Grumman G-21 Goose
Amphibious Utility Aircraft
The Grumman G-21 Goose is a twin-engined eight-seat amphibious utility aircraft produced by the US-American manufacturer Grumman Aircraft Engineering Corporation.
The most numerous of the military G-21 versions were the United States Navy and US Coast Guard variants, designated the JRF. Many G-21 Goose have been converted to turboprop engines.
| Crew | 2 | |
| Passengers | 6-7 | |
| Propulsion | 2 Radial Engines | |
| Engine Model | Pratt & Whitney R-985 Wasp Junior SB-2 | |
| Engine Power (each) | 336 kW | 450 hp | 
| Speed | 324 km/h | 175 kts 201 mph  | 
| Service Ceiling | 6.492 m | 21.300 ft | 
| Range | 1.119 km | 604 NM 695 mi.  | 
| Empty Weight | 2.460 kg | 5.423 lbs | 
| max. Takeoff Weight | 3.630 kg | 8.003 lbs | 
| Wing Span | 14,95 m | 49 ft 1 in | 
| Wing Area | 35,1 m² | 378 ft² | 
| Length | 11,70 m | 38 ft 5 in | 
| Height | 3,66 m | 12 ft 0 in | 
| First Flight | 29.05.1937 | |
| Production Status | out of production | |
| Production Range | 1937-1945 | |
| Total Production | 345 | |
| ICAO Code | G21 | |
| IATA Code | GRG | |
| Data for (Version) | Grumman G-21A Goose | |
| Variants | G-21, G-21A, G-21B, JRF-1, JRF-1A, JRF-2, JRF-3, JRF-4, JRF-5, JRF-6B, OA-9, OA-13A, OA-13B, Goose Mk.I, Mk.IA, Mk.II | |
| [Photo-ID: 10279] © Karsten Palt 2014-05-28 | |
![]()  | Grumman G-21A Goose Reg.: NC702A c/n: 1048  | 
| NASM Udvar Hazy Center [Chantilly, VA] | |
| [Photo-ID: 6301] © Karsten Palt 2012-06-12 | |
![]()  | Grumman G-21A Goose (JRF-5) Reg.: N329 c/n: B-140 ex US Navy JRF-5 BuNo 87746  | 
| Yanks Air Museum [Chino, CA] | |
| [Photo-ID: 6302] © Karsten Palt 2012-06-12 | |
![]()  | Grumman G-21A Goose (JRF-5) Reg.: N329 c/n: B-140 ex US Navy JRF-5 BuNo 87746  | 
| Yanks Air Museum [Chino, CA] | |




