iNAV-FMSisanIMSproductfamilyforinertialnavigationandguidance,stabilisation,trueheadingerminationanddynamicallymotionanalysiswithfiberopticalgyrosthatcoversapplications,whichrequirehighaccuracy,reliabilityandanopeninterfacetotheuser.ThederivationiNAV-FNS-AIRSURVforadvancedairborneapplicationsconsistsofthreehighaccuratefiberopticalgyroscopeswithlowrandomwalkof0.10deg/handangularresolutionof0.0003deg,threeservoaccelerometers,apowerfulstrapdownprocessorandanopenandflexibleinterface,whichcanbecustomized.