A braking table system for mounting on a fixed structure in an aircraft cabin, the braking table system comprising: a rail mountable on the fixed structure; and a table assembly mounted on and selectively movable along the rail, the table assembly comprising a support deck engaged with the rail, a tabletop having a main tray portion and an arm portion that extends toward the rail from the main tray portion, wherein said tabletop is mounted on the support deck, and a braking mechanism carried by the support deck, wherein, the braking mechanism automatically engages the rail thereby preventing movement of the support deck relative to the rail, and, upon user action moving the tabletop relative to the support deck, the braking mechanism permits movement of the table assembly relative to the rail; wherein the table assembly is mounted on the rail for linear movement in a first direction, and linear movement in a second direction opposite the first direction, and wherein the braking mechanism comprises: a first brake arm and a first biasing element persistently biasing the first brake arm toward the rail, permitting movement of the table assembly in the second direction and, in the absence of user action moving the tabletop relative to the support deck, preventing movement of the table assembly in the first direction by engaging the rail; and a second brake arm and a second biasing element persistently biasing the second brake arm toward the rail, permitting movement of the table assembly in the first direction and, in the absence of user action moving the tabletop relative to the support deck, preventing movement of the table assembly in the second direction by engaging the rail; wherein the first brake arm extends diagonally toward the rail and in the first direction; and the second brake arm extends diagonally toward the rail and in the second direction; and wherein the tabletop comprises a longitudinally extending brake release bar extending downward from the lower surface of the tabletop at a proximal side of the arm portion adjacent the rail and extending in a space between the first brake arm and second brake arm, and, upon user action moving the tabletop relative to the support deck, the brake release bar disengages at least one of the first brake arm and second brake arm from the rail. a rail mountable on the fixed structure; and a table assembly mounted on and selectively movable along the rail, the table assembly comprising a support deck engaged with the rail, a tabletop having a main tray portion and an arm portion that extends toward the rail from the main tray portion, wherein said tabletop is mounted on the support deck, and a braking mechanism carried by the support deck, wherein, the braking mechanism automatically engages the rail thereby preventing movement of the support deck relative to the rail, and, upon user action moving the tabletop relative to the support deck, the braking mechanism permits movement of the table assembly relative to the rail; wherein the table assembly is mounted on the rail for linear movement in a first direction, and linear movement in a second direction opposite the first direction, and wherein the braking mechanism comprises: a first brake arm and a first biasing element persistently biasing the first brake arm toward the rail, permitting movement of the table assembly in the second direction and, in the absence of user action moving the tabletop relative to the support deck, preventing movement of the table assembly in the first direction by engaging the rail; and a second brake arm and a second biasing element persistently biasing the second brake arm toward the rail, permitting movement of the table assembly in the first direction and, in the absence of user action moving the tabletop relative to the support deck, preventing movement of the table assembly in the second direction by engaging the rail; a first brake arm and a first biasing element persistently biasing the first brake arm toward the rail, permitting movement of the table assembly in the second direction and, in the absence of user action moving the tabletop relative to the support deck, preventing movement of the table assembly in the first direction by engaging the rail; and a second brake arm and a second biasing element persistently biasing the second brake arm toward the rail, permitting movement of the table assembly in the first direction and, in the absence of user action moving the tabletop relative to the support deck, preventing movement of the table assembly in the second direction by engaging the rail; wherein the first brake arm extends diagonally toward the rail and in the first direction; and the second brake arm extends diagonally toward the rail and in the second direction; and wherein the tabletop comprises a longitudinally extending brake release bar extending downward from the lower surface of the tabletop at a proximal side of the arm portion adjacent the rail and extending in a space between the first brake arm and second brake arm, and, upon user action moving the tabletop relative to the support deck, the brake release bar disengages at least one of the first brake arm and second brake arm from the rail.