The Grumman F7F Tigercat is a heavy fighter aircraft that served with the United States Navy (USN) and United States Marine Corps (USMC) from late in World War II until 1954. It was the first twin-engine fighter to be deployed by the USN.

最早期的f7f-1n是单座战斗机，但从第34架开始，增加了一个雷达操作员的座位。双座型的虎猫称f7f-2n。 f7f的下一个生产型号f7f-3在设计上进行了一些改进，旨在使f7f具有航母起降能力。f7f-3曾在香格里拉號航空母艦上进行起降试验。

f7f-2n/3n三视图 再后来，在 F7F-2昼间作战型的基础上，格鲁曼又开发了F7F-3型。 该型号与其他前期型号最大的不同是更换了 2,100 马力的普惠 R-2800-34W 型发动机，飞机机翼采用了强度更高的铝合金大梁。

2019年12月12日 · f7f-2n 是基于xf7f-2n原型机建造的双座型夜间战斗机，增加了一名雷达操作员，共生产了65架。 为了安装 AN/APS-6雷达 ，F7F-2N战斗机减少了一个内部油箱。 在武器方面，F7F-2N拆除了12.7毫米机枪，增加了火箭发射架。

F7F-3N. Like the F7F-2N, this is a two-seater fighter, a variant of the F7F-3 made to be a night-fighter with room for a second pilot generally used as a radar operator. Also, its nose was lengthened to accommodate its radar system. 60 were crafted of this design.

海军对这种双座夜间战斗机的正式编号是f7f-2n，但实际上有一部分飞机是作为f7f-2昼间战斗机交付使用的。 两者之间的主要差别在于昼间型的后座舱装有一个303升的辅助油箱，同时以金属 蒙皮 取代了透明舱盖。

With 34 single-seat models delivered, production switched to a two-seat night fighter, designated the F7F-2N, a total of 65 of which were built. Grumman then built 189 F7F-3s, which were...

2017年5月9日 · 海军陆战队 vmf(n)-531 中队是最早接收 f7f-2n 的飞行中队。 这支部队组建于 1942 年 11 月 16 日，是海军陆战队的第一个夜战中队。 1943 年至 1944 年间，531 中队装备着洛克希德 PV-1“文图拉”夜战型飞机，在南太平洋地区取得了击毁 12 架日机的战果。

2019年4月2日 · F7F-2N - Dedicated Two-Seat Night-Fighter Model based on XF7F-2N prototype; one fuel tank removed for radar space; 65 examples produced.

The 35th machine on the F7F-1 production line was modified as a prototype for the "XF7F-2N", with the next 65 machines rolled out being "F7F-2N" night fighters. They featured a rear cockpit for a radar operator, fuselage fuel tankage being reduced to make space for it, and an SCR-720 radar in a long "snout" nose.