Honeywell FMZ Series Pilot's Manual page 224

Flight Management System (FMS) for the Agusta AW139/AB139 Helicopter
Step Procedure 6- -8 FMS Manual Position Update by
4 Enter either an identifier or coordinates for the REF WPT.
For this example, enter ZUN as the REF WPT.
Navigation
6-66
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Flyover
Figure 6- -52
REF WPT
A28- - 1146- - 181
REV 3 Mar 2009