Ok Clive, open FSUIPC Registered,1) on " Axis Assignement" window click Rescan and move physically up and down the Pfc Spoiler lever.2) under Type of action required set button selection "send direct FSUIPC calibration "3) pop up the first window under and select "spoliers" and you have finish with this window.4) on "Joystik calibration" window press the selection arrow to visualize internal page 65) You should have the lower left quarter page called "spoilers" press set and move the lever again as you did in point (1)6) Check the box "REV" 7) Press OK and close the FSUIPC windowNow you should have the Pfc spoiler working !Happy Landing !MAX