OS2U-3 Kingfisher

The Vought OS2U‑3 Kingfisher was a versatile, single‑engine floatplane that served the United States Navy from the late 1930s through World War II. First flown in 1938, the OS2U series evolved from earlier OS2U‑1 and OS2U‑2 models, with the “‑3” version incorporating a more powerful 1,200‑hp Wright R‑1820‑94 cyclonic engine, strengthened airframe, and improved fuel capacity. Its robust steel tube fuselage, wooden wings covered with fabric, and interchangeable wheeled or float undercarriage gave the aircraft a reputation for reliability in both sea‑borne and land‑based operations.

Designed primarily for scouting, artillery spotting, and limited anti‑submarine warfare, the Kingfisher could launch a modest payload of depth charges or rockets while retaining short‑takeoff performance from cramped carrier decks. Its high‑mounted gull wings provided excellent downward visibility for the crew, and an enclosed cockpit protected the pilot and observer from harsh maritime conditions. Approximately 1,300 OS2U‑3s were built, and they saw action in the Atlantic, Pacific, and Mediterranean theaters, rescuing downed airmen and providing critical reconnaissance. The Kingfisher’s blend of simplicity, adaptability, and dependable handling cemented its place as a workhorse of naval aviation, influencing post‑war liaison and utility aircraft designs.