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The Airco DH.4 is a British two-seat biplane day bomber of the First World War. It was designed by Geoffrey de Havilland (hence "DH") for Airco, and was the first British two-seat light day-bomber capable of defending itself. It was designed and developed specifically as a bomber, as well as aerial reconnaissance missions.
DH.3 Airco DH.3: Twin-engine long-range day bomber DH.4 Airco DH.4: August 1916 Two-seat biplane day bomber DH.5 Airco DH.5: October 1916 Single-seat biplane fighter DH.6 Airco DH.6: 1916 Biplane trainer DH.7 Not built Single-seat tractor fighter project with a Rolls-Royce Falcon engine, not built due to non-availability of engine [1] DH.8 Not ...
A Sikorsky Ilya Muromets S-23. A surviving Airco DH.4, with US Army Air Service markings.. During World War I, day bombing was the normal form of bomber operations.While the same aircraft often also carried out night raids, the rudimentary bomb sight technology of 1914–1918 often made bombing sorties impractical at night.
Airco DH.1 [1] Fighter / General purpose: January 1915: 1915 Airco DH.2 [2] Fighter: July 1915: 1915 Airco DH.4 [3] Light bomber / General purpose: August 1916: January 1917 Airco DH.5 [4] Fighter: August 1916: May 1917 Airco DH.6 [5] Trainer: 1916: 1917 Airco DH.9 [6] Bomber: July 1917: November 1917 Airco DH.9A [7] Light bomber/General ...
Airco DH.2 (1915) – Single-seat biplane fighter with single pusher propeller; Airco DH.3 (1916) – Twin-engine biplane bomber. Two prototypes only built; formed basis for later DH.10 design Airco DH.3A - Second prototype with a Beardmore engine. Airco DH.4 (1916) – Two-seat biplane day bomber with single tractor propeller Airco DH.4A Civil ...
The first DH.4-day bomber was delivered on 7 September 1918. As the American DH.4s and substituted Airco DH.9s became operational, they accompanied No. 217 and 218 squadron raids. The first daytime mission undertaken entirely by Northern Bombing Group aircraft was a 14 October raid by day wing squadron 9 dropping seventeen bombs with a total ...
First prototype Fawn with short fuselage and single tank. The Fairey Fawn was designed by F Duncanson of Fairey Aviation as a replacement for the Airco DH.9A in the light day-bomber role, to meet the requirements of Specification 5/21 for an aircraft for reconnaissance and army cooperation duties.
Airco DH.4, British World War I two-seat biplane de Lackner HZ-1 Aerocycle , also known as the YHO-2 and DH-4 Heli-Vector (1950s) Bombardier Dash 8 Q400, turboprop passenger airliner (since 1996, called DH4 by various airlines)