Pilots Guide
Page 4
... of any revision to other software versions. or its subsidiaries. K ii GNC 420(A) Pilot's Guide and Reference Printed in this manual to this manual onto a hard drive or other Garmin products. Garmin hereby grants permission to be reproduced, copied, transmitted, disseminated, downloaded or stored... and other electronic storage medium to download a single copy of this manual and of Garmin. Garmin International, Inc., 1200 East 151st Street, Olathe, Kansas 66062 USA p: 913.397.8200 f: 913.397.8282 Garmin AT, Inc., 2345 Turner Road SE, Salem, Oregon 97302 USA ...
... of any revision to other software versions. or its subsidiaries. K ii GNC 420(A) Pilot's Guide and Reference Printed in this manual to this manual onto a hard drive or other Garmin products. Garmin hereby grants permission to be reproduced, copied, transmitted, disseminated, downloaded or stored... and other electronic storage medium to download a single copy of this manual and of Garmin. Garmin International, Inc., 1200 East 151st Street, Olathe, Kansas 66062 USA p: 913.397.8200 f: 913.397.8282 Garmin AT, Inc., 2345 Turner Road SE, Salem, Oregon 97302 USA ...
Pilots Guide
Page 7
During flight operations, carefully compare indications from the GNC 420 to all aspects of the GNC 420 Pilot's Guide documentation and the Flight Manual Supplement. CLEANERS CONTAINING AMMONIA WILL HARM THE ANTI-REFLECTIVE COATING. CAUTION: The Garmin GNC 420 does not contain any questions or would like additional information, please refer to skin oils, waxes, and abrasive cleaners. Unauthorized...
During flight operations, carefully compare indications from the GNC 420 to all aspects of the GNC 420 Pilot's Guide documentation and the Flight Manual Supplement. CLEANERS CONTAINING AMMONIA WILL HARM THE ANTI-REFLECTIVE COATING. CAUTION: The Garmin GNC 420 does not contain any questions or would like additional information, please refer to skin oils, waxes, and abrasive cleaners. Unauthorized...
Pilots Guide
Page 13
Prior to using the COM Power/Volume Knob at the top left corner of the GNC 420's major features. Sections 2 through 12 of this manual describe these sections, as part of the NAV Page Group. Refer to these features and others in additional detail. ...8226; Using some suggested reading within this Pilot's Guide includes: • Flight plan features - SECTION 1 INTRODUCTION 1.3 Takeoff Tour Overview The Garmin GNC 420 provides the pilot accurate navigational data and communication capability, along with the basics, some limited flight plans In addition, this section briefly covers the...
Prior to using the COM Power/Volume Knob at the top left corner of the GNC 420's major features. Sections 2 through 12 of this manual describe these sections, as part of the NAV Page Group. Refer to these features and others in additional detail. ...8226; Using some suggested reading within this Pilot's Guide includes: • Flight plan features - SECTION 1 INTRODUCTION 1.3 Takeoff Tour Overview The Garmin GNC 420 provides the pilot accurate navigational data and communication capability, along with the basics, some limited flight plans In addition, this section briefly covers the...
Pilots Guide
Page 14
... Page Once the database has been acknowledged, the Instrument Panel Self-test Page appears (Figure 1-6). To ensure that the GNC 420 and any connected instruments are working properly, check for approved instrument approach operations. half left/no flag • Time to...which automatically provide these figures. Database information highlighted in yellow indicates the database is available inside the GNC 420 package. The NavData database is updated every 28 days and must be manually entered if the installation does not include connection to destination - 4 minutes • Desired track...
... Page Once the database has been acknowledged, the Instrument Panel Self-test Page appears (Figure 1-6). To ensure that the GNC 420 and any connected instruments are working properly, check for approved instrument approach operations. half left/no flag • Time to...which automatically provide these figures. Database information highlighted in yellow indicates the database is available inside the GNC 420 package. The NavData database is updated every 28 days and must be manually entered if the installation does not include connection to destination - 4 minutes • Desired track...
Pilots Guide
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See Section 11 of this manual for nearest (NRST) airports or other facilities. NOTE: The NRST Page Group may have eight or nine NAV pages available when the GNC 420 installation includes connection to the NAV Page Group, additional page groups are used for waypoint information (WPT), auxiliary (...such as described in -flight navigation. Selecting the desired NAV Page: Turn the small right knob until the desired page is displayed. 1-10 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. NAV Pages There are seven pages available under the NAV Page Group*: • Default ...
See Section 11 of this manual for nearest (NRST) airports or other facilities. NOTE: The NRST Page Group may have eight or nine NAV pages available when the GNC 420 installation includes connection to the NAV Page Group, additional page groups are used for waypoint information (WPT), auxiliary (...such as described in -flight navigation. Selecting the desired NAV Page: Turn the small right knob until the desired page is displayed. 1-10 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. NAV Pages There are seven pages available under the NAV Page Group*: • Default ...
Pilots Guide
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... indicates whether the aircraft is the Default NAV Page (Figure 3-3). This page may have eight or nine NAV pages available when the GNC 420 installation includes connection to make vertical navigation settings. Active Leg of Flight Plan TO/FROM Flag Course Deviation Indicator (CDI) Position of ...up arrow) the waypoint or FROM the waypoint (down arrow). 3-2 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. Other pages are defined by pressing and holding the CLR Key. The pilot may also manually select the desired scale setting as indicated at the center of Pages in...
... indicates whether the aircraft is the Default NAV Page (Figure 3-3). This page may have eight or nine NAV pages available when the GNC 420 installation includes connection to make vertical navigation settings. Active Leg of Flight Plan TO/FROM Flag Course Deviation Indicator (CDI) Position of ...up arrow) the waypoint or FROM the waypoint (down arrow). 3-2 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. Other pages are defined by pressing and holding the CLR Key. The pilot may also manually select the desired scale setting as indicated at the center of Pages in...
Pilots Guide
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Figure 4-13 CRS (Course) Field Highlighted 4-6 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. K Manually defining the direct-to course: 1) Press the Direct-to Key. 2) Use the small and large right knobs to select the destination waypoint. 3) Press the ENT ...-to select the desired course (Figure 4-14) and press the ENT Key. SECTION 4 DIRECT-TO NAVIGATION Specifying a Course to a Waypoint When performing a direct-to, the GNC 420 sets a direct great circle course to Key, followed by the ENT Key twice.
Figure 4-13 CRS (Course) Field Highlighted 4-6 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. K Manually defining the direct-to course: 1) Press the Direct-to Key. 2) Use the small and large right knobs to select the destination waypoint. 3) Press the ENT ...-to select the desired course (Figure 4-14) and press the ENT Key. SECTION 4 DIRECT-TO NAVIGATION Specifying a Course to a Waypoint When performing a direct-to, the GNC 420 sets a direct great circle course to Key, followed by the ENT Key twice.
Pilots Guide
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...press the ENT Key. 'Auto' automatically transfers the active flight plan or Direct-to selection to another 400/500-series Garmin unit, without user intervention. 4) If 'Manual' is selected, a second field appears to the immediate right of the user waypoint to be done automatically. For additional ...a new flight plan, as described previously in this section. • 'Invert & Activate FPL?' - Some crossfill operations can be transferred. 5-6 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. K option from the Flight Plan Catalog Page Menu (Figure 5-13) and press the ENT Key.
...press the ENT Key. 'Auto' automatically transfers the active flight plan or Direct-to selection to another 400/500-series Garmin unit, without user intervention. 4) If 'Manual' is selected, a second field appears to the immediate right of the user waypoint to be done automatically. For additional ...a new flight plan, as described previously in this section. • 'Invert & Activate FPL?' - Some crossfill operations can be transferred. 5-6 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. K option from the Flight Plan Catalog Page Menu (Figure 5-13) and press the ENT Key.
Pilots Guide
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...Page, note that automatic sequencing of approach waypoints is required, use the OBS Key to give guidance along the final approach course continues. The GNC 420 continues to initiate the missed approach sequence, as mentioned previously in the lower right corner. 13) After crossing the MAP, 'SUSP' appears... page. The dashed line is displayed in magenta (the active leg of the final course segment (FAF to MAP) until the pilot manually initiates the missed approach procedure (as outlined, beginning on the CDI and Default NAV Page, but course guidance along an extension of the...
...Page, note that automatic sequencing of approach waypoints is required, use the OBS Key to give guidance along the final approach course continues. The GNC 420 continues to initiate the missed approach sequence, as mentioned previously in the lower right corner. 13) After crossing the MAP, 'SUSP' appears... page. The dashed line is displayed in magenta (the active leg of the final course segment (FAF to MAP) until the pilot manually initiates the missed approach procedure (as outlined, beginning on the CDI and Default NAV Page, but course guidance along an extension of the...
Pilots Guide
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...DO NOT USE FOR NAVIGATION Figure 6-33 Approach Mode Figure 6-34 Waypoint Alert 12) At 2.0 nm from the FAF (DEPOY intersection), the GNC 420 switches from 1.0 to Figure 6-33 for the following steps. 11) When approaching BODRY intersection, a waypoint alert ('NEXT DTK 209°') ...appears in Section 5.2. Refer to 0.3 nm, full scale deflection. 6-12 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. K CDI scaling is tightened from terminal mode to manually suspend waypoint sequencing before crossing the holding pattern using the steps described in the lower ...
...DO NOT USE FOR NAVIGATION Figure 6-33 Approach Mode Figure 6-34 Waypoint Alert 12) At 2.0 nm from the FAF (DEPOY intersection), the GNC 420 switches from 1.0 to Figure 6-33 for the following steps. 11) When approaching BODRY intersection, a waypoint alert ('NEXT DTK 209°') ...appears in Section 5.2. Refer to 0.3 nm, full scale deflection. 6-12 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. K CDI scaling is tightened from terminal mode to manually suspend waypoint sequencing before crossing the holding pattern using the steps described in the lower ...
Pilots Guide
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...or as the last waypoint in a flight plan (Figure 6-38). DO NOT USE FOR NAVIGATION Figure 6-37 Enroute Mode NOTE: As this manual was being written, the letter/number DME arc names were being replaced with 'D258G' as the IAF (refer to Figure 6-37 for the following steps... the radial the waypoint lies on. From the Transitions Window, select 'D258G' as the first letter in the waypoint name. Figure 6-39 Procedures Page 6-14 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. This is followed by 'D' as the IAF. Either of the arc. SECTION 6 PROCEDURES Flying a DME ...
...or as the last waypoint in a flight plan (Figure 6-38). DO NOT USE FOR NAVIGATION Figure 6-37 Enroute Mode NOTE: As this manual was being written, the letter/number DME arc names were being replaced with 'D258G' as the IAF (refer to Figure 6-37 for the following steps... the radial the waypoint lies on. From the Transitions Window, select 'D258G' as the first letter in the waypoint name. Figure 6-39 Procedures Page 6-14 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. This is followed by 'D' as the IAF. Either of the arc. SECTION 6 PROCEDURES Flying a DME ...
Pilots Guide
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The GNC 420 is able to distance' leg, as shown on the Active Flight Plan Page and the Default NAV Page (Figures 6-62 and ... 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 the IAF approaches zero, the alert is TO the 'D13.0' point. The flight plan automatically sequences to Figure 6-...into Palmdale, California (KPMD) and includes a teardrop course reversal (refer to the next leg upon reaching 'D13.0'. 190-00140-20 Rev. K GNC 420(A) Pilot's Guide and Reference 6-21
The GNC 420 is able to distance' leg, as shown on the Active Flight Plan Page and the Default NAV Page (Figures 6-62 and ... 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 the IAF approaches zero, the alert is TO the 'D13.0' point. The flight plan automatically sequences to Figure 6-...into Palmdale, California (KPMD) and includes a teardrop course reversal (refer to the next leg upon reaching 'D13.0'. 190-00140-20 Rev. K GNC 420(A) Pilot's Guide and Reference 6-21
Pilots Guide
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...Plan Page, the Default NAV Page (Figure 6-71), and the Map Page is now on the 'course from fix to manual sequence' leg. Course from fix to manual sequence legs appear on the Active Flight Plan Page and the Map Page with 'man seq' in place of the screen...(Barnes Municipal). Figure 6-70 Runway Window 2) When departing the airfield, 'NEXT DTK 026°' appears in the lower right corner of a waypoint identifier. K GNC 420(A) Pilot's Guide and Reference 6-25 Refer to Section 6.1 for instructions on the Active Flight Plan Page and the Default NAV Page: COASTAL ONE DEPARTURE (CSTL1...
...Plan Page, the Default NAV Page (Figure 6-71), and the Map Page is now on the 'course from fix to manual sequence' leg. Course from fix to manual sequence legs appear on the Active Flight Plan Page and the Map Page with 'man seq' in place of the screen...(Barnes Municipal). Figure 6-70 Runway Window 2) When departing the airfield, 'NEXT DTK 026°' appears in the lower right corner of a waypoint identifier. K GNC 420(A) Pilot's Guide and Reference 6-25 Refer to Section 6.1 for instructions on the Active Flight Plan Page and the Default NAV Page: COASTAL ONE DEPARTURE (CSTL1...
Pilots Guide
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...selecting an AUX page: 1) From any of the main pages are already displayed, this manual for more information. See Section 11 of this step may have five AUX pages available when the GNC 420 installation includes connection to select the AUX Page Group (Figure 9-3). 'AUX' appears in ... Utility Setup 1 Setup 2 Figure 9-1 AUX Pages NOTE: The AUX Page Group may be skipped. K GNC 420(A) Pilot's Guide and Reference 9-1 SECTION 9: AUX PAGES 9.1 AUX Page Group Section 3.1 introduced the GNC 420's main page groups (Table 9-1)-NAV, WPT, AUX, NRST-and described each page in the lower right ...
...selecting an AUX page: 1) From any of the main pages are already displayed, this manual for more information. See Section 11 of this step may have five AUX pages available when the GNC 420 installation includes connection to select the AUX Page Group (Figure 9-3). 'AUX' appears in ... Utility Setup 1 Setup 2 Figure 9-1 AUX Pages NOTE: The AUX Page Group may be skipped. K GNC 420(A) Pilot's Guide and Reference 9-1 SECTION 9: AUX PAGES 9.1 AUX Page Group Section 3.1 introduced the GNC 420's main page groups (Table 9-1)-NAV, WPT, AUX, NRST-and described each page in the lower right ...
Pilots Guide
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...displays current fuel conditions along the active direct-to -point between two 400/500-series Garmin units in a dual-unit installation. Allows the pilot to -point between two specified ...not use a timer, but also point-to or flight plan. The pilot may also manually enter fuel flow, ground speed (GS) and (in this menu option determines winds aloft ...conditions, including indicated altitude (IND ALT), barometric pressure (BARO), and total air temperature (TAT; K GNC 420(A) Pilot's Guide and Reference 9-3 See Section 5.1, Flight Plan Catalog Options and information following menu options...
...displays current fuel conditions along the active direct-to -point between two 400/500-series Garmin units in a dual-unit installation. Allows the pilot to -point between two specified ...not use a timer, but also point-to or flight plan. The pilot may also manually enter fuel flow, ground speed (GS) and (in this menu option determines winds aloft ...conditions, including indicated altitude (IND ALT), barometric pressure (BARO), and total air temperature (TAT; K GNC 420(A) Pilot's Guide and Reference 9-3 See Section 5.1, Flight Plan Catalog Options and information following menu options...
Pilots Guide
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.... K Once the waypoint's identifier is automatically provided by number. Figure 9-15 Trip Planning Page, Flight Plan Leg 9-6 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. Fuel flow and fuel on board is manually entered. To change the leg mode, press the MENU Key to select the desired flight plan (already stored...
.... K Once the waypoint's identifier is automatically provided by number. Figure 9-15 Trip Planning Page, Flight Plan Leg 9-6 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. Fuel flow and fuel on board is manually entered. To change the leg mode, press the MENU Key to select the desired flight plan (already stored...
Pilots Guide
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... transfer, a manual transfer can also be seen in the active flight plan of (or any change in the other unit. Figure 9-24 Transfer Field Highlighted 190-00140-20 Rev. When a unit is also be done on the other . Transferring flight plans or user waypoints to a second 400/500-series Garmin unit. Turn..., a change to) a direct-to destination or active flight plan to /from a second 400/500-series unit: 1) Select 'Crossfill' from that unit. K Figure 9-25 Transfer Window GNC 420(A) Pilot's Guide and Reference 9-9
... transfer, a manual transfer can also be seen in the active flight plan of (or any change in the other unit. Figure 9-24 Transfer Field Highlighted 190-00140-20 Rev. When a unit is also be done on the other . Transferring flight plans or user waypoints to a second 400/500-series Garmin unit. Turn..., a change to) a direct-to destination or active flight plan to /from a second 400/500-series unit: 1) Select 'Crossfill' from that unit. K Figure 9-25 Transfer Window GNC 420(A) Pilot's Guide and Reference 9-9
Pilots Guide
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...viewing in photocell (at the top left -hand side of the display bezel) to adjust the display for use in the data field. 9-28 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. NOTE: 8.33 kHz VHF communication frequency channel spacing is available which uses a built-in ... '0 feet (or meters)' for runway length and 'any condition. If the GNC 420 is displayed in the data field on the Nearest Airport Page. A minimum runway length and/or surface type may also select manual control of the display contrast and backlighting of appropriate surface, from being displayed....
...viewing in photocell (at the top left -hand side of the display bezel) to adjust the display for use in the data field. 9-28 GNC 420(A) Pilot's Guide and Reference 190-00140-20 Rev. NOTE: 8.33 kHz VHF communication frequency channel spacing is available which uses a built-in ... '0 feet (or meters)' for runway length and 'any condition. If the GNC 420 is displayed in the data field on the Nearest Airport Page. A minimum runway length and/or surface type may also select manual control of the display contrast and backlighting of appropriate surface, from being displayed....
Pilots Guide
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... of this section. 2) Turn the large right knob to select the desired level. Turn the small right knob to select the desired mode: Auto or Manual. Figure 9-75 Contrast Mode Field Highlighted 3) Turn the small right knob to select the desired mode: Auto or... the backlight level field. Press the ENT Key to accept the selection. 4) If 'Manual' is selected, the flashing cursor moves to the contrast level field. Press the ENT Key to accept the selection. 190-00140-20 Rev. K GNC 420(A) Pilot's Guide and Reference 9-29 Press the ENT Key to accept the selection. Press...
... of this section. 2) Turn the large right knob to select the desired level. Turn the small right knob to select the desired mode: Auto or Manual. Figure 9-75 Contrast Mode Field Highlighted 3) Turn the small right knob to select the desired mode: Auto or... the backlight level field. Press the ENT Key to accept the selection. 4) If 'Manual' is selected, the flashing cursor moves to the contrast level field. Press the ENT Key to accept the selection. 190-00140-20 Rev. K GNC 420(A) Pilot's Guide and Reference 9-29 Press the ENT Key to accept the selection. Press...
Pilots Guide
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...aid in reducing controlled flight into terrain (CFIT). See the 400-series Installation Manual (190-00140-02) for navigation or to maneuver to situational awareness. Garmin accurately processes and cross-validates the data but cannot guarantee the accuracy and completeness ...10.1 Introduction Garmin TERRAIN is based on terrain elevation information in the TERRAIN databases comes from government agencies. The displayed alerts are equipped with appropriate hardware upgrades. Terrain information is a non-TSO-C151b-certified terrain awareness system incorporated into GNC 420 units to...
...aid in reducing controlled flight into terrain (CFIT). See the 400-series Installation Manual (190-00140-02) for navigation or to maneuver to situational awareness. Garmin accurately processes and cross-validates the data but cannot guarantee the accuracy and completeness ...10.1 Introduction Garmin TERRAIN is based on terrain elevation information in the TERRAIN databases comes from government agencies. The displayed alerts are equipped with appropriate hardware upgrades. Terrain information is a non-TSO-C151b-certified terrain awareness system incorporated into GNC 420 units to...