Neptuno-class submarine

1940 class of Portuguese submarines
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Neptuno-class submarine

Summary

Neptuno-class submarine is a submarine class[1].

Key Facts

  • Neptuno-class submarine's image is recorded as HMS Spearhead.jpg[2].
  • Neptuno-class submarine's instance of is recorded as submarine class[3].
  • Neptuno-class submarine's operator is recorded as Portuguese Navy[4].
  • Neptuno-class submarine's operator is recorded as Royal Navy[5].
  • HMS Spearhead is named after Neptuno-class submarine[6].
  • Neptuno-class submarine's manufacturer is recorded as Cammell Laird[7].
  • Neptuno-class submarine's subclass of is recorded as S-class submarine[8].
  • Neptuno-class submarine's country of origin is recorded as United Kingdom[9].
  • Neptuno-class submarine's armament is recorded as cannon[10].
  • Neptuno-class submarine's armament is recorded as torpedo tube[11].
  • Neptuno-class submarine's has part is recorded as HMS Spur[12].
  • Neptuno-class submarine's has part is recorded as HMS Saga[13].
  • Neptuno-class submarine's has part is recorded as HMS Spearhead[14].
  • +1940-00-00T00:00:00Z marks the founding of Neptuno-class submarine[15].
  • Neptuno-class submarine's service entry is recorded as +1940-00-00T00:00:00Z[16].
  • Neptuno-class submarine's service retirement is recorded as +1969-00-00T00:00:00Z[17].
  • Neptuno-class submarine's location of creation is recorded as England[18].
  • Neptuno-class submarine's maximum capacity is recorded as {'unit': '1', 'amount': '+45'}[19].
  • Neptuno-class submarine's total produced is recorded as {'unit': '1', 'amount': '+3'}[20].
  • Neptuno-class submarine's short name is recorded as Neptuno[21].
  • Neptuno-class submarine's length is recorded as {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+66'}[22].
  • Neptuno-class submarine's speed is recorded as {'unit': 'http://www.wikidata.org/entity/Q128822', 'amount': '+14.9'}[23].
  • Neptuno-class submarine's speed is recorded as {'unit': 'http://www.wikidata.org/entity/Q128822', 'amount': '+9.5'}[24].
  • Neptuno-class submarine's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q191118', 'amount': '+827'}[25].
  • Neptuno-class submarine's beam is recorded as {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+7.2'}[26].

Body

Physical Characteristics

Neptuno-class submarine's length is recorded as {'unit': 'http://www.wikidata.org/entity/Q11573', 'amount': '+66'}[22]. Speeds include {'unit': 'http://www.wikidata.org/entity/Q128822', 'amount': '+14.9'}[23] and {'unit': 'http://www.wikidata.org/entity/Q128822', 'amount': '+9.5'}[24].

Designation and Status

Neptuno-class submarine's instance of is recorded as submarine class[3].

History and Context

+1940-00-00T00:00:00Z marks the founding of Neptuno-class submarine[15]. HMS Spearhead is named after it[6].

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] . forumdefesa.com. forumdefesa.com. Provenance: wikidata.org.
  10. [11] . forumdefesa.com. forumdefesa.com. Provenance: 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] . forumdefesa.com. forumdefesa.com. Provenance: wikidata.org.
  25. [26] . wikidata.org.

Class ancestry

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

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APA 4ort.xyz Knowledge Graph. (2026). Neptuno-class submarine. Retrieved May 3, 2026, from https://4ort.xyz/entity/neptuno-class-submarine
MLA “Neptuno-class submarine.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/neptuno-class-submarine.
BibTeX @misc{4ortxyz_neptuno-class-submarine_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Neptuno-class submarine}}, year = {2026}, url = {https://4ort.xyz/entity/neptuno-class-submarine}, note = {Accessed: 2026-05-03}}
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