McDonnell Douglas has delivered the first two-seat F-18E/F Super Hornet, aircraft F1, to the US Navy, for carrier-suitability testing leading to sea trials in January 1997. Some 130h have been accumulated on three flight-test aircraft, including single-seaters E1 and E2. The F-18E/F has been flown to Mach 1.52 and an altitude of 48,000ft (14,600m).
Source: Flight International