US Patent 7152332 Navigational assist system

Disclosed is a navigational assist system to assist a pilot or other person in the entry into an entry environment, such as a holding pattern or runway traffic pattern. The navigational assist system is comprised of a plurality of entry determining elements moveably secured to one another upon which is placed information to assist in the entry into an entry environment. In one embodiment three entry determining elements are used, with the entry determining elements corresponding to the following: (i) one entry determining element for determination of the advised standard entry procedure for entry into a holding pattern; (ii) one entry determining element for determination of the advised non-standard entry procedure for entry into a holding pattern; and (iii) one entry determining element for determination of the advised entry procedure for entry into a runway traffic patterns.