Patent ID: 7382285

Claim:
A system for displaying aeronautical information, said system comprising: a central processing unit; a memory coupled to said central processing unit; and a display screen coupled to said central processing unit, said central processing unit being configured for executing the steps of: 1) receiving, from a user, a user-specified upper-threshold altitude; 2) receiving altitude-related information regarding one or more targets; 3) using said altitude-related information to identify one or more targets that have an altitude that is greater than said user-specified upper-threshold altitude; and 4) withholding from display on said display screen one or more of said one or more targets identified in said Step 3, wherein said central processing unit is further configured for: displaying said user-specified upper-threshold altitude on said display screen; displaying a lower-threshold altitude on said display screen; displaying a current filtering mode on said display screen, wherein said current filtering mode is selected from a group consisting of: look-up mode, look-down mode, and look level mode.