About: http://webisa.webdatacommons.org/317158979

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	Until 1949, private pilot applicants were required to demonstrate spins, so spin training was a routine part of the private pilot curriculum.
http://www.w3.org/ns/prov#wasQuotedFrom	pilotfriend.com