About: http://webisa.webdatacommons.org/134897760

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	While the navigator had to calculate the airspeed, wind drift (which was a big factor with that big air bag) magnetic heading, deviation etc.
http://www.w3.org/ns/prov#wasQuotedFrom	kilroywashere.org