Performance
SPEED
1,550 mph (2,495 kph) [Diff.+31 mph]
SPEED
1,519 mph (2,445 kph) [Diff.-31 mph]
RANGE
1,802 miles (2,900 km) [Diff.+913 miles]
RANGE
889 miles (1,430 km) [Diff.-913 miles]
CEILING
64,993 ft (19,810 m) [Diff.+5,935 feet]
CEILING
59,058 ft (18,001 m) [Diff.-5,935 feet]
RATE-OF-CLIMB
62,000 ft/min [Diff.-3,000 feet]
RATE-OF-CLIMB
65,000 ft/min [Diff.+3,000 feet]