Why does the DuoDiscus suddenly dive so steeply?
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Tomfa -
November 27, 2025 at 1:21 PM -
Thread is Resolved
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User generated plane. Don't waste time searching the FS4 planes for it unless you have downloaded it. (FS4 / General Discussions section).
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The TMD programming was done by Jan "Jet-Pack".

This problem has occurred since the integration of the S100, as the previous version still works perfectly.
It would be greatly appreciated if this issue could be addressed in a future update, especially since this model is now available here.
Aerofly FS 4 – Duo Discus Free Add-On Download – Aerofly-Sim.de
Thanks
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Interesting. Is Aerofly-Sim.de well known?
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No, only since 2010
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Jet-Pack (IPACS)
November 27, 2025 at 9:33 PM Moved the thread from forum General Discussions to forum User content. -
- Official Post
Thanks for the report, it's initialized with zero airspeed for some reason, I'll investigate.
For everyone looking for the download:
Duo Discus for Aerofly FS 4
Aerofly FS 4 – Duo Discus Free Add-On Download – Aerofly-Sim.de