I-21

The Alekseyev I-21 was a Soviet twin-engined jet fighter, built in the late 1940s. Two prototypes were constructed with the designation of I-211, of which one was converted into the I-215 with more powerful engines. A third aircraft was built to evaluate the bicycle landing gear arrangement for use in other aircraft. The fighter was not accepted for production as it was inferior to the swept-wing fighters like the Mikoyan-Gurevich MiG-15.

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Wikidata
Alekseyev I-21; I-210; I-216; I21
first-generation jet fighter, single-seat fighter, Soviet Union, 
Albatros D, Ambrosini SS.4, Aquilon 201, Avions Fairey Firefly, Avro Canada CF-100 Canuck, Boeing 248, Consolidated P-30, Consolidated Vultee XP-81, CR.20, Firefly II, Grumman F11F Super Tiger, 2, 4, 5, LFG Roland D, MB-3, PW-9B, Shenyang J-5, XP-12G, XP-12H, XP-12L, YP-12K, 

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Location: KML, Cluster Map, Maps,

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  I-212 ⓘ
  1948 fighter prototype by Alekseyev

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  I-214 ⓘ
  proposed fighter aircraft model by Alekseyev

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  I-215 ⓘ
  1947 fighter prototype by Alekseyev

Frameless

Type	Subtype	Date	Description	Notes	Source
class	aircraft		I-212	I-21	Wikidata
class	aircraft		I-214	I-21	Wikidata
class	aircraft		I-215	I-21	Wikidata