Grumman F6F Hellcat

The Hellcat was designed specifically to defeat the A6M Zero, and it did so comprehensively. F6F-5 top speed reached 391 mph against 351 mph for the A6M5 Zero, and the Hellcat's dive speed and roll rate were both clearly superior. The F6F carried self-sealing fuel tanks, pilot armour, and 6 × .50-cal Browning M2 machine guns; the A6M5 Zero had no self-sealing tanks, no pilot armour, and just 2 × 13mm guns plus 1 × 20mm cannon. Most importantly, the Hellcat could survive being hit — the Zero was extraordinarily vulnerable. The F6F's record over the Zero ran at roughly 19:1 by U.S. Navy claims, and the type is widely regarded as the principal aircraft that ended Japanese carrier-aviation dominance in the Pacific.

This was the 19–20 June 1944 air battle during the Battle of the Philippine Sea, the principal carrier-aviation engagement of the Mariana Islands campaign. Imperial Japanese Navy Admiral Jisaburo Ozawa's First Mobile Fleet launched roughly 450 carrier aircraft against U.S. Navy Task Force 58 (15 carriers, 956 aircraft, principally F6F Hellcats). USN Hellcats and anti-aircraft fire destroyed about 600 Japanese aircraft, including land-based attack types, for the loss of 30 U.S. fighters. The destruction of trained Japanese carrier aviators effectively ended the Imperial Japanese Navy's ability to mount major carrier operations against U.S. forces; later Pacific engagements such as Leyte Gulf saw Japanese forces lean on land-based aircraft and kamikaze tactics in place of conventional carrier aviation. The Turkey Shoot remains one of the most one-sided air battles in history.

Both were R-2800 Double Wasp-powered U.S. Navy carrier fighters. The F4U Corsair was faster — 446 mph for the F4U-4 against 391 mph for the F6F-5 — and was preferred for ground-attack work. The Hellcat had easier carrier-landing characteristics, was cleared for carrier use immediately (the Corsair was initially rejected over landing-approach issues), achieved better operational availability, and equipped U.S. Navy fast-carrier task forces from mid-1943. In service the two complemented each other: the F6F handled fleet-carrier air superiority while the F4U flew land-based operations and, later, carrier ground-attack missions.

Leroy Grumman at Grumman Aircraft Engineering Corporation. Grumman had already produced the FF (1932 Navy fighter), the F2F and F3F biplane fighters of 1936–1939, the F4F Wildcat of 1937, and the TBF Avenger of 1942. The Hellcat went from preliminary design to production deliveries in roughly 18 months — a remarkable engineering achievement under wartime conditions. Grumman's philosophy ran toward conservative, robust structures, simple maintenance, and reliable carrier handling, and the Hellcat became the firm's most successful fighter design and one of the most effective WWII fighters overall.

About 4 F6F Hellcats are airworthy in 2026 — a smaller flying population than the more numerous P-51 Mustang or F4U Corsair. Active operators include the Erickson Aircraft Collection at Madras, Oregon (F6F-5), Yanks Air Museum at Chino, California, Cavanaugh Flight Museum in Texas, and a few private owners. The Hellcat's robust airframe and reasonable parts availability support continued operation, but the smaller wartime production run and limited post-war civilian use have left a smaller surviving population.

Limited, but worth recording. F6F-5 and F6F-5N Hellcats remained in U.S. Navy and Marine Corps reserve service in 1950 when the Korean War began. Reserve F6F squadrons were activated and deployed to Korea for ground-attack and limited air-superiority missions, and some F6F-5K target drones were expended in early Korean War tactical evaluations. The type was withdrawn from front-line Korean War service by 1952 in favour of the F4U Corsair, which retained its ground-attack capability, and the jet fighters then entering service — the F-86 Sabre and F-9 Panther. Around 14 F6Fs were lost in Korean operations.