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IFD5XX Installation Manual
600-00299-000
Page 55 of 198
Revision: 02
5.8 Weight and Balance
After installing the IFD5XX, the aircraft’s weight and balance must be updated after
installation is complete.
For those installations where an IFD5XX is replacing a GNS530 (any variant), since the
IFD5XX is within 5% of the weight of the removed GNS530 (less than 1 pound difference), no
new weight and balance must actually be performed according to AC 43.13-1B Change 1
Acceptable Methods, Techniques, and Practices Aircraft Inspection and Repair (Chapter 10)
and AC 120-27E Aircraft Weight and Balance Control.
5.9 Compass Safe Distance
The IFD5XX should be installed 12” or more away from the aircraft’s magnetic compass.
Perform an aircraft compass swing/calibration after completing the IFD5XX installation.
Note: The 12” minimum distance is a TSO-driven value that is designed to ensure the unit
will have no impact on the aircraft compass. If an installation is made where this distance is
less than 12”, then a compass swing/calibration must be accomplished after completing the
IFD5XX installation.
Summary of Contents for IFD540
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