About: http://webisa.webdatacommons.org/456327621

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Even today it is not too wide of the mark to use this term, especially if we take note of the screwlike spiral path made by the rotor blades when a helicopter rises straight up.
http://www.w3.org/ns/prov#wasQuotedFrom	aviastar.org