ – Reihenbildzug: Aerial photography platoon
Rfa – Riesenflugzeug-Abteilung: Giant Aircraft Detachment
Schlasta – Schlachtstaffel: attack squadron
Schusta – Schutzstaffel: Protection squadron


Fokker D.VII used by the Luftstreitkräfte

During the war, the Imperial Army Air Service utilised a wide variety of aircraft, ranging from fighters (such as those manufactured by Albatros-Flugzeugwerke and Fokker), reconnaissance aircraft (Aviatik and DFW) and heavy bombers (Gothaer Waggonfabrik, better known simply as Gotha, and Zeppelin-Staaken) and airships of all types.

Aircraft designation system

During the First World War German aircraft officially adopted for military service were allocated a designation that included (1) the name of the manufacturer, (2) a function or "class" letter, and (3) a Roman numeral. The three-part designation was needed for a unique designation to simplify logistics support of the many types of aircraft in operation – especially as Luftstreitkräfte squadrons more often than not were equipped with several different types.

The designation system evolved during the war. Initially all military aircraft were classed as "A" (monoplane) or "B" (biplane). The new "C" class of armed (two seat) biplane began to replace the "B" class aircraft as reconnaissance machines in 1915, the B's continuing to be built, but as trainers. The "E" class of armed monoplane were also introduced in 1915 – the other classes being added later as new aircraft types were introduced. For most of the war 'D' was only used for biplane fighters, 'E' for monoplane fighters and 'Dr' for triplane fighters. By the end of the war however, the 'D' designation was used for all single-seat fighters, including monoplanes (and, in theory at least, triplanes).

A – Unarmed reconnaissance monoplane aircraft (for example the Rumpler Taube and Fokker M.5)
B – Unarmed two-seat biplane, with the observer seated in front of the pilot.
C – Armed two-seat biplane, with the observer (usually) seated to the rear of the pilot.
CL – Light two-seater, initially intended as escort fighters – by 1917–18, mainly used for ground attack.
DDoppeldecker – single-seat, armed biplane, but later any fighter – for instance the Fokker E.V monoplane was redesignated the D.VIII.
DrDreidecker – triplane fighter (prototype Fokker triplanes initially "F")
EEindecker – armed monoplane – initially included monoplane two-seaters. New monoplane types at the end of the war designated as "D" (single seat) or "CL" (two seat).
GGrosskampfflugzeug – Large twin-engined types, mainly bombers (initially "K")
GL – Lighter, faster twin-engined bombers, intended for use by day.
JSchlachten – Fuel tanks, pilot, and (usually) the engine protected by armour plate, reducing vulnerability to ground fire. Used for low-level work, especially ground attack.
N – "C" type aircraft adapted for night bombing – apart from night flying equipment they were fitted with wings of greater span to increase bomb load.
RRiesenflugzeug – "Giant" aircraft – at least three, up to four or five engines – all serviceable in flight.

Most manufacturers also had their own numbering systems quite separate from the official military designations for their products. These sometimes cause confusion – for instance the military "J" series of armored aircraft designs was quite distinct from the Junkers aviation firm's own "J" designations for their airframe designs, always numbered with Arabic numbers (as in the pioneering, all-metal Junkers J 1 demonstrator monoplane of 1915–16) for the designs of Hugo Junkers – the factory designation of the (military) Junkers J.I armored, all-metal sesquiplane was the Junkers J.4.[8] The "M" (for "Militär" or military) and "V" (for "Versuchs" or experimental) designations of the Fokker firm were also internal. The latter has no officially direct connection with the official Third Reich-era German "V" designation, also signifying "versuchs", for prototype aircraft promulgated by the RLM starting in 1935.

The Imperial German Navy's aviation service used manufacturers' designations rather than the systematic Luftstreitkräfte system described above. For example, the landplane Gotha bombers were numbered in an "LD" (for "land biplane") series by their manufacturer, but in the "G" series in the Luftstreitkräfte – while the Gotha seaplanes used by the navy were (and continue to be) known by their manufacturer's "WD" (for Wasserflugzeug-Doppeldecker, or "seaplane biplane") designation.

Army and Navy airships were individually numbered, in the same way as contemporary German destroyers and submarines, and were outside any system of "type" designation.


See List of World War I flying aces

The honored and respected Manfred von Richthofen, best known as "The Red Baron".

The fighters, however, received the most attention in the annals of military aviation, since it produced high-scoring "aces" such as Manfred von Richthofen, popularly known in English as "The Red Baron" (in Germany, he was known as "der Rote Kampfflieger" [Red Air Fighter]), Lothar von Richthofen, Ernst Udet, Hermann Göring, Oswald Boelcke, Werner Voss, and Max Immelmann (the first airman to win the Pour le Mérite, Imperial Germany's highest decoration for gallantry, as a result of which the decoration became popularly known as the "Blue Max"). Like the German Navy, the German Army also used Zeppelin airships for bombing military and civilian targets in France, Belgium and the United Kingdom.

The basic Balkenkreuz national insignia, adopted by German aviation units in early April 1918


Initially all German and Austro-Hungarian military aircraft in service used the Cross Pattée insignia. The Balkenkreuz, a black Greek cross on white, officially replaced the earlier marking from late March 1918 onwards (especially in early April — von Richthofen's own last Dr.I, 425/17, was changed over just before his air combat death), although the last order on the subject, fully standardising the new national marking, was dated June 25, 1918.


By the end of the war, the German Army Air Service possessed a total of 2,709 frontline aircraft, 56 airships, 186 balloon detachments and about 4,500 flying personnel.


Captured aircraft paraded in London, 1918

Casualties totalled 8,604 aircrew killed/missing/prisoner, 7,302 wounded, and 3,126 aircraft, 546 balloons and 26 airships. Some 5,425 Allied aircraft and 614 kite balloons were claimed destroyed.[9]

After the war ended in German defeat, the service was dissolved completely on 8 May 1920 under the conditions of the Treaty of Versailles, which demanded that its aeroplanes be completely destroyed.

See also


  1. Grey and Thetford, P.xxix
  2. Guttman, Jon (Summer 2009). "Verdun: The First Air Battle for the Fighter: Part I – Prelude and Opening" (PDF). The Great War Society. p. 9. Retrieved May 26, 2014. External link in |website= (help)<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  3. "Jagdgeschwader I". Retrieved 2014-06-01.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  4. "Jasta 11". Retrieved 2014-06-01.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  5. "Jagdgeschwader II". Retrieved 2014-06-01.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  6. "Jagdgeschwader III". Retrieved 2014-06-01.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  7. "Jagdgeschwader IV". Retrieved 2014-06-01.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  8. Gray and Thetford, p.154
  9. p.?, Clark


  • Clark, Alan (1973). Ace High: The War in the Air over the Western Front 1914–18. Putnam & Company. ISBN 978-0-399-11103-7.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  • Grey & Thetford (1962–70). German Aircraft of the First World War (2nd ed.). Putnam & Company.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

External links