Operators
- Bolivia
- Four P-1s were supplied to Bolivia.
- Chile
- Eight P-1As and eight P-1Bs went to Chile.
- Japan
- One P-1A went to Japan.
- Thailand
- Designated Hawk III or Hawk 3, served in the Royal Thai Air Force between 1934 and 1949.
- United States
- United States Army Air Corps
Read more about this topic: Curtiss P-1 Hawk