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XP-4

fighter aircraft prototype by Boeing
Class type of: PW-9 Q2908555

Facts

7 properties

Identity

Instance of
prototype aircraft model
More facts +6
Based on
PW-9[2]
Subclass of
PW-9[4]
Country of origin
United States[5]
First flight
1927[6]
Manufacturer
Boeing[3]
Total produced
1.0[7]
🏷️ Also known as
en Boeing XP-4 en XP-4 en XP4 fa بوئینگ ایکس‌پی-۴ fr Boeing Model 58 ja XP-4 (航空機) zh XP-4戰鬥機
🔖 Identifiers · 2
Image (Wikimedia Commons)
Boeing XP-4.jpg ↗
Freebase ID
/m/0ftmnr

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🔗 Connections
Country of origin 1
United States
Manufacturer 1
Boeing
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Summary

XP-4 is a prototype aircraft model[1].

Related Entities

Boeing United States

References

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

Direct Wikidata claims

  1. [2] ↑ . Classic Military Biplanes. wikidata.org.
  2. [3] ↑ . Classic Military Biplanes. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . Classic Military Biplanes. 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). XP-4. Retrieved November 6, 2026, from https://4ort.xyz/entity/xp-4
MLA “XP-4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/xp-4.
BibTeX @misc{4ortxyz_xp-4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{XP-4}}, year = {2026}, url = {https://4ort.xyz/entity/xp-4}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): XP-4 — https://4ort.xyz/entity/xp-4 (retrieved 2026-11-06)

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