Assisted-navigation instrument for an aircraft

The instrument has right and left display devices (R1, R2) provided with horizontal and vertical rows of color LEDs (D2) for indicating a right-left inclination angle of wings of an aircraft (1) with respect to the horizontal at left side or right side of the aircraft, respectively, where resolution of the inclination angle to be displayed is plus or minus 1 with respect to a position in which the wings of the aircraft extend horizontally. The display devices extend vertically with respect to a fascia (2) of the aircraft and remote from one another.