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XP-4
San Diego Air Museum Public Archives · Public domain · Wikimedia Commons

XP-4

Fighter aircraft

Country of origin United States
ManufacturerBoeing
The Boeing XP-4 was a prototype American biplane fighter of the 1920s. It was grounded permanently after just 4.5 hours of flight testing.

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Specifications

Number built
1
Introduced
1927
First flight
1927

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Model data: Wikidata (CC0) and Wikipedia (CC BY-SA). Figures can differ between versions of the same weapon. · Q2908555