| III FUNCTIONAL DESCRIPTION | THE SYSTEM IS AN ALL-ALTITUDE INERTIAL NAVIGATION SYSTEM (INS) WITH AN EMBEDDED GLOBAL POSITIONING SYSTEM GPS RECEIVER AND MMR TOP HAT. ITS IS USED IN THE AH-64 AIRCRAFT. THE ENHANCEMENTS WITH THIS REQUEST INCLUDE THE ADDITIONS OF WAAS GPS AND BLENDED CAPABILITY, WAAS BLENDED AND PPS BLENDED, FINAL APPROACH SEGMENT (FAS) OUTPUT LPV GUIDANCE, MSO-C145A, AND SUPPORT ADS-B OUT SYSTEM LEVEL PLATFORM INTEGRATION. |