I-21

prototype fighter aircraft family
Place aircraft_family Q615346
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I-21

Summary

I-21 is an aircraft family[1]. I-21 draws 20 Wikipedia views per month (aircraft_family category, ranking #709 of 1,568).[2]

Key Facts

  • I-21 is in the country of Soviet Union[3].
  • I-21's instance of is recorded as aircraft family[4].
  • I-21's subclass of is recorded as first-generation jet fighter[5].
  • I-21's subclass of is recorded as single-seat fighter[6].
  • I-21's designed by is recorded as Semyon Alekseyev[7].
  • I-21's has use is recorded as prototype[8].
  • I-21's country of origin is recorded as Soviet Union[9].
  • I-21's powered by is recorded as Tumansky RD-20[10].
  • I-21's powered by is recorded as Lyulka TR-1[11].
  • I-21's powered by is recorded as Klimov RD-500[12].
  • I-21's first flight is recorded as +1947-00-00T00:00:00Z[13].
  • I-21's Freebase ID is recorded as /m/05znpmd[14].
  • I-21's BabelNet ID is recorded as 01582744n[15].
  • I-21's KBpedia ID is recorded as AlekseyevI-21[16].

Body

Geography

I-21 is in the country of Soviet Union[3].

Designation and Status

I-21's instance of is recorded as aircraft family[4].

Why It Matters

I-21 draws 20 Wikipedia views per month (aircraft_family category, ranking #709 of 1,568).[2]

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). I-21. Retrieved May 3, 2026, from https://4ort.xyz/entity/i-21-q615346
MLA “I-21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/i-21-q615346.
BibTeX @misc{4ortxyz_i-21-q615346_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{I-21}}, year = {2026}, url = {https://4ort.xyz/entity/i-21-q615346}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): I-21 — https://4ort.xyz/entity/i-21-q615346 (retrieved 2026-05-03)

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