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Littlenav map not reading Navigraph data?

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Hi I got a Navigraph data subscription to use with Little Navmap.

The FMS updater is very straighforward and I get the files and folders on the right place:


Screenshot-2025-11-11-133054.png

Screenshot-2025-11-11-133128.png

The cycle_info.txt file shows the current data:

Screenshot-2025-11-11-133151.png

 

But in Little Navmap, on the menus I dont seem to have the updated airac:

Screenshot-2025-11-11-133230.png

Shouldnt the Navigraph part be updated with the new files?

As you can see the X-Plane scenery library loader picks the data fine from xplane folders. But I wonder if theres something wrong as Littlenav map dont seem to be able to read the data directly. With MSFS24 I seem to have an issue that prevents  to pick the data, not your problem. But when I use MSFS24 im stuck with 1801 cycle on Littlenav Map.
Thanks in advance. 

I think you must use the Navigraph FMS data manager to update LNM, not the Navigraph hub. It is a little bit more inconvenient than the hub, but once you have added LNM to the list of supported programs in the FMS manager, it is just a matter of one or to clicks to get it updated for future cycles.

  • Author

I use the FMS data manager to update both X-Plane and LittleNavMap. 

Screenshot-2025-11-11-145951.png

First quit LNM before updating. The FMS Data Manager silently skips an update if LNM has the database locked.

Another reason might be a wrong mapping in the FMS Data Manager. Sometimes it also messes up the mapping and installs in the wrong place, although in your case the file looks ok.

I put possible solutions to this here: https://albar965.github.io/littlenavmap_navigraph.html

If all goes wrong, use the manual download and installation.

Alex

 

 

I just double checked: I have exactly the same situation as you. However, when you go to scenery library, it shows the current cycle. I assume this is just an oversight in the scenery data remarks.

  • Author

@albar965 @qqwertz the FMS updater was copying the files and directories in the right place, but somehow when I used the manual updater LNM could see the change
I guess it could be a windows security / file access issue?

Anyway it is sorted out now. Thanks for an amazing app I will donate as soon as my financial situation is better than disastrous lol.

 

2 hours ago, daifuco said:

I guess it could be a windows security / file access issue?

Probably. Sometimes anti-virus blocks files.

At least it slows down file access which is why I excluded LNM settings and databases from scanning.

Alex

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