MSFS R66 v3.4 – 10/03/25

Important Update Tip
Never overwrite the old version.
Instead:
-Delete or move the old folder out of your Community folder
-Then extract the new version into Community
This ensures a clean, trouble-free install. Thanks!

-Enhanced SAS/AP and Force Trim system
-Autopilot modes now require SAS to be engaged
-HeloSAS updated to use trim inputs instead of direct actuators, matching real-world operation
-Rewritten SAS/AP manual for improved clarity
-Fixed issue causing NAV mode to randomly disengage
-Rotor animation refined for smoother performance
-Adjusted frictions for start up

MSFS R66 v3.3 – 9/26/25

-Manual updated
-PMS package README updated
-SAS/AP system enhancements
-Added NAV/GPS mode selector button
-ATTENTION PMS GTN650/750 USERS (PC)
-The PMS GTN requires an extra package to be installed into the community folder.
-CowanSim PMS GTN650/750 package can be found in the main product folder.
-For MSFS 2024 streaming find them here: https://cowansim.com/manuals-checklists/
-PMS GTN 650/750 base package can be found at https://pms50.com/msfs/
-You’ll need BOTH installed

MSFS R66 v3.2 – 9/17/25

-SAS/AP system updated
-Fixed floats issue
-Fixed G3X yellow speed tape start
-Various bug fixes and performance improvements
ATTENTION PMS GTN650/750 USERS (PC)
-The PMS GTN requires an extra package to be installed into the community folder.
–CowanSim PMS GTN650/750 package can be found in the main product folder.
–PMS GTN 650/750 base package can be found at https://pms50.com/msfs/

MSFS R66 v3.1 – 8/31/25

-Fixed compatibility issue with third-party TDS/PMS GTN 650/750 units when using autopilot in MSFS 2024 (PC only)

MSFS R66 v3.0 – 8/29/25

-Upgraded G3X vertical units to the G3X Touch
-Added CowanSim Advanced SAS Autopilot System
-Added SAS Autopilot System Manual to package
-Added Force Trim Release (FTR) and trim hat support
-Improved auto-deploying floats with realistic buoyancy and floating behavior
-Corrected VR loading position (map reset for proper centering)
-Resolved glass/window flickering issue
-Removed doors from weight calculations for cross-simulator and multiplayer compatibility (add/remove click spots remain)
-Various bug fixes and performance improvements

MSFS R66 v2.0 – 5/30/24

-Fixed the cyclic neutral fwd aft position.
-Fixed the beacon and nav lights artifacts. (confirmed)
-Camera views updated since the cyclic moved.
-Fixed the VR cyclic collider for grabbing the cyclic in VR. (confirmed)
-Fixed the left rear door off by default.
-A few modeling enhancements.
-Fixed the anti-torque pedal animations and neutral position.
-Moved the checklist position since it was a little too far away.
-Glass panel G3X screens are brighter and can be adjusted with the “INST. LIGHTS” potentiometer.
-Sounds were adjusted to get rid of the high pitch squealing that lots of people were sensitive to.
-Multiplayer sounds were fixed to sync up the engine and rotor sound distances.
-SU15 governor code requirements updated to fix any governor issues.
-Changed the starter auto cutoff to 25% N1. Some people were having issues being too slow to introduce fuel when starting.
-Fixed some FLT issues that were causing problems depending on how the fight was started.
-AC, map, and cabin light switches changed to horizontal and reversed for better manipulation.
-All screen glass materials adjusted for better visibility.|
-Fixed oil pressure range and accuracy.
-Fixed vertical speed gauge inaccuracies.

MSFS R66 v1.0.1 – 1/12/2024

-Added proper hangar description localization file.
-Fuel consumption fixed.
-Generator annunciator light fixed.
-Fixed the yoke/cyclic hider.
-Fixed the rotor blur of hubs.
-Fixed beacon light artifacts.

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MSFS R66 v1.0 – Initial Release 12/31/2023

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