A modern aircraft cockpit with digital flight displays overlooks snowy mountains and clouds.
When a third-party aircraft add-on introduces deep systems modeling, a multi-function electronic flight bag (EFB), and crisp 4K or 8K cockpit surfaces, the first casualties on a typical Windows gaming rig or Xbox console are main-thread CPU pacing and graphics memory. FlightFX is targeting both of those bottlenecks with version 2.3.0 of its Cessna C750 Citation X for Microsoft Flight Simulator 2024.

According to coverage from FSElite and MSFS Addons, version 2.3.0 is now live on the in-sim Microsoft Flight Simulator Marketplace, delivering a broad performance optimization pass, lower-memory texture presets, automatic map server failover, and targeted fixes for autothrottle behavior and Navigraph memory consumption. Rather than bolting on flashy cabin gimmicks, this patch focuses on keeping frame rates stable over multi-hour sectors and preventing system state glitches when you step away from your desk.

A modern aircraft cockpit with digital flight displays overlooks snowy mountains and clouds. Separating CPU and VRAM Optimization: What v2.3.0 Changes Under the Hood​

From a PC hardware perspective, flight simulator performance issues rarely come from a single source. You are usually either main-thread limited—where the processor struggles to calculate avionics logic, flight dynamics, and HTML/JavaScript or WebAssembly displays—or VRAM-limited, where high-resolution textures overflow your GPU's frame buffer and force jarring stutters as assets swap across the PCIe bus.

FlightFX’s version 2.3.0 changelog addresses those two constraints separately:

  • CPU Load Reduction (Systems and EFB): According to FlightFX, as reported by FSElite and MSFS Addons, both the core aircraft systems and the EFB have been optimized "from top to bottom" to lower CPU overhead. The developer's stated goal is to deliver smoother, steadier cockpit frame rates and prevent performance degradation during longer flights, with the most noticeable stability gains expected on lower-end Windows PCs and Xbox consoles. Because neither FlightFX nor the reporting outlets have published specific frame-rate benchmarks or CPU frame-time graphs, PC simmers should treat these improvements as architectural optimizations and test how the aircraft behaves on their own hardware configurations.
  • VRAM Relief ("Standard – Lite Textures"): To tackle graphics memory limits, version 2.3.0 adds new Lite texture variants for both the standard and winglet passenger models. Listed in the simulator under the preset name "Standard – Lite Textures", these variants reduce texture memory consumption and are specifically recommended by the developer for Xbox pilots and Windows PC users running GPUs with limited VRAM.

Section Summary: Version 2.3.0 splits its optimization work across two distinct hardware bottlenecks: refactoring aircraft systems and EFB code to ease main-thread CPU pressure, while offering an optional "Standard – Lite Textures" preset for standard and winglet passenger models to keep VRAM usage in check.

EFB Resilience: Automatic Bing Maps Failover and Navigraph Memory Fix​

Modern cockpit tablets in Microsoft Flight Simulator rely heavily on external web APIs to render moving maps and terminal charts. When one of those external services hiccups—or when an authentication loop fails to clean up after itself—the cockpit experience suffers.

FlightFX has updated the Citation X EFB in two practical ways:

  1. Bing Maps Fallback for OpenStreetMap: The EFB map display now includes a Bing Maps option alongside its existing OpenStreetMap (OSM) integration. More importantly, FlightFX implemented automatic failover logic: if the OpenStreetMap tile server goes offline, becomes unreachable, or gets blocked on your network connection, the EFB automatically switches to Bing Maps tiles and returns to OpenStreetMap once the primary service recovers.
  2. Navigraph Sign-In Memory Leak Fix: For simmers who link their Navigraph accounts to pull up Jeppesen charts inside the cockpit, version 2.3.0 resolves a memory bug on the EFB's Navigraph pages. Previously, repeatedly signing in and signing out of Navigraph caused memory usage to climb incrementally with each cycle. Patching that memory growth aligns directly with the update's broader goal of keeping long-haul or multi-leg sessions stable.

Section Summary: The Citation X EFB is now more resilient against both network and memory issues, gaining automatic Bing Maps failover whenever OpenStreetMap tile servers fail, alongside a fix for escalating memory usage during repeated Navigraph sign-in and sign-out cycles.

Autothrottle State Persistence, Audio Fixes, and High-FPS Animations​

Anyone who has paused a complex jet in Microsoft Flight Simulator to answer the door knows the dread of unpausing only to find the engines spooling wildly out of sync. In a high-Mach business jet like the Citation X—which originally debuted from FlightFX in July 2025 for USD 29.99 and received its major MSFS 2024-focused V2 overhaul (v2.1.4) in late August 2026 followed by v2.2 in September —autothrottle stability is critical.

Version 2.3.0 refines how the aircraft handles simulator state interruptions and visual/audio polish:

System / ComponentIssue Addressed in v2.3.0Practical Impact for Simmers
Autothrottle StateThrottle drift during pause and sudden throttle jumps upon resuming.The autothrottle now holds its state steady while the simulator is paused, and better handles flight restarts and teleports.
Throttle AudioThrottle detent click sounds triggering during automated lever movement.Detent click audio no longer plays when the autothrottle moves the thrust levers automatically.
Landing Gear AnimationWheels rotating too slowly at high frame rates.Wheel rotation animation speeds are now corrected specifically when running above 60 frames per second.
Engine Audio SpatializationMisaligned audio source on the starboard side.Corrected the spatial anchor point for the right engine's sound effects.

That 60 FPS wheel-animation fix is a nice touch for PC users utilizing frame generation or high-refresh-rate monitors, where animations tied improperly to tick rates can make a speeding jet look like its tires are barely rolling down the runway.

Section Summary: Beyond performance tuning, v2.3.0 stabilizes autothrottle behavior across pauses, restarts, and teleports, silences erroneous throttle detent clicks during autothrottle motion, fixes slow wheel animations above 60 FPS, and corrects the right engine's sound anchor point.

How to Update the Citation X in MSFS 2024 Without Installation Errors​

Because Microsoft Flight Simulator 2024 supports both cloud-streamed aircraft and locally installed packages, how you get version 2.3.0 depends on how you configured your hangar. As detailed by MSFS Addons, the update process follows two distinct paths:

  1. Cloud-Streamed Aircraft: If you stream the FlightFX Citation X directly from Microsoft's servers, no manual patching is required. Version 2.3.0 loads automatically the next time you spawn into the aircraft.
  2. Locally Installed Aircraft (MSFS Marketplace): If you downloaded and installed the Citation X locally to your drive, you must trigger the update manually through the in-sim MSFS Marketplace by navigating to the My Library section.
  3. Crucial Pre-Update Step: Before clicking update on a locally installed copy, make sure you select a different aircraft in the simulator menu first. As MSFS Addons warns, attempting to update the Citation X while it is currently selected as your active plane will cause the installation to fail.

Also keep platform boundaries in mind: back when FlightFX rolled out the sweeping V2 overhaul in August 2026, the developer noted that growing technical divergence between Microsoft Flight Simulator 2024 and Microsoft Flight Simulator 2020 meant the 2020 edition was heading toward maintenance-only status for critical bug fixes, while feature and architecture work focused on MSFS 2024. Version 2.3.0 continues that MSFS 2024 progression.

If you have been flying the Citation X on a mid-range Windows PC or an Xbox Series X|S, are you seeing smoother cockpit panning and lower VRAM pressure with the new "Standard – Lite Textures" preset? Share your hardware specs and impressions in the WindowsForum community threads.

 

References

  1. FlightFX Updates Citation X for MSFS 2024 to v2.3.0 - FSElite FSElite 2026-10-18T12:01:00+00:00
  2. FlightFX Updates Citation X for MSFS 2024 - FSElite fselite.net
  3. FlightFX updates their Cessna Citation X to V2.2 - MSFS Addons msfsaddons.com