A blade angle feedback assembly for a rotor of an aircraft engine, the rotor rotatable about an axis and having rotor blades rotatable about respective spanwise axes to adjust a blade pitch angle thereof, the assembly comprising: a feedback device configured to be coupled to rotate with the rotor and to move along the axis with adjustment of the blade pitch angle, the feedback device comprising a plurality of position markers circumferentially spaced around the feedback device, the feedback device comprising a root surface having a first edge (302 1) and a second edge (302 2) opposite the first edge (302 1), the plurality of position markers extending away from the root surface; a plurality of sensors (212, 212 A, 212 B) positioned adjacent the feedback device and each sensor (212, 212 A, 212 B) configured for producing a sensor signal in response to detecting passage of the plurality of position markers as the feedback device rotates about the axis, the plurality of sensors (212, 212 A, 212 B) circumferentially spaced around the feedback device and comprising a first sensor (212 A) and at least one second sensor (212 B); and a control unit communicatively coupled to the plurality of sensors (212, 212 A, 212 B) and configured to generate a feedback signal indicative of the blade pitch angle in response to the sensor signals received from the plurality of sensors (212, 212 A, 212 B), wherein the control unit is configured for receiving a plurality of sensor signals from the plurality of sensors (212, 212 A, 212 B) as the feedback device is moved along the axis, characterised in that: the plurality of sensors (212, 212 A, 212 B) are axially offset along the axis, the first sensor (212 A) positioned adjacent the first edge (302 1) and the at least one second sensor (212 B) positioned adjacent the second edge (302 2), and a position of each sensor (212, 212 A, 212 B) along the axis relative to the first and second edges (302 1, 302 2) is selected to minimize a reading error of the sensor signal at the first and second edges (302 1, 302 2) of the feedback device; and the control unit is configured for processing the plurality of sensor signals to generate a combined sensor signal having minimized reading error, and generating the feedback signal based on the combined sensor signal. a feedback device configured to be coupled to rotate with the rotor and to move along the axis with adjustment of the blade pitch angle, the feedback device comprising a plurality of position markers circumferentially spaced around the feedback device, the feedback device comprising a root surface having a first edge (302 1) and a second edge (302 2) opposite the first edge (302 1), the plurality of position markers extending away from the root surface; a plurality of sensors (212, 212 A, 212 B) positioned adjacent the feedback device and each sensor (212, 212 A, 212 B) configured for producing a sensor signal in response to detecting passage of the plurality of position markers as the feedback device rotates about the axis, the plurality of sensors (212, 212 A, 212 B) circumferentially spaced around the feedback device and comprising a first sensor (212 A) and at least one second sensor (212 B); and a control unit communicatively coupled to the plurality of sensors (212, 212 A, 212 B) and configured to generate a feedback signal indicative of the blade pitch angle in response to the sensor signals received from the plurality of sensors (212, 212 A, 212 B), wherein the control unit is configured for receiving a plurality of sensor signals from the plurality of sensors (212, 212 A, 212 B) as the feedback device is moved along the axis, the plurality of sensors (212, 212 A, 212 B) are axially offset along the axis, the first sensor (212 A) positioned adjacent the first edge (302 1) and the at least one second sensor (212 B) positioned adjacent the second edge (302 2), and a position of each sensor (212, 212 A, 212 B) along the axis relative to the first and second edges (302 1, 302 2) is selected to minimize a reading error of the sensor signal at the first and second edges (302 1, 302 2) of the feedback device; and the control unit is configured for processing the plurality of sensor signals to generate a combined sensor signal having minimized reading error, and generating the feedback signal based on the combined sensor signal.