About: http://webisa.webdatacommons.org/400913787

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	I know that some aircraft, such as A320 and B777 can change the HDG mode into TRK mode.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net