About: http://webisa.webdatacommons.org/388862877

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	Such a unique sound or series of sounds may comprise any, such as an announcement, that may communicate to the tanker aircraft a point of interest regarding the refueling operation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca