Assertion: aircraft | /r/HasProperty | launched to flying speed
Facets:
value: by some other method
type: MANNER
Source sentences:
text: These mechanically simple engines produce no thrust when stationary, so the aircraft must be launched to flying speed using a catapult, like the V-1 flying bomb, or a rocket, for example.
text: These mechanically simple designs cannot work when stationary, so the aircraft must be launched to flying speed by some other method.