SimBrief API Outage / Timeout – Cannot generate or load OFP (GSX, FSHud, Charts affected)
Hi team,
I’m experiencing a total lockout from SimBrief services for the past hour and need some assistance or clarification.
The issue:
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I cannot generate or load any Operational Flight Plan (OFP).
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In the Dispatch/Planner web interface, the main route header loads, but the actual OFP section stuck indefinitely on skeleton/loading bars (screenshot attached).
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All external integrations using the SimBrief API (GSX, FSHud, Navigraph Charts, EFB) fail to pull data and throw continuous
timed out/connection failederrors. -
Trying to log in or access the main website via mobile network (LTE/5G) also hangs indefinitely on the login screen or fails to load the OFP.
Troubleshooting already done:
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Internet connection: Fully stable. Speedtest shows ~613 Mbps down / 106 Mbps up with 2ms ping.
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Browser test: Tested across multiple desktop browsers (Edge, Chrome, Firefox) with cleared cache/cookies.
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Network isolation: Tested on mobile data (cellular LTE/5G) outside my home ISP network — the issue persists on mobile as well.
Since this affects the website, mobile access, and all direct API requests simultaneously across different networks, it seems like a backend/authorization/OFP generation service failure or a severe routing node outage.
Is there an ongoing outage with the OFP generation servers, or is the API currently undergoing unannounced maintenance?
Thanks in advance for checking.








