<http://webisa.webdatacommons.org/325247454> <http://www.w3.org/ns/prov#wasQuotedFrom> <avera.org> . <http://webisa.webdatacommons.org/prov/63055927> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/325247454> . <http://webisa.webdatacommons.org/325247454> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/325247454> <http://www.w3.org/ns/prov#value> "Some employers, including businesses not engaged in aviation, require their employees to meet FAA flight physical standards (for example, certain types of maritime operators).Barring any changes in a pilot's medical status, each class of examination has a specific expiration date as outlined in the Code of Federal Regulations (14 CFR part 61.23)." .