@prefix cpm: . @prefix dc: . @prefix dcat: . @prefix dce: . @prefix dct: . @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 semapv: . @prefix skos: . @prefix sssom: . @prefix void: . skos:member . skos:narrower . skos:narrower . skos:related . skos:altLabel "Sperry Marine MK39 INS" , "Sperry Marine MK39 INS"@en ; skos:broader ; skos:definition "An inertial navigation system which uses a Ring-Laser gyro. It calculates, via dead reckoning, the position, heading, attitude and velocity. It is mainly used in naval ships. Heading acurracy: 3 Arcmin Sec (Lat) RMS and 7 Arcmin Sec (Lat) Peak. Position: 1.0 nm in 8 hr TRMS."@en ; skos:inScheme ; skos:notation "SDN:L22::TOOL0885" ; skos:note "accepted"@en ; skos:prefLabel "Sperry Marine MK39 inertial navigation system"@en ; skos:related . skos:related .