AeroNav 900/880 Series Pilot’s Guide
89000039-010
Rev 1 May 2019 General 7-17
Tuned frequency does not match
approach navaid
Indicates that the active approach is based on a localizer
or a VOR and that approach is not authorized for GPS
overlay, the aircraft course is within 45 degrees of the final
approach course, the course to the active waypoint is
within 45 degrees of the final approach course, the
distance to the final approach fix (FAF) from the current
position is less than 4 NM, and the frequency tuned by the
nav radio does not match the frequency of the approach
navaid
Decoded navaid identifier did not match
approach navaid
Indicates that the active approach is based on a localizer
or a VOR and that approach is not authorized for GPS
overlay, the aircraft course is within 45 degrees of the final
approach course, the course to the active waypoint is
within 45 degrees of the final approach course, the
distance to the final approach fix (FAF) from the current
position is less than 4 NM, the frequency tuned by the nav
radio matches the frequency of the approach navaid, and
the identifier decoded by the nav radio does not match the
identifier of the approach navaid.
Lightning sensor recoverable fault:
<cc>
An internal warning condition within the lightning sensor
has occurred and it may clear itself or clear after a power
cycle of the lightning sensor. <cc> is the fault code(s) from
the sensor
No communication with lightning
sensor
Recommend cycling power to the lightning sensor. If the
problem persists, contact a local dealer for service.
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