AEG J.I

AEG J.I

Role	Armoured ground attack aircraft
National origin	Germany
Manufacturer	AEG^[1]
Primary user	Luftstreitkräfte^[1]
Produced	1917–1918^[1]
Number built	609^[1]
Developed from	AEG C.IV^[1]

The AEG J.I was a German biplane ground attack aircraft of 1917, an armored and more powerful version of the AEG C.IV reconnaissance aircraft.^[1]

Design and development

AEG J.I featured armour protection for the pilot and for the more powerful engine that was fitted to the heavier aircraft. Two 7.92 mm (.312 in) LMG 08/15 machine guns were fitted to the floor of the observer's cockpit for ground targets. One 7.92 mm (.312 in) Parabellum MG14 machine gun was provided in the typical rear-facing defensive position. Finally, armour plating was added around the engine and cockpits.^[1]

Aircraft fitted with ailerons on the lower wing as well as the upper wing were designated AEG J.Ia.^[1]

An improved version of the J.I was developed as the AEG J.II, which had aerodynamically balanced ailerons with overhanging horn balances, extended rear fuselage with a larger fin to improve directional stability and a re-located aileron link strut.^[1]

After the war, several J.IIs served the first sustained daily passenger aeroplane service in the world, between Berlin and Weimar, flown by Deutsche Luft-Reederei. This route began on 5 February 1919. Early commercial J.II's retained open cockpits, but modified versions with enclosed cabins for the two passengers quickly replaced them.^[2]

Variants

AEG J.I rear

AEG J.I: An armoured version of the AEG C.IV fitted with downward pointing machine guns in the floor of the rear cockpit for ground strafing and a defensive hand-aimed machine-gun in the observers cockpit.^[1]
AEG J.Ia: The J.Ia version featured aileron controls on the lower wings, in addition to the upper.^[1]
AEG J.II: Structurally similar to the J.I the J.II introduced ailerons aerodynamically balanced by large horn extensions at the wing-tips, increased fin area to improve directional stability and a re-located aileron link strut.^[1]

Operators

German Empire

Specifications (AEG J.I)

Data from German Aircraft of the First World War^[1]

General characteristics

Crew: 2
Length: 7.2 m (23 ft 7 in)
Wingspan: 13.46 m (44 ft 2 in)
Height: 3.35 m (11 ft 0 in)
Wing area: 33.18 m² (357.1 sq ft)
Empty weight: 1,455 kg (3,208 lb)
Powerplant: 1 × Benz Bz IV 6-cyl. water-cooled in-line piston engine, 149 kW (200 hp)

Performance

Maximum speed: 150 km/h (93 mph; 81 kn)
Range: 375 km (233 mi; 202 nmi)
Endurance: 2.5hr
Service ceiling: 4,500 m (14,764 ft)
Rate of climb: 2.78 m/s (547 ft/min)
Time to altitude: 1,000m in 6min

Armament

Guns: * up to 6 × 7.92 mm (.312 in) fixed, downwards-firing LMG 08/15 machine guns (standard fit of 2)
1 × 7.92 mm (.312 in) Parabellum MG14 in rear cockpit

References

Wikimedia Commons has media related to AEG J.I.

1 2 3 4 5 6 7 8 9 10 11 12 13 Gray, Peter; Owen Thetford (1970). German Aircraft of the First World War (2nd ed.). London: Putnam. ISBN 0-370-00103-6.
↑ Michael J.H. Taylor, ed. (1989). Jane's Encyclopedia of Aviation (2nd ed.). New York: Portland House. ISBN 0-517-69186-8.

Aircraft produced by AEG

Company designations:	Z.1 Z.2 Z.3 Z.6 Z.9

Idflieg designations:	B.I B.II B.III C.I C.II C.III C.IV C.V C.VI C.VII C.VIII D.I D.II D.III DJ.I Dr.I/F.1 G.I G.II G.III G.IV G.V J.I J.II N.I R.I

Other:	AEG helicopter PE Wagner Eule

Idflieg J-class aircraft designations

AEG J.I J.II Albatros J.I J.II J.III Junkers J.I

World War I aircraft of the Central Powers

Fighters	AEG D.I AEG Dr.I Albatros D.I Albatros D.II Albatros D.III Albatros D.V Aviatik D.I Aviatik C.VI Daimler L.6 Euler D.I Euler D.II Fokker D.I Fokker D.II Fokker D.III Fokker D.IV Fokker D.V Fokker D.VI Fokker D.VII Fokker D.VIII Fokker Dr.I Fokker E.I Fokker E.II Fokker E.III Fokker E.IV Fokker E.V Halberstadt D.II Hannover CL.II Hannover CL.III Hannover CL.IV Hannover CL.V Hansa-Brandenburg W.12 Hansa-Brandenburg W.29 Junkers D.I Kondor D.6 Kondor E.III Naglo D.II Pfalz D.III Pfalz D.XII Pfalz Dr.I Pfalz E.I Pfalz E.II Phönix D.I LFG Roland D.II LFG Roland D.VI Siemens-Schuckert D.I Siemens-Schuckert D.II Siemens-Schuckert D.III Siemens-Schuckert D.IV Siemens-Schuckert L.I Zeppelin-Lindau D.I

Bombers and ground attack	AEG DJ.I AEG G.I AEG G.II AEG G.III AEG G.IV AEG G.V AEG J.I AEG J.II AEG R.I Friedrichshafen G.II Friedrichshafen G.III Gotha G.I Gotha G.II Gotha G.III Gotha G.IV Gotha G.V Gotha GL.VII Gotha G.IX Hannover CL.II Junkers CL.I Junkers J.I Rumpler G.I Rumpler G.II Rumpler G.III Zeppelin-Lindau Rs.II Zeppelin-Lindau Rs.III Zeppelin-Lindau Rs.IV Zeppelin-Staaken R.VI

Reconnaissance	AEG B.I AEG B.II AEG B.III AEG C.I AEG C.II AEG C.III AEG C.IV AEG C.V AEG C.VI AEG C.VII AEG C.VIII AGO C.I AGO C.II AGO C.III AGO C.IV AGO C.VII AGO C.VIII Albatros B.I Albatros B.II Albatros C.I Albatros C.III Albatros C.V Albatros C.VII Albatros C.IX Albatros C.X Albatros C.XII Aviatik B.I Aviatik B.II Aviatik C.I Aviatik C.VI DFW C.V LFG Roland C.II LVG B.I LVG C.II Rumpler C.I Rumpler C.IV Rumpler Taube

Trainers	Euler D.I

Prototypes	Albatros C.II Fokker V.1 Fokker V.2 Junkers J 1 Junkers J 2 Zeppelin-Lindau Rs.I

Aviation in World War I

People and aircraft	Commanders Aces Aircraft of the Entente Powers Aircraft of the Central Powers Zeppelins

Campaigns and battles	Strategic bombing German Cuxhaven Bombing of cities Aerial reconnaissance Fokker Scourge Flight over Vienna Bloody April Battles

Entente Powers air services	British air services Royal Flying Corps Royal Naval Air Service Royal Air Force Australian Flying Corps Canadian Air Force (1918–20) French Air Service Imperial Russian Air Service Royal Italian Air Corps United States Army Air Service Greek air services Army Air Service Naval Air Service

Central Powers air services	Imperial German Air Service Austro-Hungarian Imperial and Royal Aviation Troops Ottoman Aviation Squadrons Bulgarian Army Aeroplane Section

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