Assertion: typhoon | /r/CapableOf | achieve over 400 mph
Facets:
value: in level flight at 20,000 ft
type: LOCATION
Source sentences:
text: Although the Typhoon was expected to achieve over 400 mph (640 km/h) in level flight at 20,000 ft, the thick wings created a large drag rise and prevented higher speeds than the 410 mph at 20,000 feet (6,100 m) achieved in tests.[nb 3]