SECTION5ROUTE NAVCopying RoutesCPA FunctionTo copy a route:1. Press R and use O to display the route catalog page.2. Use K to display the route to which you would like to copy to. The route must be empty.3. Press C twice and rotate K to select ‘copy?’. Press E.4. Use K to enter the route you would like to copy. The departure/arrival identifiers will bedisplayed for your reference. Press E to copy the route.The CPA function calculates the closest distance that a route will pass to a refer-ence waypoint, and helps when creating new route waypoints referenced to a NAVAID.To calculate the closest point of approach (CPA) from the route catalog page:1. Use K to display the route you would like to use for the CPA function. The route mustconsist of at least two waypoints, and the reference facility must fall between thewaypoints of a route leg.2. Press C twice and rotate K to select ‘cpa?’. Press E.3. Use K and O to enter the identifier of the reference waypoint.4. Press E. The bearing and distance of the closest point on the route will be displayed.5. Press E to add the cpa waypoint to the route, or \ to finish. If you do add the cpawaypoint to the route, it will be named based on the reference waypoint plus a number (0-9) added to the end (e.g., KMCI3 for KMCI). If the waypoint does not fall between way-points on the route, the reference waypoint does not exist or a unique name cannot beassigned to the CPA waypoint, you’ll be informed with the ‘Invald CPA wpt ____’ message.69Calculating closest point of approach.Closest point of approach to ‘TXK’.