CH-J3 Fly-By-Wire Avionics Hub

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CH-J3 Fly-By-Wire Avionics Hub
Part image
Stability Augmentation System by
C7 Aerospace Division
Cost (total) 5 200.00 Funds
Mass (total) 0.08 t
Drag 0.2
Max. Temp. 2400 K
Volume  ?
Impact Tolerance 9 m/s
Research Tech tree large control.png Specialized Control
Unlock cost 10 500 Funds
Since version 0.15
Part configuration avionicsNoseCone.cfg
SAS level 3

The CH-J3 Fly-By-Wire Avionics Hub is the only[outdated] standalone SAS module. Visibly designed for the nosecone of aircraft, it functions equally well in the vacuum of space.


Simply attach the CH-J3 and it adds automated stability capabilities to craft otherwise lacking SAS functions. This may be useful if the craft is crewed only with kerbonauts lacking the “Pilot” specialization.

Product description


Prior to version 1.0 the product description was:

The latest in research and developement enabled the development of this little marvel, The Sensor Array Computing Nose Cone. It is outfitted with many "quality" sensors and a computer salvaged from the highest quality aircraft scrap, enabling it to collect atmospheric data while in flight.


Originally the CH-J3 was called the Sensor Array Computing Nose Cone and served as a toggleable module that provided SAS functionality. This kept planes from spinning out of control.

In version 0.22, the workings of SAS (and “ASAS”) were changed and came to be built into each command modules. This made standalone SAS modules superfluous, and the part was repurposed as as a sensor for gathering science!

In version 1.0, the Atmospheric Fluid Spectro-Variometer was added to handle atmosphere analysis, and the addition of kerbonaut specializations made not every kerbal semi-capable of piloting. So it was restored to its original role as a SAS module and renamed.


  • Re-repurposed; is once again a standalone SAS module.
  • New model
  • Repurposed as an atmospheric sensor
  • (Undocumented) Mass reduced from 0.8 to 0.08
  • Initial release
  • Functions as standalone SAS module