<http://webisa.webdatacommons.org/prov/210971866>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/138393907> .
<http://webisa.webdatacommons.org/138393907>	<http://www.w3.org/ns/prov#value>	"The use of the landing gear was a 741 / 2 / 3 SOP, the captain had a choice of whether use them or not." .
<http://webisa.webdatacommons.org/138393907>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/138393907>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<airliners.net> .