Ultrasonic inspection equipment comprising: a data storage unit for storing a waveform of an ultrasonic wave received by an array-probe ultrasonic sensor; a computer for image processing, the computer generating three-dimensional ultrasonic inspection data of a target from the waveform recorded by the data storage unit; and a three-dimensional display unit for displaying three-dimensional shape data of the target read from the outside of the computer into the computer and/or created by an inspector on the three-dimensional display screen and the three-dimensional ultrasonic inspection data; wherein the computer includes position correction means for correcting a relative display position of the three-dimensional shape data and that of the three-dimensional ultrasonic inspection data; and the position correction means is adapted to: - move a position at which the three-dimensional ultrasonic inspection data is displayed or a position at which the three-dimensional shape data is displayed by a motion vector, and to - then display the three-dimensional shape data and the three-dimensional ultrasonic inspection data on the three-dimensional display unit in such a manner as to be superimposed on each other, wherein the motion vector is calculated as an average of: - a certain vector defined by a first reference point selected in the three-dimensional ultrasonic inspection data and by a corresponding reference point selected in the three-dimensional shape data, and - another vector which is defined similarly from a reference point other than said first selected point. a data storage unit for storing a waveform of an ultrasonic wave received by an array-probe ultrasonic sensor; a computer for image processing, the computer generating three-dimensional ultrasonic inspection data of a target from the waveform recorded by the data storage unit; and a three-dimensional display unit for displaying three-dimensional shape data of the target read from the outside of the computer into the computer and/or created by an inspector on the three-dimensional display screen and the three-dimensional ultrasonic inspection data; wherein the computer includes position correction means for correcting a relative display position of the three-dimensional shape data and that of the three-dimensional ultrasonic inspection data; and the position correction means is adapted to: - move a position at which the three-dimensional ultrasonic inspection data is displayed or a position at which the three-dimensional shape data is displayed by a motion vector, and to - then display the three-dimensional shape data and the three-dimensional ultrasonic inspection data on the three-dimensional display unit in such a manner as to be superimposed on each other, wherein the motion vector is calculated as an average of: - a certain vector defined by a first reference point selected in the three-dimensional ultrasonic inspection data and by a corresponding reference point selected in the three-dimensional shape data, and - another vector which is defined similarly from a reference point other than said first selected point. - move a position at which the three-dimensional ultrasonic inspection data is displayed or a position at which the three-dimensional shape data is displayed by a motion vector, and to - then display the three-dimensional shape data and the three-dimensional ultrasonic inspection data on the three-dimensional display unit in such a manner as to be superimposed on each other, - a certain vector defined by a first reference point selected in the three-dimensional ultrasonic inspection data and by a corresponding reference point selected in the three-dimensional shape data, and - another vector which is defined similarly from a reference point other than said first selected point.