@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @prefix dcterms: . @prefix grg: . @prefix iop: . @prefix ns0: . @prefix ns1: . @prefix owl: . @prefix pav: . @prefix prov: . @prefix puv: . @prefix qudt: . @prefix rdf: . @prefix rdfs: . @prefix reg: . @prefix sdo: . @prefix semapv: . @prefix skos: . @prefix sssom: . @prefix void: . @prefix xsd: . rdf:type sdo:DefinedTerm ; sdo:description "An Inertial Navigation System (INS) used for hydrographic survey, offshore construction and ROV operations. The system comprises three Ring Laser Gyros (RLG) and three accelerometers. A surface and sub-sea variant is available. Heading accuracy: 0.1 degrees RMS secant latitude (with GPS antenna aiding). Pitch and roll dynamic accuracy: 0.01 degrees. Heave accuracy: 5cm or 5% whichever is greater."@en ; sdo:inDefinedTermSet ; sdo:name "Teledyne TSS Orion inertial navigation system"@en ; sdo:termCode "SDN:L22::TOOL0900" .