Aircraft FAQ
Updating the AIRAC
Instructions on updating the FMC AIRAC cycle.
Updated 2026-05-30
The AIRAC is updated via Navigraph Hub, using a similar process to every other addon.
Afterwards, when you load the aircraft in the sim, go to the FMC IDENT page. The new AIRAC will be displayed at the bottom.
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Click on the LSK next to it to copy it to scratchpad, and then click on the LSK next to the current active AIRAC to replace it with the new one.
Sanity export media block
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Source: CSS Launcher User Manual, Rev. 5 — December 2025.