page_title: Hellenic Air Force Aircraft Depot
section_title: History
hierarchical_section_title: Hellenic Air Force Aircraft Depot / History
caption_attribution_description: English: An image of the KEA Chelidon multi-role military aircraft Ελληνικά: Φωτογραφία του ΚΕΑ Χελιδών στρατιωτικού αεροσκάφους πολλαπλών ρόλων
context_page_description: The State Aircraft Factory of Greece, offical name Hellenic Air Force Aircraft Depot, usually known through the acronym KEA, originally founded as EAF, is the oldest and most historic Greek aircraft manufacturer. It is a military unit subordinate to the Hellenic Air Force Support Command and since 2012 it is located at Elefsis Air Base.
context_section_description: The decision to establish an aircraft manufacturing company was taken in 1917, but the wars that followed delayed its foundation until 1925. It was based in Phaliron near Piraeus (the same area where the AEKKEA-RAAB aircraft maker was later headquartered) and technology and initial management were provided by British Blackburn Aircraft Limited, a company selected as a partner by the Greek military. The first type produced by the factory was the T3 Velos, designed by the British company.
  In 1927 an all-Greek EAF design was introduced (although according to other sources, a British engineer was a part of the design team), the Chelidon (Swallow) multi-purpose military aircraft. It used a Salmson 120 hp engine and had a maximum speed of 150 km/h. However, only one was built for the Greek Navy, as it was considered inferior to alternative types. Later, the factory produced a series of aircraft types under license, including numbers of Avro 504 aircraft (504N and 504O models), a version of the Armstrong Whitworth Atlas (featuring certain modifications from the original Armstrong-Whitworth model) and the Avro 621 Tutor. At least 61 Tutors were produced, with a rate of seven per month in early 1940, as part of Greece's preparations after the outbreak of World War II.
  The company had been fully nationalized since January 1938, when the name KEA was officially used. Preparations for the production of the PZL P.24, the main fighter used by the Greek Air Force at the time, as well as the Henschel Hs 126K-6 light bomber (for which an order of 90 units had been made to KEA) were never completed due to the outbreak of the Greco-Italian War in October 1940. Thus, the only KEA-produced type that saw action in World War II was the 621 Tutor (in addition to training, a number was incorporated in combat squadrons as liaison aircraft). Production also covered other areas, including bombs, and specialized parts and tools. During Greece's occupation by the Axis powers the KEA facilities were used by the German Luftwaffe for technical support, while airport infrastructure, where some of its facilities were located, became targets of Allied bombing.
  After the wa, KEA divisions produced a number of gliders but it eventually focused on maintenance work for the Greek Air Force with only limited construction activity - which went to the Hellenic Aerospace Industry (HAI) when the latter was founded. Nonetheless, KEA has produced since the 1990s a number of Pegasus UAVs, developed by HAI and a Greek State Research Institute.
  The historic company survives until today and is under direct Greek military command.
caption: KEA Chelidon, the first plane produced by KEA
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