Apparatus and method to indicate instrument saturation

[0032]Reference will now be made in detail to the embodiments of the present general inventive concept, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. The embodiments are described below in order to explain the present general inventive concept while referring to the figures.

[0033]The present general inventive concept, as illustrated in FIG. 1, provides a navigational apparatus 1 having a readout 10 to display guidance cues to a pilot to indicate a plurality of factors related to whether an aircraft is on course or off course with respect to a desired navigational course. The navigational apparatus 1 has a plurality of inputs 20 and 30 to receive information such as, but not limited to, navigation and position information. A controller 40 performs a plurality of processes including comparing the navigation information and position information to yield a signal to a user and / or other apparatus, e.g