Assertion: blackbird's foot | /r/HasProperty | 24,000 m
Facets:
Source sentences:
text: The aircraft flew at an altitude of over 80,000 feet (24,000 m) and at speeds over 2,190 miles per hour (3,520 km/h).
text: The airplane’s spy equipment allowed it to survey 100,000 square miles (260,000 km2) per hour of the Earth's surface from an altitude of 80,000 feet (24,000 m).