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[Solved] PMDG 737 MSFS 2024 – FMC Origin/Destination uitlezen via FSUIPC7 offsets

Mente · 2026-10-27T19:17:37Z

I use PMDG 737-700 in MSFS 2024 with FSUIPC7 and PMDG SDK data broadcast enabled. I want to read the active FMC RTE origin and destination, including routes entered manually on the CDU. Can you confirm whether these offsets are correct and supported in FSUIPC7 for the PMDG 737 MSFS 2024? Origin: 0x65C0, 5-byte ASCII string Destination: 0x65C5, 5-byte ASCII string If not, which exact FSUIPC offsets or PMDG SDK fields should be read for FMC origin and destination? I only need read-only Lua access via ipc.readSTR.

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Posts: 375

FSUIPC

Admin

October 31, 2026 1:43 pm

(@fsuipc)

Joined: 1 year ago

Can you please set logging for Extras, restart FSUIPC7 and then show me the log file again.

Posts: 375

FSUIPC

Admin

October 31, 2026 1:47 pm

(@fsuipc)

Joined: 1 year ago

Also, please check that the WAPI is actually enabled....do you have this in your FSUIPC7.ini file:

[WAPI]
EnableWAPI=Yes

If not, add that and try again....

This post was modified 6 days ago 2 times by FSUIPC

Posts: 8

Mente

Registered

Topic starter

October 31, 2026 1:58 pm

(@mente)

Joined: 1 week ago

Hi John,
You found it: EnableWAPI was set to No. I changed it to Yes and restarted FSUIPC7. The log now shows that WAPI started and 3,148 L:vars were received. I have attached the new log.
Regards,
Mente

Attachment : FSUIPC7 LOG OLD NEW.zip

Posts: 375

FSUIPC

Admin

October 31, 2026 2:16 pm

(@fsuipc)

Joined: 1 year ago

Great! I noticed that the WASM is reported as not detected if it is disabled, and the WASM menu not added, even if the WASM is installed. I will change this in the next release to still add the WASM menu if it is installed and disabled, so that it can be enabled directly from the WASM menu. This used to be how it worked, not sure when this changed...!

Regards,

John

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