About: http://webisa.webdatacommons.org/352572894

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	For some aircraft with no replacement, the manufacturer will develop a life of type extension to prolong service life, replacing large parts of the aircraft such as the main barrel, wing box, engines, avionics and other parts.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net