SL-00048 RV-12 Roomier Control Stick Allows the optional retrofit of a “roomier” control stick to RV-12/12iS aircraft with the original WD-1212 control stick Download this file Changelog 10/21/2022 Revision 1: Updated to cover all RV-12 and RV-12iS aircraft 08/27/2021 Initial internal-only release, covering RV-12iS SLSA aircraft only