<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Airliner_accident_or_incident_caused_by_pilot_error> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Accident_or_incident_involving_the_Boeing_727> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_accidents_and_incidents_involving_the_Boeing_727> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Airliner_accidents_and_incidents_caused_by_instrument_failure> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Airliner_accident_or_incident_caused_by_instrument_failure> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/December_1974_event_in_the_United_States> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Northwest Orient Airlines Flight 6231#Crew" .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Accidents_and_incidents_involving_the_Boeing_727> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Aviation_accidents_and_incidents_in_the_United_States_in_1974> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Airliner_accidents_and_incidents_in_New_York_(state)> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Northwest Orient Airlines Flight 6231" .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:December_1974_events_in_the_United_States> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Airliner_accidents_and_incidents_caused_by_pilot_error> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Aviation_accident_or_incident_in_the_United_States_in_1974> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/2000/01/rdf-schema#label>	"Northwest Orient Airlines Flight 6231" .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Northwest_Orient_Airlines_Flight_6231> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Northwest_Airlines_accidents_and_incidents> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Northwest_Airlines_accident_or_incident> .
<http://caligraph.org/resource/Northwest_Orient_Airlines_Flight_6231>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Airliner_accident_or_incident_in_New_York_(state)> .