About: http://webisa.webdatacommons.org/221409984

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	To reduce volume of radio traffic ASP may be instructed to check visually and not to open on radio except in emergencies, receiving landing instructions via blinker signal.
http://www.w3.org/ns/prov#wasQuotedFrom	ibiblio.org