An aircraft flight control device comprising a control lever associated with a body carrying: · a first plate connected to the body by a first pivot connection about a first axis; · a second plate connected to the first plate by a second pivot connection about a second axis that is substantially perpendicular to the first axis and that intersects it, the control lever being connected to the second plate by a third pivot connection about a third axis that is substantially perpendicular to the first and second axes, and that intersects them; · a first transmission shaft mounted to pivot relative to the body about a fourth axis and connected to at least one first control motor member outside the body; · a first connection mechanism connecting the control lever to the first transmission shaft in such a manner that pivoting of the control lever about the first axis causes the first shaft to pivot about the fourth axis, the first shaft and the first connection mechanism being connected to each other by a fifth pivot connection about a fifth pivot axis that is inclined relative to the first axis and to the fourth axis; · a second transmission shaft mounted to pivot relative to the body about a sixth axis and connected to at least one second control motor member outside the body; · a second connection mechanism connecting the control lever to the second transmission shaft in such a manner that pivoting of the control lever about the second axis causes the second shaft to pivot about the sixth axis, the second shaft and the second connection mechanism being connected to each other by a seventh pivot connection about a seventh axis that is inclined relative to the second axis and to the sixth axis; and · a platform connected to the body by an eighth pivot connection about an eighth axis, the second connection mechanism being pivotally mounted on the platform by a ninth pivot connection about the first axis and being pivotally mounted on the control lever by a tenth pivot connection about the first axis. · a first plate connected to the body by a first pivot connection about a first axis; · a second plate connected to the first plate by a second pivot connection about a second axis that is substantially perpendicular to the first axis and that intersects it, the control lever being connected to the second plate by a third pivot connection about a third axis that is substantially perpendicular to the first and second axes, and that intersects them; · a first transmission shaft mounted to pivot relative to the body about a fourth axis and connected to at least one first control motor member outside the body; · a first connection mechanism connecting the control lever to the first transmission shaft in such a manner that pivoting of the control lever about the first axis causes the first shaft to pivot about the fourth axis, the first shaft and the first connection mechanism being connected to each other by a fifth pivot connection about a fifth pivot axis that is inclined relative to the first axis and to the fourth axis; · a second transmission shaft mounted to pivot relative to the body about a sixth axis and connected to at least one second control motor member outside the body; · a second connection mechanism connecting the control lever to the second transmission shaft in such a manner that pivoting of the control lever about the second axis causes the second shaft to pivot about the sixth axis, the second shaft and the second connection mechanism being connected to each other by a seventh pivot connection about a seventh axis that is inclined relative to the second axis and to the sixth axis; and · a platform connected to the body by an eighth pivot connection about an eighth axis, the second connection mechanism being pivotally mounted on the platform by a ninth pivot connection about the first axis and being pivotally mounted on the control lever by a tenth pivot connection about the first axis.