enter image description here

Nothing included on this old photograph other than it is a seaplane. Is it possible to know the manufacturer and where it was flown?

  • Do we know the source of the image? How did you obtain the image?
    – MCW
    Feb 24, 2017 at 0:56
  • I purchased this in a group of old photos on ebay. There are several other bi-plane pictures in the group. None of them have any information associated with them. Feb 24, 2017 at 2:24

1 Answer 1


I believe what you have would be a Curtis HS model, possible the HS-1, or more probably the HS-2L.

The Curtiss HS was a single-engined patrol flying boat built for the United States Navy during World War I. Large numbers were built from 1917 to 1919, with the type being used to carry out anti-submarine patrols from bases in France from June 1918. It remained in use with the US Navy until 1928, and was also widely used as a civil passenger and utility aircraft

The smaller HS-1: enter image description here

Yours seems to have some differences from the one pictures above,such as a larger wingspan, but I think its probably a similar model, perhaps earlier. These planes (actually called flying boats) were from the World War 1 era.

...and the HS-2L(as noted in comments-longer wingspan, more closely resembles the above photo)

Curtiss produced an increased-span version, the HS-2 with span increased by 12 ft (3.66 m) and an additional set of interplane struts, giving four-bay wings rather than the three-bay wings of the HS-1L

enter image description here

More info on civilian use of one HS-2L after the war:

  • 5
    In the photograph provided, there are four vertical reinforcements on both the left and right side of the wings. Thus, the plane in the photograph is a Curtis HS-2L, no the HS-1
    – Eric Urban
    Feb 24, 2017 at 0:52
  • Agree, updated answer with second model.
    – justCal
    Feb 24, 2017 at 1:32

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