Check the listing for details. WWII Grumman F6F HELLCAT Pilot's Flight Manual BOOK. Condition: New. Listed at 16.00 USD. The most successful naval fighter aircraft in history, the Grumman F6F Hellcat accounted for nearly 5200 kills during WWII. The Hellcat featured self-sealing fuel tanks, a bullet- resistant windscreen, and hydraulically-operated landing gear.