Assertion: helicopter | /r/HasProperty | one of the fastest helicopters
Facets:
Source sentences:
text: Capable of a top speed of 170 knots (196 mph, 315 km/h), upon its introduction to service in 1962, the helicopter was considerably faster than contemporary 1960s utility helicopters and attack helicopters, and is still one of the fastest helicopters in the US inventory.
text: The helicopter, also one of the fastest helicopters in the world.