# NAvigraph FMS and ASN

**URL:** <https://forum.navigraph.com/t/navigraph-fms-and-asn/4129>\
**Category:** FMS Data Manager\
**Created:** [February 2, 2021, 10:59am UTC](https://forum.navigraph.com/t/navigraph-fms-and-asn/4129 "2021-02-02T10:59:28Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![skysail](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/skysail/32/304_2.png) [@skysail](https://forum.navigraph.com/u/skysail)\
**Post date:** [February 5, 2021, 9:30am UTC](https://forum.navigraph.com/t/navigraph-fms-and-asn/4129/2 "2021-02-05T09:30:14Z")

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Hello Lorenzo! Welcome to the forum.

Please be more specific in the steps that you have taken so far. If you’re unsure as to how exactly one should go about adding an addon to the list, please reference the FAQ on the matter: [FAQ - Installing Navdata AIRAC Updates](https://forum.navigraph.com/t/faq-installing-navdata-airac-updates/50)

If you still experience issues after following the steps as mentioned in the FAQ, please advise and we’ll sort it out together!

Regards,  
Malte

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