About: http://webisa.webdatacommons.org/30534953

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	For aircraft without radio, of course, a pilot's scanning technique at non-towered airports is a necessity and his or her best insurance against involvement in a collision on the ground or in the air.
http://www.w3.org/ns/prov#wasQuotedFrom	avweb.com