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Evolution Autopilot ACU Software

Evolution Autopilot ACU Software

Software download and update information for the Raymarine Evolution Autopilot ACU:

  • Applicable for: ACU100/ACU150/ACU200/ACU300/ACU400
  • Software Version: v3.04 & v3.12 (Hardware dependant software version)
  • Release Date: April 2020
  • Additional Notes: The Autopilot requires recalibrating after the update is complete, refer to Software Update Information section below.

Retired & Legacy MFD Downloads

MFDDownload Link
G SeriesDownload Here
E WideDownload Here
C WideDownload Here
E ClassicDownload Here
A ClassicDownload Here

Important Terms of downloading software

Firmware update processes are done at your own risk. Before initiating the update process be sure to backup and make copies of all important files.

If the firmware process is interrupted your product may not function properly, therefore do not interrupt the process and ensure the unit is on a reliable power supply. Damage caused by incomplete upgrades will not be covered by Raymarine warranty.

By Downloading the software, you agree to these terms.

Software history


VersionRelease DateFeatures
v3.04 & 3.12Apr 2020
  • Corrects poor steering performance without a rudder refernce transducer

Please Note: This only affects Evolution Pilot systems with the Actuator Control Unit (ACU) at v3.11 software level and is operating without a Rudder Reference Transducer installed.

It does not affect autopilots that have a Rudder Reference Transducer installed.

It does not affect earlier ACUs with v3.04 or lower software levels.

It does not affect the EV2 Drive by Wire Autopilot system.

It does not affect the ACU300system.

v3.04 & 3.11Nov 2019
  • Changes to the Rudder Damping levels. Increased at the top levels
  • New hardware Variants
v2.23Apr 2017
  • Initial Release for the ACU150
v2.17May 2016
  • Note:
    • The EV-1 MUST also be upgraded to v2.17 or higher
    • The EV-1 must also be upgraded FIRST
    • The P70/P70R must be upgraded to v3.05 or higher
  • ACU300 Solenoid drive steering improvements to reduce helm oscillation & over activity
  • Joystick Operation improvements
  • NMEA2000 improvements
v1.13Dec 2015
  • Corrects a communications issue on STng when a Mercury Gateway is also connected onto the same bus for Engine Data onto an MFD. This could cause the Evolution Pilot to report the error message "Drive Stopped" or "No Pilot"
v1.12July 2015
  • The new software rectifies a steering performance issue where some sail boat users have experienced degraded steering performance in Auto mode while sailing up or down wind in gusty medium to heavy wind and sea conditions. The degraded performance is more prone to occur if sailing with a large amount of standing helm due to increasing weather helm. 

    The software change only effects Pilots set to Drive Type Linear or Rotary (mechanical drive units).
v1.10Sept 2014
  • Improved SeaTalkng bus address claim handling
  • Rudder dampening changed to give higher dead band on ACU300
v1.06Feb 2014
  • Hydro-Balance™ 
  • Now prevents the Pilot from disengaging when typically connected to a third party product on NMEA2000 causing the CCU to transmit its product information message more than once
  • Hydraulic Drive Type is now selectable in Pilot Dockside Commissioning and updated in the ACU
v1.002013
  • INITIAL RELEASE


Open Source GPL/LGPL

Some Raymarine products contain software code developed by third parties that are covered by open source GPL and LGPL software license agreements. You can view the third party license agreements by visiting the Manuals section of our website.

To access the open source GPL and LGPL licensed executables click here

Software Update Information and Instructions for Evolution Autopilot ACU

Info: a/c/e/eS/gS Download - This download now contains the following additional product updates: Pilots – Evolution ACU, Evolution CCU, p70

Note: The included R4 pilot software requires recalibration of the autopilot once complete. 

Before You Update

Warning  a/c/e/eS/gS Series - Updating via a/c/e/eS/gS Series display. MFD software must be at level v13.37 and above

Warning  G Series - Updating via G Series system. System software must be at level v4.49 and above

Warning  Pilot System - You must update EV Sensor before updating your ACU