About: http://webisa.webdatacommons.org/61881209

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	They still have all of ones they ordered so I am pretty sure that the oldest one is older than 10 years old.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net