Curtiss A-12 Shrike
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The Curtiss A-12 Shrike was the
United States Army Air Corps The United States Army Air Corps (USAAC) was the aerial warfare service component of the United States Army between 1926 and 1941. After World War I, as early aviation became an increasingly important part of modern warfare, a philosophical r ...
' second
monoplane A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing confi ...
ground-attack aircraft An attack aircraft, strike aircraft, or attack bomber is a tactical military aircraft that has a primary role of carrying out airstrikes with greater precision than bombers, and is prepared to encounter strong low-level air defenses while pres ...
, and its main attack aircraft through most of the 1930s. It was based on the
A-8 A8, A08, A 8 or A-8 may refer to: Electronics * ARM Cortex-A8, a processor used in mobile devices * Apple A8, a 64-bit system on a chip (SoC) designed by Apple Inc. *AMD A8, an AMD Accelerated Processing Unit * Samsung Galaxy A8, various smartpho ...
, but had a
radial engine The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel. It resembles a stylized star when viewed from the front, and is ca ...
instead of the A-8's inline,
water-cooled Cooling tower and water discharge of a nuclear power plant Water cooling is a method of heat removal from components and industrial equipment. Evaporative cooling using water is often more efficient than air cooling. Water is inexpensive and non ...
engine, as well as other changes.


Design and development

The Model 60 was developed from advancements of the
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and the experimental YA-10. However, it became obsolete after a short use period, mainly because of fast-improving aviation
technology Technology is the application of knowledge to reach practical goals in a specifiable and reproducible way. The word ''technology'' may also mean the product of such an endeavor. The use of technology is widely prevalent in medicine, science, ...
, as well as the USAAC's desire for multi-engined attack aircraft. The most obvious difference between the A-12 and the A-8 is the air-cooled, radial engine in the A-12, which replaced the A-8's inline, water-cooled engine. This was a response to the USAAC's move toward a preference for radial engines, especially in attack aircraft. The rationale behind this preference is that the radial engine has a lower profile, making it less vulnerable to ground fire, and a simpler cooling mechanism, which is also less prone to groundfire, as well as overall maintenance problems. These aircraft retained the open
cockpit A cockpit or flight deck is the area, usually near the front of an aircraft or spacecraft, from which a Pilot in command, pilot controls the aircraft. The cockpit of an aircraft contains flight instruments on an instrument panel, and the ...
introduced in the
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production batch, and carried the same weapons load. In an attempt to improve pilot/observer co-operation, the rear cockpit was moved forward sufficiently for its glazed covering to form a continuation of the fuselage decking behind the pilot's cockpit.Swanborough, F. G. and Peter M. Bowers. ''United States Military Aircraft Since 1909.'' New York: Putnam, 1964. . Nine
USAAF The United States Army Air Forces (USAAF or AAF) was the major land-based aerial warfare service component of the United States Army and ''de facto'' aerial warfare service branch of the United States during and immediately after World War II ...
A-12s were still in service at
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on 7 December 1941, but they saw no combat.Eden and Moeng 2002, p. 514. Serial numbers: 33-212/257


Operational history

A-12s served with the
3rd Attack Group Third or 3rd may refer to: Numbers * 3rd, the ordinal form of the cardinal number 3 * , a fraction of one third * 1⁄60 of a ''second'', or 1⁄3600 of a ''minute'' Places * 3rd Street (disambiguation) * Third Avenue (disambiguation) * Hig ...
plus the
8th 8 (eight) is the natural number following 7 and preceding 9. In mathematics 8 is: * a composite number, its proper divisors being , , and . It is twice 4 or four times 2. * a power of two, being 2 (two cubed), and is the first number of t ...
and
18th Pursuit Group 18 (eighteen) is the natural number following 17 and preceding 19. In mathematics * Eighteen is a composite number, its divisors being 1, 2, 3, 6 and 9. Three of these divisors (3, 6 and 9) add up to 18, hence 18 is a semiperfect number. ...
s. Surviving Shrikes were grounded just after
Pearl Harbor Pearl Harbor is an American lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. It was often visited by the Naval fleet of the United States, before it was acquired from the Hawaiian Kingdom by the U.S. with the signing of the Re ...
was bombed in December 1941.Fitzsimons 1969, p. 2324. On 15 August 1937, during the start of the Sino-Japanese War/World War II in the
Battle of Shanghai The Battle of Shanghai () was the first of the twenty-two major engagements fought between the National Revolutionary Army (NRA) of the Republic of China (ROC) and the Imperial Japanese Army (IJA) of the Empire of Japan at the beginning of th ...
, the
Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender ...
launched 45 planes from the
fleet aircraft carrier A fleet carrier is an aircraft carrier designed to operate with the main fleet of a nation's navy. The term was developed during World War II, to distinguish it from the escort carrier and other less capable types. In addition to many medium-siz ...
'' Kaga'' targeting
Chinese Air Force The People's Liberation Army Air Force (PLAAF; ), also known as the Chinese Air Force (中国空军) or the People's Air Force (人民空军), is an Air force, aerial service branch of the People's Liberation Army, the regular army, regular ...
assets in the province of
Jiangsu Jiangsu (; ; pinyin: Jiāngsū, Postal romanization, alternatively romanized as Kiangsu or Chiangsu) is an Eastern China, eastern coastal Provinces of the People's Republic of China, province of the China, People's Republic of China. It is o ...
surrounding Shanghai; thirteen Aichi D1A1 dive-bombers were unable to find their intended target in
Suzhou Suzhou (; ; Suzhounese: ''sou¹ tseu¹'' , Mandarin: ), alternately romanized as Soochow, is a major city in southern Jiangsu province, East China. Suzhou is the largest city in Jiangsu, and a major economic center and focal point of trade ...
and so diverted to Jianqiao Airbase instead, but stumbled upon A-12 Shrikes of the 26th and 27th Squadrons of the 9th Attack Group at the Chao'er auxiliary airbase preparing for strikes against Japanese positions in Shanghai, and a dogfight ensued between two unlikely dogfighting opponents: two D1A1s were shot down by the Chinese A-12s, and another badly shot-up D1A1 returned to ''Kaga'' with a fatally wounded crewman.Cheung, 2015, p. 15.


Operators

; *
Chinese Nationalist Air Force Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of va ...
received 20 A-12 Shrikes in 1936, arming the 27th and the 28th Squadron of the 9th Group. When full-scale war broke out between Japan and China, they were used. The initial success including the downing of four Japanese
Aichi D1A The Aichi D1A or Navy Type 94/96 Carrier Bomber ( Allied reporting name "Susie") was a Japanese carrier-based dive bomber of the 1930s. A single-engine, two-seat biplane based on the Heinkel He 50, the D1A was produced by Aichi for the Imperia ...
1
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-based
dive bomber A dive bomber is a bomber aircraft that dives directly at its targets in order to provide greater accuracy for the bomb it drops. Diving towards the target simplifies the bomb's trajectory and allows the pilot to keep visual contact througho ...
s on 15 August 1937. However, after deploying in ground support missions in
Shanxi Shanxi (; ; formerly romanised as Shansi) is a landlocked province of the People's Republic of China and is part of the North China region. The capital and largest city of the province is Taiyuan, while its next most populated prefecture-lev ...
, most did not survive and the few left were reassigned to training duties."Curtiss A-12."
National Museum of the United States Air Force. Retrieved: 7 July 2017.
; *
United States Army Air Corps The United States Army Air Corps (USAAC) was the aerial warfare service component of the United States Army between 1926 and 1941. After World War I, as early aviation became an increasingly important part of modern warfare, a philosophical r ...


Specifications (A-12 Shrike)


See also


References

;Notes ;Bibliography *Eden, Paul and Soph Moeng, eds. ''The Complete Encyclopedia of World Aircraft''. London: Amber Books Ltd., 2002, . *Fitzsimons, Bernard, ed. ''The Illustrated Encyclopedia of the 20th Century Weapons and Warfare, Vol. 21''. London: Purnell & Sons Ltd., 1969, First edition 1967. . *Andrade, John M. . ''U.S Military Aircraft Designations and Serials since 1909''. Leicester: Midland Counties Publications, 1979. . *Swanborough, F. G. and Peter M. Bowers. ''United States Military aircraft since 1909''. London: Putnam, 1963, 1971, 1989. . *Bowers, Peter M. . ''Curtiss Aircraft 1907-1947''. London: Putnam, 1979, 1987. . * Cheung, Raymond. ''OSPREY AIRCRAFT OF THE ACES 126: Aces of the Republic of China Air Force''. Oxford: Bloomsbury Publishing Plc, 2015. .


External links

*USAF Museum:
Attack Aircraft Development in the 1930s

Curtiss A-12"Flying Fort Bristles With Guns And Bombs", ''Popular Mechanics,'' March 1934, 1930s era article on A-12 with a lot of misconceptions
{{DEFAULTSORT:Curtiss A-12 Low-wing aircraft Single-engined tractor aircraft A-12, Curtiss World War II ground attack aircraft of the United States
A-12 Shrike The Curtiss A-12 Shrike was the United States Army Air Corps' second monoplane ground-attack aircraft, and its main attack aircraft through most of the 1930s. It was based on the A-8, but had a radial engine instead of the A-8's inline, water ...
Aircraft first flown in 1933