Helicopter and method for displaying a visual information associated to flight parameters to an operator of an helicopter

There is described an aircraft (1, 1¹, 1¹¹, 1¹¹¹), comprising a windscreen (50, 50', 50", 50"') arranged in a front side of aircraft (1, 1¹, 1¹¹, 1¹¹¹), characterized in that an edge (55) of windscreen (50, 50', 50", 50¹¹¹) defines a visualization area (49) visible by an operator, and by comprising displaying means (58) configured for displaying at least one visual information (20, 25) of at least one flight parameter within visualization area (49), at least when aircraft (1, 1¹, 1¹¹, 1¹¹¹) is in a normal flight configuration.