Mitsubishi A5M
| A5M | |
|---|---|
 |
|
| An A5M2b with arrestor hook and drop tank | |
| Role | Carrier-based fighter |
| Manufacturer | Mitsubishi Heavy Industries, Ltd |
| Designer | Jiro Horikoshi |
| First flight | 4 February 1935 |
| Introduction | 1936 |
| Retired | 1945 |
| Primary user | Imperial Japanese Navy Air Service |
| Number built | 1,094 |
| Variants | |
The Mitsubishi A5M, formal Japanese Navy designation Mitsubishi Navy Type 96 Carrier-based Fighter (九六式艦上戦闘機), experimental Navy designation Mitsubishi Navy Experimental 9-Shi Carrier Fighter, company designation Mitsubishi Ka-14, was a Japanese carrier-based fighter aircraft. It was the world's first monoplane shipboard fighter to enter service and the direct predecessor of the famous Mitsubishi A6M "Zero". The Allied reporting name was Claude.
In 1934, the Imperial Japanese Navy prepared a specification for an advanced fighter, requiring a maximum speed of 350 km/h (220 mph) at 3,000 m (9,840 ft) and able to climb to 5,000 m (16,400 ft) in 6.5 minutes. This 9-shi (1934) specification produced designs from both Mitsubishi and Nakajima.
Mitsubishi assigned the task of designing the new fighter to a team led by Jiro Horikoshi (original creator of the similar but unsuccessful Mitsubishi 1MF10, and later responsible for the famous A6M Zero). The resulting design, designated Ka-14 by Mitsubishi, was an all-metal low-wing fighter, with a thin elliptical inverted gull wing and a fixed undercarriage, which was chosen as the increase in performance (estimated as 10% in drag, but only a mere 3% increase in maximum speed) arising from use of a retractable undercarriage was not felt to justify the extra weight. The first prototype, powered by a 447 kW (600 hp) Nakajima Kotobuki 5 radial engine, flew on 4 February 1935. The aircraft far exceeded the requirements of the specification, with a maximum speed of 450 km/h (279 mph) being reached. The second prototype was fitted with a revised, ungulled wing, and after various changes to maximize maneuverability and reduce drag, was ordered into production as the A5M.
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