Such a navigation system should provide an accurate navigation solution both outdoors and indoors, as well as during transition phases from outdoor to indoor and vice versa. THE PROBLEM. Several ...

Universal Avionics' GLS-1250 GPS Landing Sensor System received TSO C129a, Class B1/C1 and approval from the FAA on June 17. The GLS-1250 when interfaced with Universal Avionics FMSes receives GPS ...