Navigational assist system

A navigational assist disk system comprising three entry determining elements and a means for attachment secured to one of said entry determining elements, said means for attachment removably securing the navigational assist disk system to the face of a distinct and separate navigational instrument forming a part of an aircraft and said means for attachment being selected from the group consisting of a suction cup and a static cling plastic, with two of the three entry determining elements being used to determine an advised entry procedure when the entry environment is a holding pattern and one of the three entry determining elements being used to determine an advised entry procedure when the entry environment is a runway traffic pattern, the three entry determining elements being moveably secured to one another by a means for securing so that each entry determining element is rotatably moveably with respect to the others, each of the entry determining elements comprising a reference element for alignment of a directional heading associated with the holding pattern or runway traffic pattern with said appropriate navigational instrument to determine an initial orientation of an aircraft and each entry determining element being divided into a plurality of entry determining sectors, with each entry determining sector being associated with an entry determining label, the proper entry designating sector with its associated entry determining label being displayed at the bottom of the entry determining element based on the initial orientation, thereby informing a user of the proper entry procedure for the entry environment based.