Heinkel HD 21

type of aircraft
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Heinkel HD 21

Summary

Heinkel HD 21 is an aircraft model[1]. It draws 6 Wikipedia views per month (aircraft_model category, ranking #406 of 2,369).[2]

Key Facts

  • Heinkel HD 21's instance of is recorded as aircraft model[3].
  • Heinkel HD 21's operator is recorded as Deutsche Verkehrsfliegerschule[4].
  • Heinkel HD 21's operator is recorded as Lipetsk fighter-pilot school[5].
  • Heinkel HD 21's operator is recorded as Albatros[6].
  • Heinkel HD 21's operator is recorded as International Red Cross and Red Crescent Movement[7].
  • Heinkel HD 21's manufacturer is recorded as Heinkel[8].
  • Heinkel HD 21's manufacturer is recorded as Arado Flugzeugwerke[9].
  • Heinkel HD 21's developer is recorded as Heinkel[10].
  • Heinkel HD 21's subclass of is recorded as trainer[11].
  • Heinkel HD 21's designed by is recorded as Ernst Heinkel[12].
  • Heinkel HD 21's country of origin is recorded as German Reich[13].
  • Heinkel HD 21's first flight is recorded as +1924-00-00T00:00:00Z[14].
  • Heinkel HD 21's Freebase ID is recorded as /m/0416f9h[15].
  • Heinkel HD 21's total produced is recorded as {'amount': '+18'}[16].

Body

Designation and Status

Heinkel HD 21's instance of is recorded as aircraft model[3].

Why It Matters

Heinkel HD 21 draws 6 Wikipedia views per month (aircraft_model category, ranking #406 of 2,369).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[17]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] . Wikidata sitelinks. wikidata.org.

📑 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). Heinkel HD 21. Retrieved May 3, 2026, from https://4ort.xyz/entity/heinkel-hd-21
MLA “Heinkel HD 21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/heinkel-hd-21.
BibTeX @misc{4ortxyz_heinkel-hd-21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Heinkel HD 21}}, year = {2026}, url = {https://4ort.xyz/entity/heinkel-hd-21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Heinkel HD 21 — https://4ort.xyz/entity/heinkel-hd-21 (retrieved 2026-05-03)

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