Curtiss SO3C-1/2/3 "Seamew"
The Coast Guard acquired at least 48 Curtiss SO3 scout aircraft from the Navy, which came with either fixed landing gear of floats. They were used for anti-submarine patrols all along the nation's coast. At least three were the SO3C-1 models.
Photographs (click on description to view image):
Aircraft History File, U.S. Coast Guard Historian’s Office.
Gordon Swanborough & Peter M. Bowers. United States Navy Aircraft Since 1911 (Annapolis: Naval Institute Press, 1990-third edition), pp. 164-165.
Arthur Pearcy, U.S. Coast Guard Aircraft Since 1916 (Annapolis: Naval Institute Press, 1991), pp. 158-159.