Theaircraftwasequippedwithdualcontrols.
Flights areledbyinstructorswho, ofcourse, havedualcontrols.
When youspeakto theinstructor, makesurehiscarhasdualcontrols.
I wouldn'tevenattempttoteachsomeone todrivein avehiclewithoutdualcontrols.
She wasoncein acarwithoutdualcontrolswhen thelearnerlostcontrolof thecar.