Nakajima J1N Gekko
Night Fighter
The Nakajima J1N Gekko is a twin-engine two-seat night fighter aircraft produced by the Japanese manufacturer Nakajima Hikoki Kabushiki Kaisha, operated by the Imperial Japanese Navy during WWII. The Allied reporting name was Irving.
| Crew | 2 | |
| Propulsion | 2 Radial Engines | |
| Engine Model | Nakajima NK1F Sakae 21 | |
| Engine Power (each) | 831 kW | 1115 hp |
| Speed | 507 km/h | 274 kts 315 mph |
| Service Ceiling | 9.320 m | 30.577 ft |
| Range | 3.780 km | 2.041 NM 2.349 mi. |
| Empty Weight | 4.850 kg | 10.692 lbs |
| max. Takeoff Weight | 8.185 kg | 18.045 lbs |
| Wing Span | 16,98 m | 55 ft 9 in |
| Wing Area | 40,0 m² | 431 ft² |
| Length | 12,77 m | 41 ft 11 in |
| Height | 3,99 m | 13 ft 1 in |
| First Flight | 05/1941 | |
| Production Status | out of production | |
| Production Range | 1942-1944 | |
| Total Production | 479 | |
| Data for (Version) | Nakajima J1N1-S | |
| [Photo-ID: 10323] © Karsten Palt 2014-05-28 | |
![]() | Nakajima J1N1-S Gekko Imperial Japanese Navy Reg.: 7334 last remaining J1N Gekko (Irving) |
| NASM Udvar Hazy Center [Chantilly, VA] | |
| [Photo-ID: 10324] © Karsten Palt 2014-05-28 | |
![]() | Nakajima J1N1-S Gekko Imperial Japanese Navy Reg.: 7334 last remaining J1N Gekko (Irving) |
| NASM Udvar Hazy Center [Chantilly, VA] | |
| [Photo-ID: 10325] © Karsten Palt 2014-05-28 | |
![]() | Nakajima J1N1-S Gekko Imperial Japanese Navy Reg.: 7334 last remaining J1N Gekko (Irving) |
| NASM Udvar Hazy Center [Chantilly, VA] | |




