1930s Curtiss Sparrowhawk parasite biplane. These were designed to be deployed from and recovered by airships.
https://s3-us-west-1.amazonaws.com/h...arrowhawk1.jpg
After being successfully hooked, here it is as it is lifted into the hangar of the USS Akron:
https://s3-us-west-1.amazonaws.com/h...arrowhawk2.jpg
More: https://en.wikipedia.org/wiki/Curtiss_F9C_Sparrowhawk
Previously:
https://www.homemadetools.net/forum/...145#post126065
https://www.homemadetools.net/forum/...076#post130024
https://www.homemadetools.net/forum/...5623#post82221
