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The predecessor of the infamous Mitsubishi A6M ''Zero'', the '''Mitsubishi A5M''' (''Type 96 Carrier-based fighter,'' Allied reporting name "Claude") was the world's first ship-based monoplane fighter.

The predecessor of the infamous Mitsubishi A6M ''Zero'', the '''Mitsubishi A5M''' (''Type 96 Carrier-based fighter,'' Allied reporting name "Claude") was the world's first ship-based monoplane fighter.

Developed by a team led by Jiro Horikoshi (who would go on to head development of the [[Type 21 Zero Fighter|A6M]] and [[Reppuu (Strong Gale)|A7M]]) to the 1934 ''9-shi'' specification for an advanced fighter plane, the Mitsubishi ''Ka-14'' competed with Nakajima's prototype. The first prototype which flew in February 1935, was an all-metal-airframe low-wing fighter using an inverted gull wing and fixed undercarriage powered by Nakajima's 600hp ''Kotobuki 5'' engine.  

Developed by a team led by Jiro Horikoshi (who would go on to head development of the [[Type 21 Zero Fighter|A6M]] and [[Reppuu (Strong Gale)|A7M]]) to the 1934 ''9-shi'' specification for an advanced fighter plane, the Mitsubishi ''Ka-14'' competed with Nakajima's prototype. The first prototype which flew in February 1935, was an all-metal-airframe low-wing fighter using an inverted gull wing and fixed undercarriage powered by Nakajima's 600 hp ''Kotobuki 5'' engine.  

Requirements of the ''Type 9'' specification were a top speed of 350km/h at 3,000m with the capability of climbing to 5,000m in 6.5 minutes, and the Ka-14's performance greatly surpassed all requirements, with a maximum speed of 450km/h while being quite maneuverable. An aerodynamically revised design with conventional wings was ordered into production as the Mitsubishi ''A5M''.

Requirements of the ''Type 9'' specification were a top speed of 350 km/h at 3,000 m with the capability of climbing to 5,000 m in 6.5 min, and the Ka-14's performance greatly surpassed all requirements, with a maximum speed of 450 km/h while being quite maneuverable. An aerodynamically revised design with conventional wings was ordered into production as the Mitsubishi ''A5M''.

It was introduced in 1936 and entered service in early 1937 as the A5M1 armed with twin 7.7mm machine guns, soon facing combat at the start of the second Sino-Japanese war. Contempoary opponents such as the Boeing P-26C ("Peashooters") and the Curtiss Hawk Ⅲ, were poorly matched against the A5M, which proved effective and resistant to damage. A5Ms also served as escorts for the Mitsubishi G3M bombers.

It was introduced in 1936 and entered service in early 1937 as the A5M1 armed with twin 7.7 mm machine guns, soon facing combat at the start of the second Sino-Japanese war. Contempoary opponents such as the Boeing P-26C ("Peashooters") and the Curtiss Hawk Ⅲ, were poorly matched against the A5M, which proved effective and resistant to damage. A5Ms also served as escorts for the Mitsubishi G3M bombers.

Mitsubishi's development team continued to improve the A5M up to the final A5M4, with improvements such as a more powerful engine, additional drop-fuel-tank and closed cockpits. Altogether 1,083 A5Ms were manufactured by Mitsubishi, Watanabe and Naval Ohmura Arsenal, including 103 two-seat trainers.  

Mitsubishi's development team continued to improve the A5M up to the final A5M4, with improvements such as a more powerful engine, additional drop-fuel-tank, and closed cockpits. Altogether 1,083 A5Ms were manufactured by Mitsubishi, Watanabe, and Naval Ohmura Arsenal, including 103 two-seat trainers.  

The A5M series continued in service after 1941, but had been replaced by the A6M as the standard fighter of first-line carriers. The last battle of the A5Ms as fighters was the Battle of the Coral Sea in May 1942. As World War II came to a close, most remaining A5Ms were repurposed as kamikaze aircraft.

The A5M series continued in service after 1941, but had been replaced by the A6M as the standard fighter of first-line carriers. The last battle of the A5Ms as fighters was the Battle of the Coral Sea in May 1942. As World War II came to a close, most remaining A5Ms were repurposed as kamikaze aircraft.

==See Also==

==See Also==

[[wikipedia:Mitsubishi A5M|Mitsubishi A5M]]

[[wikipedia:Mitsubishi A5M|Mitsubishi A5M]]