page_title: Gloster Gladiator
section_title: Introduction to service
hierarchical_section_title: Gloster Gladiator / Operational history / Introduction to service
caption_attribution_description: Gloster Gladiator 423 of the Norwegian Army Air Service
context_page_description: The Gloster Gladiator was a British-built biplane fighter. It was used by the Royal Air Force and the Fleet Air Arm and was exported to a number of other air forces during the late 1930s.
  Developed privately as the Gloster SS.37, it was the RAF's last biplane fighter aircraft and was rendered obsolete by newer monoplane designs even as it was being introduced. Though often pitted against more formidable foes during the early days of the Second World War, it acquitted itself reasonably well in combat.
  The Gladiator saw action in almost all theatres during the Second World War, with a large number of air forces, some of them on the Axis side. The RAF used it in France, Norway, Greece, the defence of Malta, the Middle East, and the brief Anglo-Iraqi War. Other countries deploying the Gladiator included China against Japan, beginning in 1938; Finland against the Soviet Union in the Winter War and the Continuation War; Sweden as a neutral non-combatant; and Norway, Belgium, and Greece resisting Axis invasion of their respective lands.
  The South African pilot Marmaduke "Pat" Pattle was the top Gladiator ace with 15 victories with the type.
context_section_description: In February 1937, No. 72 Squadron, based at Tangmere, became the first squadron to be equipped with the Gladiator; No. 72 operated the type until April 1939, longer than any other home-based frontline unit. Between March and April 1937, No. 3 Squadron at Kenley also received Gladiators from the remainder of the first production batch, replacing their obsolete Bristol Bulldogs. Initial service with the type proved the Vickers guns to be problematical; the Gladiator was quickly armed with .303 in (7.7 mm) Browning machine guns, which were substantially more popular, leading to the other guns often only being resorted to if deemed necessary. On 27 March 1937, No. 54 Squadron at Hornchurch became the first unit to receive Browning-armed Gladiators.
  By September 1937, all eight Gladiator squadrons had achieved operational status and had formed the spearhead of London's air defences. Difficulties with introducing the type had been experienced. Although the Gladiator was typically well liked by pilots, the accident rate during operational training on the type was so high that a small replacement batch of 28 Gladiator Mk IIs was hurriedly produced. Most accidents were caused by pilots being caught out by the fighter's increased wing loading, and many aviators had little experience in landing aircraft with such a wide flap area. The aircraft had a tendency to stall more abruptly, frequently dropping a wing while doing so. The Gladiator very easily entered a flat spin, and great skill was needed to recover.
  During 1938, the RAF had begun to receive its first deliveries of the Hurricane and Spitfire monoplanes; an emphasis was soon placed on quickly re-equipping half of the Gladiator squadrons with either of these monoplane types. By the outbreak of the Second World War, the Gladiator had largely been replaced by the Hurricane and Spitfire in front-line RAF service. The introduction of these aircraft had been eased by the presence of the Gladiator, squadrons that had operated Gladiators prior to converting to the monoplane types experienced a noticeably improved accident record than those who converted from older types such as the Gauntlet. Experiences such as operating the Gladiator's landing flaps and familiarisation with its sliding hood have been attributed to having favourably impacted pilot conversion.
  Although, by 1941, all Gladiators had been withdrawn from front-line duties defending the British Isles, a need to defend Britain's trade routes throughout the overseas territories of the British Empire had been recognised and therefore the RAF redeployed many of its Gladiators to the Middle East to defend the theatre and the crucial Suez Canal. The Gladiator saw considerable action during early stages of the war, including participating in the action in the French and Norwegian campaigns, in addition to various peripheral campaigns.
caption: NoAAS Gloster Gladiator 423 in 1938–1940
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