In KSP 0.90 (beta), command pods only provide SAS when a pilot is onboard. A probe command pod like the Stayputnik doesn't have a pilot aboard. I tried adding an SAS module to my Stayputnik probes, but this doesn't enable SAS. How does one get SAS working with a probe in KSP 0.90?

There's a similar but obsolete question about SAS on piloted vessels in a much earlier version of KSP. How to get SAS working in Kerbal Space Program

  • 2
    Maneuvering without SAS is less hard if you CAPS LOCK to switch between raw and fine steering.
    – mbx
    Dec 20, 2014 at 1:38

1 Answer 1


The inline reaction wheels provide rotation torque, but no automatic SAS functionality. This feature now has to be provided by the probe core itself. The Stayputnik as the most basic probe core doesn't have SAS capabilities. The first probe core which provides SAS is the Probodobodyne OKTO.

On a manned ship, you can get SAS capabilities by having a kerbal with the Pilot class on board.

  • Thank you! I had no idea why my second rocket couldn't SAS. Dec 31, 2014 at 7:36
  • It may be worth noting that more advanced probe cores offer more of the new SAS features (like prograde/retrograde hold, target alignment, etc.). Jan 3, 2015 at 22:35

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