About: http://webisa.webdatacommons.org/238005924

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	Helicopters, on the other hand, add to the complexity by hovering, flying backwards and sideways, and landing routinely in areas other than airports.
http://www.w3.org/ns/prov#wasQuotedFrom	propilotmag.com