Message Function

GPS Sensor Lat/Lon Failure

When the GPS sensor cannot compute the latitude and longitude, the following message displays. It becomes an old message after viewing.

GPS PositionSensor CannotCompute Lat/LonGPS RAIM Not Available

When RAIM detection is not available for the GPS sensor, a warning is generated. The current flight phase is displayed first (Terminal, En Route, or Approach). Approach warnings are for the GX50/60 only. Messages become an old message after viewing.

En routeGPS RAIMNot AvailableGPS RAIM Position Error

When RAIM detection is available for the GPS sensor and it detects a RAIM alarm, a warning is generated and Nav data will be flagged as invalid. The current flight phase is displayed first (Terminal, En Route, or Approach). Approach warnings are for the GX50/60 only. It becomes an old message after viewing.

TerminalGPS RAIM ALARMPosition ErrorGPS Communication Failure

This message appears when communications fail between the Apollo GX and the GPS engine. The message will remain if there is a real problem. You may also see this message if you press the SKIP key during startup before the GPS engine was initialized, in which case there is no problem and the message will go away.

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