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Nine versions of this aeroplane were built for the US Navy and Coast Guard, the first appearing for the Navy in 1933 as the JF-1, powered by a 521.6kW Pratt & Whitney R-1830 Twin Wasp engine. This was followed by the JF-2 Coast Guard version, powered by a 559kW Wright Cyclone radial, and the JF-3. A number of JF-2s were also delivered to Argentina. By the beginning of 1941 about 115 JF and J2F-1 to J2F-4 Ducks were in service as general/utility amphibians for photographic, target-towing, scouting and rescue work. These were followed by J2F-5s and J2F-6s, the latter produced in 1944 by the Columbia Aircraft Corporation of Valley Stream, Long Island, under licence from Grumman, bringing the total number of JF/J2Fs built to over 600.
| CREW | 2 |
| ENGINE | 1 x Wright R-1820-54, 660kW |
| WEIGHTS |
| Take-off weight | 2400-3500 kg | 5291 - 7716 lb |
| Empty weight | 1860 kg | 4101 lb |
| DIMENSIONS |
| Wingspan | 11.9 m | 39 ft 1 in |
| Length | 10.4 m | 34 ft 1 in |
| Height | 4.3 m | 14 ft 1 in |
| Wing area | 37.5 m2 | 403.65 sq ft |
| PERFORMANCE |
| Max. speed | 250 km/h | 155 mph |
| Cruise speed | 200 km/h | 124 mph |
| Ceiling | 7100 m | 23300 ft |
| Range w/max.fuel | 600 km | 373 miles |
| Range w/max.payload | 400 km | 249 miles |
| ARMAMENT | 3 machine-guns, 100-150kg of bombs |
William G. Hoenig, HWillyG(@)aol.com, 03.05.2008
In the spring of 1948 one of these a/c was assigned to the 10th Air Rescue Sqd at Elemdorf Field in Alaska.
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Do you have any comments concerning this aircraft ?
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