iNAV-FMSisanIMSproductfamilyforinertialnavigationandguidance,stabilisation,headingerminationanddynamicallymotionanalysiswithfiberopticalgyrosthatcoversapplications,whichrequirehighaccuracy,reliabilityandanopeninterfacetotheuser.ThederivationiNAV-FMS-LSURVforadvancedlandvehiclebasedapplicationsconsistsofthreehighaccuratefiberopticalgyroscopeswithlowrandomwalkof0.18deg/handangularresolutionof0.0003deg,threeservoaccelerometers,apowerfulstrapdownprocessorandanopenandflexibleinterface,whichcanbecustomized.