Garmin GNC 420W Pilots Guide - Page 86

GNC 420(A) Pilot’s Guide and Reference

SECTION 6

PROCEDURES

6-2

5)

Turn the large

right

knob to highlight ‘Load?’

or ‘Activate?’ (approaches only) and press the

ENT

Key.

‘Load?’ adds the procedure to the

flight plan without immediately using it for

navigation guidance.

This allows the pilot to

continue navigating the original flight plan, but

keeps the procedure available on the Active

Flight Plan Page for quick activation when

needed.

6)

For precision approaches and some non-

precision approaches, a reminder window

appears indicating that GPS guidance on

such approaches is strictly for monitoring only.

Use an external VOR/ILS receiver and CDI (or

HSI) for primary navigation.

To confirm this

reminder, highlight ‘Yes?’ and press the

ENT

Key.

Not all approaches in the database are approved for

GPS use.

When selecting an approach, a ‘GPS’

designation

to the right of the procedure name (Figure 6-4) indicates

the procedure can be flown using the GPS receiver.

Some

procedures do not have this designation, meaning the

GPS receiver may be used for supplemental navigation

guidance only.

ILS approaches, for example, must be

flown by tuning an external VLOC receiver to the proper

frequency and coupling the VLOC receiver to the external

CDI (or HSI).

Figure 6-4

‘GPS’ Designations

Once an approach is selected, it may be activated

for navigation from the

Procedures Page.

Activating the

approach overrides the ‘enroute’ portion of the active

flight plan, proceeding directly to the ‘approach’ portion

(for a full approach, directly to the initial approach fix).

Activating the approach also initiates automatic CDI

scaling transition as the approach progresses.

Activating an approach:

1)

Press the

PROC

Key to display the Procedures

Page (Figure 6-5).

2)

Turn the large

right

knob to highlight ‘Activate

Approach?’ (Figure 6-5) and press the

ENT

Key.

Figure 6-5

Procedures Page

3)

A confirmation widow will appear (Figure 6-6).

With ‘Yes?’ highlighted, press the

ENT

Key.

Figure 6-6

Confirmation Window

190-00140-20

Rev. K

Section	Page
SECTION 1: INTRODUCTION	9
1.1 Accessories and Packing List	9
1.2 Key and Knob Functions	10
1.3 Takeoff Tour	13
SECTION 2: COM	29
2.1 Communicating Using the GNC 420	29
SECTION 3: NAV PAGES	35
3.1 Main Page Groups	35
3.2 NAV Page Group	36
3.3 Default NAV Page	36
3.4 Map Page	39
3.5 TERRAIN Page	49
3.6 NAV/COM Page	52
3.7 Position Page	54
3.8 Satellite Status Page	57
3.9 Vertical Navigation Page	59
SECTION 4: DIRECT-TO NAVIGATION	63
4.1 Overview	63
SECTION 5: FLIGHT PLANS	69
5.1 Flight Plan Catalog Page	69
5.2 Active Flight Plan Page	76
SECTION 6: PROCEDURES	85
6.1 Approaches, Departures, and Arrivals	85
6.2 Non-Precision Approach Operations	87
6.3 Points to Remember for All Approaches	110
SECTION 7: WPT PAGES	111
7.1 WPT Page Group	111
7.2 Airport Location Page	114
7.3 Airport Runway Page	115
7.4 Airport Frequency Page	116
7.5 Airport Approach Page	118
7.6 Airport Arrival Page	121
7.7 Airport Departure Page	123
7.8 Intersection Page	124
7.9 NDB Page	125
7.10 VOR Page	125
7.11 User Waypoint Page	126
SECTION 8: NRST PAGES	135
8.1 NRST Page Group	135
8.2 Nearest Airport Page	138
8.3 Nearest Intersection Page	140
8.4 Nearest NDB Page	140
8.5 Nearest VOR Page	141
8.6 Nearest User Waypoint Page	141
8.7 Nearest Center (ARTCC) Page	142
8.8 Nearest Flight Service Station (FSS) Page	143
8.9 Nearest Airspace Page	144
SECTION 9: AUX PAGES	149
9.1 AUX Page Group	149
9.2 Flight Planning Page	150
9.3 Utility Page	160
9.4 Setup 1 Page	168
9.5 Setup 2 Page	175
SECTION 10: TERRAIN	181
10.1 Introduction	181
10.2 TERRAIN Page	183
10.3 TERRAIN Alerts	184
10.4 Database Information for TERRAIN	189
SECTION 11: ADDITIONAL FEATURES	191
11.1 Traffic Information Service (TIS)	191
11.2 GTS 8XX Traffic Systems	201
11.3 Weather Data Link Interface	208
SECTION 12: FAULT DETECTION AND EXCLUSION	227
12.1 Detection and Exclusion	227
12.2 Pre-Departure Verification of FDE	228
SECTION 13: MESSAGES, ABBREVIATIONS, AND NAV TERMS	229
13.1 Messages	229
13.2 Abbreviations	236
13.3 Navigation Terms	239
Appendix A: Data Card Use	241
Appendix B: Specifications	243

Garmin GNC 420W Pilots Guide - Page 86

right, Activating an approach,

Page 86 highlights