Assertion: helicopter's flight | /r/CapableOf | take place
Facets:
value: on 4 january
type: TEMPORAL
value: on june
type: TEMPORAL
value: at lasham airfield
type: LOCATION
value: on may
type: TEMPORAL
Source sentences:
text: The first experimental aircraft specification, for a transonic rocket plane, was placed in 1945, and the first operational flight of an X-plane took place when the Bell X-1 made its first powered flight nearly three years later at Muroc Air Force Base, California, now known as Edwards Air Force Base.
text: The first free flight took place on May 13, 1940.
text: The maiden flight of Solar One took place at Lasham Airfield, Hampshire, on June 13, 1979.
text: The first flight of the Comanche took place on 4 January 1996.