Garmin GNC 420W Pilots Guide - Page 105
Course From Fix Flight Plan Legs, Default NAV s 6-62 and 6-63.
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SECTION 6 PROCEDURES Course From Fix Flight Plan Legs Certain approach, departure, and arrival procedures in the Jeppesen database contain course from fix flight plan legs. The GNC 420 is able to load these legs into the flight plan along with the rest of the procedure data, and provide navigation along these legs. There are three different types of course from fix legs: • Course from fix to distance, or Course from fix to DME distance • Course from fix to altitude • Course from fix to manual sequence Course from fix to distance legs appear in the flight plan like normal waypoints, but the destination name always begins with a 'D', followed by a distance in nm from the waypoint fix (Figure 6-60). Figure 6-60 Active Flight Plan Page Palmdale (CA) AF Plant 42 VOR/DME or GPS Rwy 25 DO NOT USE FOR NAVIGATION Figure 6-61 KPMD Approach This example uses the VOR/DME RWY 25 approach into Palmdale, California (KPMD) and includes a teardrop course reversal (refer to Figure 6-61 for the following steps). 1) At the initial approach fix (PMD), a waypoint alert ('NEXT DTK 070°') appears in the lower right corner of the screen. As the distance to the IAF approaches zero, the alert is replaced by a turn advisory ('TURN TO 070°'). Dial the outbound course into the CDI (or HSI) using the OBS knob. 2) Fly the 'course from fix to distance' leg, as shown on the Active Flight Plan Page and the Default NAV Page (Figures 6-62 and 6-63). Note the magenta line in Figure 6-63, which represents the currently active leg of the approach. The distance (DIS) displayed is TO the 'D13.0' point. The flight plan automatically sequences to the next leg upon reaching 'D13.0'. 190-00140-20 Rev. K GNC 420(A) Pilot's Guide and Reference 6-21