The fuel feed lines in the main gear wells are also wrapped with a self-sealing shell. Tank baffles provide some limited fuel supply in negative-G flight, but there are no provisions for sustained negative or zero-G flight. High Gs are handled by boost pumps.
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Full-scale development (FSD) F/A-18s used 315-gallon, elliptically shaped drop tanks. Carrier catapult systems at the time, which were not flush with the deck, were considered incompatible with external belly tanks larger than 300 gallons due to clearance concerns. However, problems associated with the 315-gallon tanks, coupled with the subsequent conversion of all U.S. carriers to flush deck catapults, prompted the introduction of the now standard 330-gallon (1,250 l) tank for Hornet-A/B/C/Ds.
