About: http://webisa.webdatacommons.org/8040802

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	The environmentalist lobby did try to scare people into believing that sonic booms would be generated at any speed, including takeoff and landing, but this could (and should) have been countered by a better PR campaign.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net