Thrustmaster T818 User Manual page 28

Option: mounting in a cockpit
The Desk Mounting Kit can also be installed in a
cockpit, if the cockpit's shelf can be tilted.
Use these screws included with the Desk Mounting Kit
to attach the base to the cockpit's shelf. Three
configurations of screws are possible, depending on
your cockpit.
You don't need to use the brackets.
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