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Lockheed D-21

1962 American Mach 3+ reconnaissance drone
Class type of: unmanned surveillance and reconnaissance aerial vehicle, supersonic aircraft, jet-powered unmanned aerial vehicle Q2454458
Lockheed D-21
U.S. Air Force · Public Domain · Wikimedia

Facts

23 properties

Identity

Instance of
aircraft model

Population and size

Height
+2.235
Length
+13.061
More facts +20
Subclass of
unmanned surveillance and reconnaissance aerial vehicle, supersonic aircraft, jet-powered unmanned aerial vehicle[7][8][9]
Country of origin
United States[10]
Developer
Kelly Johnson[5]
First flight
December 22, 1964, March 5, 1966[12][13]
Made from material
titanium[6]
Manufacturer
Lockheed Corporation[4]
Mass
+4685.6, +2326.9
Maximum operating altitude
+28956
Military designation
D-21[21]
Operator
United States Air Force, Central Intelligence Agency[2][3]
Powered by
Marquardt RJ43[11]
Service entry
November 9, 1969[14]
Service retirement
July 15, 1971[15]
Significant event
development, construction contract, maiden flight, service entry, project cancellation[16][17][18][19][20]
Speed
+3.35
Total produced
+38[22]
Vehicle range
+5556
Wing area
+36.09
Wing configuration
delta wing, mid wing[23][24]
Wingspan
+5.814
🏷️ Also known as
en Lockheed Q-12 en D-21 en Q-12 en Lockheed D-21 ar لوكهيد دي-٢١ ar لوكهيد دي-21 de D-21 es Lockheed D-21 M-21 es Lockheed M 21 es Lockheed M-21 es Lockheed D-21/M-21 es Lockheed D 21 es Lockheed D-21 es Lockheed D 21 M 21 es Lockheed D 21 M-21 es Lockheed D 21/M 21 es Lockheed D 21/M-21 fa لاکهید دی-۲۱ fr D-21 fr D21
🔖 Identifiers · 2
Freebase ID
/m/03blhc
KBpedia ID
LockheedD-21

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Significant event 3
maiden flight, development, construction contract
Operator 2
Central Intelligence Agency, United States Air Force
Subclass of 2
supersonic aircraft, unmanned surveillance and reconnaissance aerial vehicle
Country of origin 1
United States
Developer 1
Kelly Johnson
Made from material 1
titanium
Manufacturer 1
Lockheed Corporation
Wing configuration 1
delta wing
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Summary

Lockheed D-21 is an aircraft model[1].

Body

Physical Characteristics

Lockheed D-21's length is recorded as {'amount': '+13.061'}[25]. Its speed is recorded as {'amount': '+3.35'}[26].

Related Entities

United States

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). Lockheed D-21. Retrieved November 12, 2026, from https://4ort.xyz/entity/lockheed-d-21
MLA “Lockheed D-21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Nov. 2026, https://4ort.xyz/entity/lockheed-d-21.
BibTeX @misc{4ortxyz_lockheed-d-21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lockheed D-21}}, year = {2026}, url = {https://4ort.xyz/entity/lockheed-d-21}, note = {Accessed: 2026-11-12}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 8w ago · KrzysztofPoplawski · 2026-09-16 view diff on Wikidata ↗
    Wingspan → 5.814
    Maximum operating altitude → 28,956
    Vehicle range → 5,556
    Manufacturer → Lockheed Corporation
    + 15 other properties edited (see Wikidata diff for full list)
    "Created claim: Subclass of: jet-powered unmanned aerial vehicle, #quickstatements; #temporary_batch_1789554026830"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.