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Message Displays
Operations
altitude input is not valid or available, the following warning is given.
It becomes an old message after viewing.
Approach RAIM Unavailable
At 2 nm to the FAF, when approach is enabled and when not holding at
the FAF, the NMC checks for predicted approach mode RAIM
availability at the FAF and at the MAP waypoints. If RAIM will not be
available, the following warning is given.
RAIM Predict Too Late
When approach is enabled and you are less than 3 nm from the FAF,
the NMC requests a RAIM prediction for the FAF and the MAP. If
those predictions are not completed by the FAF, then the following
warning is given. This does not become an old message after viewing.
You must abort the approach by pressing the OBS/HOLD button and
exercise the missed approach procedure.
MCLS Position Sensor Signal Failure
When the in-use MCLS (Multi Chain Loran Sensor) transmits to the
NMC that it is unable to receive signals for the current GRI this
message is generated. In the example, MCLS 1 is not receiving signals.
Lat/Lon Position Jump Message
When the In-Use MCLS transmits a Position Jump message to the
NMC, or when automatic sensor switching causes a position jump of
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