Performance
SPEED
1,487 mph (2,393 kph) [Diff.+662 mph]
SPEED
825 mph (1,328 kph) [Diff.-662 mph]
RANGE
1,950 miles (3,138 km) [Diff.+600 miles]
RANGE
1,350 miles (2,173 km) [Diff.-600 miles]
CEILING
58,005 ft (17,680 m) [Diff.+4,003 feet]
CEILING
54,003 ft (16,460 m) [Diff.-4,003 feet]
RATE-OF-CLIMB
30,000 ft/min [Diff.+12,600 feet]
RATE-OF-CLIMB
17,400 ft/min [Diff.-12,600 feet]