keystone

52 photos tagged keystone, from 5 members of Flickr Commons.

When were these photos taken?

16
1908
2013

 

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The last upload was November 2024.

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Historic Flight

  • TVL1970 said:
    These appear to be US Navy Keystone PK-1 flying boats belonging to Patrol Squadron VP-1F, flying along the Na Pali coast of Kauai, Hawaii (note the Honopu Valley). The PK-1 was (like the Martin PM-2) an improved production version of the Naval Aircraft Factory (NAF) PN-12. VP-1F operated the PK-1 out of Ford Island, Oahu from 1932 to 1938.

USAAC pilots at Mather Field exercises 1930

Keystone Bomber

  • Michael Bludworth said:
    Keystone bomber
  • Chris Devers said:
    It does look like, for example, a Keystone B-6 (or one of the other Keystone B-X variants), but it's hard to tell from there.