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To copy a route:
1. Use
K
to display the route you would like to copy TO (the route must be empty).
2. Press
C
and use
O
to highlight the action field.
3. Use
K
to select ‘copy?’. Press
E
.
4. Use
K
to enter the route you would like to copy. The departure/arrival identifiers will be
displayed for your reference. Press
E
to copy the route.
The CPA function calculates the closest distance that a route will pass a reference
waypoint, and is helpful when creating new route waypoints referenced to a NAVAID.
To calculate the closest point of approach (CPA) for any route:
1. Use
K
to display the route you would like to use for the CPA function. The route must
consist of at least two waypoints, and the reference facility must fall between the way-
points of a route leg.
2. Press
C
and use
O
to highlight the action field.
3. Use
K
to select ‘cpa?’. Press
E
.
4. Use
K
and
O
to enter the identifier of the reference waypoint.
5. Press
E
. The bearing and distance of the closest point on the route will be displayed.
6. Press
E
to add the cpa waypoint to the route, or
\
to finish. If you do add the cpa
waypoint to the route, it will be named based on the reference waypoint plus a number
(0...9) added to the end (e.g. KMCI3, etc.). If the waypoint does not fall between way-
points on the route, the reference waypoint does not exist, or a unique name cannot be
assigned to the CPA waypoint, you’ll be informed with a ‘Invald CPA wpt ____’ message.
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DIRECT-TO & ROUTE NAV
Copying Routes/CPA
NORTH
TXK
KDAL
KLIT
TXKO
327°
26.7 nm
Calculating closest point of approach.
Closest Point of Approach.
155man (GOOD) 7/24/98 1:57 PM Page 54