About: http://webisa.webdatacommons.org/34504499

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	There is no defined visual range because the requirement is dependent on environmental factors, weather conditions or other objects such as trees or buildings that could obstruct view of the aircraft.
http://www.w3.org/ns/prov#wasQuotedFrom	priv.gc.ca