The Grumman G-44 Widgeon is a small, twin‑engine amphibious aircraft designed and manufactured by the Grumman Aircraft Engineering Corporation in the United States. It first flew in 1940 and entered production during the early years of World War II, serving both civilian and military roles.
Development
- The Widgeon was developed as a larger, more capable successor to the Grumman G-21 Goose, aiming to provide a low‑cost, versatile amphibian for both commercial and military customers.
- The prototype, designated G-44, performed its maiden flight on 11 August 1940 at Grumman’s Bethpage, New York, facility.
- Initial production was undertaken for the United States Navy, which designated the military version as the OS2U‑2. Civilian production continued concurrently at Grumman’s plant in Bethpage.
Design
- Configuration: High‑wing monoplane with a conventional tail and retractable landing gear; the hull provides buoyancy for water operations.
- Powerplant: Early models were equipped with two 125 hp (93 kW) Lycoming R‑680‑4 radial engines; later variants employed 165 hp (123 kW) Jacobs L‑6MA or 150 hp (112 kW) Continental O‑300 engines.
- Construction: All‑metal airframe with a watertight, aluminum hull; the wings feature leading‑edge slats and trailing‑edge flaps to enhance low‑speed handling.
- Capacity: Seating for a pilot and up to three passengers in a cabin located forward of the wing’s leading edge; later versions accommodated a fourth passenger or additional cargo.
- Performance: Typical cruise speed of 140–150 mph (225–240 km/h), maximum speed of approximately 165 mph (266 km/h), range of 650 mi (1,046 km), and service ceiling near 14,000 ft (4,267 m).
Operational History
- World War II: The United States Navy and United States Coast Guard ordered a total of 300 Widgeons, primarily for liaison, utility transport, and light rescue duties. The aircraft’s amphibious capability allowed operation from both water and undeveloped airstrips.
- Post‑war civilian use: After the war, many surplus Widgeons were sold to private owners, flight schools, and commercial operators, especially in regions requiring water‑based access such as the Caribbean, Pacific islands, and the Great Lakes area.
- International service: Several foreign air forces and government agencies, including those of Canada, Brazil, and the United Kingdom, operated the type in limited numbers for transport and coastal patrol roles.
- Legacy: The Widgeon remained in limited commercial service into the 1970s and has since become a popular aircraft among vintage and historic aviation enthusiasts. Restored examples are displayed in aviation museums and operated by private collectors.
Variants
| Designation | Description | Engine | Quantity |
|---|---|---|---|
| G‑44 (civil) | Initial civilian prototype; 2× Lycoming R‑680‑4 | 2 × 125 hp | 1 |
| G‑44A | Production civilian model with minor refinements | 2 × 125 hp | 115 |
| G‑44B | Improved civilian version with larger fuel tanks | 2 × 150 hp (Continental) | 73 |
| G‑44C | Post‑war civilian model equipped with Jacobs L‑6MA engines | 2 × 165 hp | 30 |
| OS2U‑2 (U.S. Navy) | Military amphibian for utility and liaison | 2 × 150 hp (Continental) | 300 |
| G‑44-2 | Export version for foreign customers, often fitted with locally sourced engines | Varied | 14 |
Operators
- United States Navy
- United States Coast Guard
- Royal Canadian Air Force (limited)
- Brazilian Air Force (limited)
- Civilian operators worldwide (private owners, charter companies, flight schools)
Specifications (G‑44A)
- Crew: 1 pilot
- Capacity: 3 passengers
- Length: 30 ft 5 in (9.27 m)
- Wingspan: 42 ft 0 in (12.80 m)
- Height: 9 ft 9 in (2.97 m)
- Empty weight: 3,850 lb (1,746 kg)
- Maximum takeoff weight: 5,560 lb (2,523 kg)
- Powerplant: 2 × Lycoming R‑680‑4 radial engines, 125 hp (93 kW) each
- Maximum speed: 165 mph (266 km/h) at sea level
- Cruise speed: 145 mph (233 km/h)
- Range: 650 mi (1,046 km)
- Service ceiling: 14,000 ft (4,267 m)
- Rate of climb: 1,200 ft/min (6.1 m/s)
See also
- Grumman G‑21 Goose – predecessor amphibian
- Grumman G‑73 Mallard – larger amphibian development
- List of amphibious aircraft
References
- Francillon, René J. Grumman Aircraft Since 1929. Naval Institute Press, 1991.
- Angelucci, Enzo. The American Fighter: The Definitive Guide to American Fighter Aircraft from 1917 to the Present. Orion Books, 1995.
- "Grumman Widgeon." Aviation Safety Network, www.aviation-safety.net. Accessed March 2024.
- U.S. Navy, Naval Aviation History: Grumman Widgeon (OS2U‑2), Naval History and Heritage Command, 2022.