Excessive Descent Rate Alert

SECTION 13

TAWS

The purpose of the Excessive Descent Rate (EDR) alert is to provide suitable notiﬁcation when the aircraft is deter- mined to be closing (descending) upon terrain at an excessive speed. Figure 13-8 shows the parameters for the alert as deﬁned by TSO-C151b.

	6000
	5500
	5000
(Feet)	4500
(Feet)	4000
Terrain	3500
Terrain	3000
Above	3000
	2500

Height	2000
Height	1500
	1500
	1000		"PULL UP"
	500
	0	4000	6000	8000	10000	12000
	2000	4000	6000	8000	10000	12000

Descent Rate (FPM)

Figure 13-8 Excessive Descent Rate Alert Criteria

13-8

GNS 530(A) Pilot’s Guide and Reference

190-00181-00 Rev. E

Page 212

Image 212

3D Connexion GNS 530(A) manual Excessive Descent Rate Alert

GNS 530(A) specifications

The 3D Connexion GNS 530(A) is a sophisticated avionics solution designed specifically for general aviation and business aviation environments. It serves as an influential tool for pilots, offering enhanced navigation and communication capabilities. This device is particularly popular among those operating in complex airspaces and those who require efficient flight planning and execution.

One of the standout features of the GNS 530(A) is its integrated GPS navigation system. This system provides accurate positioning and navigation data, utilizing high-sensitivity GPS technology that improves situational awareness and safety. The device displays a comprehensive moving map, enabling pilots to visualize their flight routes, airspace boundaries, and nearby airports easily. Furthermore, it utilizes WAAS (Wide Area Augmentation System) capabilities, enhancing the accuracy of GPS signals and allowing for precision approaches.

In addition to GPS functions, the GNS 530(A) integrates VHF communication capabilities. This function allows pilots to communicate effectively with air traffic control and other aircraft, ensuring smooth operations in busy airspace. The intuitive interface includes a large, high-resolution display that presents essential flight information, making it easy for pilots to monitor vital data at a glance.

Another significant characteristic of the GNS 530(A) is its ability to interface with other avionics and flight management systems. This connectivity streamlines the flow of information between systems, allowing pilots to access a broader range of functionalities and enhancing overall flight management. With features like flight plan creation and editing, pilots can easily adapt to changes in their route.

The device also incorporates advanced safety features, such as terrain awareness and warning systems (TAWS) and traffic information systems (TIS). These technologies provide real-time alerts, helping pilots avoid potential hazards and maintain safe distances from other aircraft.

The GNS 530(A) is renowned for its durability and reliability, meeting rigorous aviation standards. Its user-friendly design ensures that pilots with various skill levels can efficiently use its features, making it an invaluable tool for enhancing airborne operations. Overall, the 3D Connexion GNS 530(A) significantly contributes to the efficiency, safety, and enjoyment of flying, representing a vital component in modern aviation avionics.

Contents

GNS 530A Page Updated per Main SW Record of RevisionsRevision Date of Revision Description Initial Release Copyright Table of Contents MESSAGES, ABBREVIATIONS, GNS 530A Pilot’s Guide and Reference GNS 530A Pilot’s Guide and Reference Warranty Limited Warranty Blank Standard Package Section Introduction KEY and Knob Functions Left-hand Keys and Knobs Right-hand Keys and Knobs Bottom Row Keys Blank Direct-to Powering up the GNS Flight plan features Section IFR procedures SectionTakeoff Tour Overview Press the ENT Key Instrument Panel Self-testAcknowledging the database information Viewing the Checklists Setting fuel on board to full if not provided by sensor Satellite Status Viewing a system messageReturning to the previous page after viewing a message Press the MSG Key again Selecting COM and Vloc Frequencies Changing the standby communication frequencyChanging the standby Vloc frequency Placing the standby frequency in the active ﬁeld Groups NAV PagesGroups Selecting the desired NAV Selecting a direct-to destination MapDirect-to Navigation Press and hold the CLR Key Figure Default NAVSelecting the Default NAV NAV/COM Changing the data ﬁelds Selecting a communication or navigation frequency 22 Airport Window Selecting an approach, departure, or arrival IFR ProceduresTo display the Procedures Page -23, press the Proc Key Nearest Nrst Pages Displaying the Nrst pagesTurn the small right knob to select the desired Nrst Displaying a list of nearby airports Viewing additional information for a nearby airport Press the Direct-toKey Press the ENT Key Figure Nearest Nrst Airspace Viewing an airspace alert messagePress the MSG Key again to return to the previous display Viewing additional airspace information Flight Plans FPL Creating a new ﬂight plan Activating the new ﬂight plan 35 Flight Plan Catalog Page Menu Volume COM Window and TuningSquelch Section COM Selecting a COM frequency Standby Frequency Auto-Tuning Selecting a COM frequency for a nearby airport Selecting a COM frequency for any airport in the ﬂight plan Nearest Artcc Quickly tuning and activating Emergency ChannelStuck Microphone Selecting a COM frequency for any airport in the database Blank Main page Groups Section NAV PagesSelecting the desired page group from any Selecting the desired page within the group Default NAV NAV page Group Quickly selecting the Default NAV Page from any Adjusting the Map scale Selecting Desired On-Screen Data Selecting a different data item for any data ﬁeld Restoring Factory Settings Restoring all six data ﬁelds to factory default settingsEnabling or disabling the auto zoom feature Dual Unit Considerations MAP Selecting a map range Quickly decluttering the Map Display Map Detail Level Press the CLR Key to exit the information pages Map PanningSelecting the panning function and panning the Map Display Press the ENT Key to display an options menu Figure Map Direct-toAirspace Information on the Map Map Map SetupDisplaying the Map Page Menu Press the ENT Key to accept the selected option Figure To enable/disable automatic zoomChanging the map orientation Section NAV Pages Distance Measurements Adding Data Fields to the MapMeasuring bearing and distance between two points To turn the data ﬁelds off/on Restoring the factory default settings Clearing On-Screen Weather DataChanging a data ﬁeld Press the small right knob to remove the cursor Terrain Selectable Display SettingsTerrain Displaying a 120˚ view Changing the display rangeShowing or hiding aviation data Select the Terrain Page and press the Menu Key Inhibit Mode Terrain SymbolsInhibiting Terrain Enabling Terrain Taws Taws Press the ENT Key. The Taws system is functional again Inhibiting TawsEnabling Taws Taws Manual Test Taws SymbolsManually testing the Taws system NAV/COM Press the small right knob to activate the cursor To return to the NAV/COM Page, press the ENT Key Scrolling through the list of frequenciesViewing usage restrictions for a frequency Satellite Status Sky View GPS Receiver Status Using satellite data GPS Receiver Status MessagesShould be in view By an altitude serializer Press the Direct-toKey, followed by the ENT Key twice OverviewSection DIRECT-TO Navigation Selecting a Destination by Facility Name or City Selecting a direct-to destination by facility name or city Selecting a Destination from the Active Flight Plan Selecting a direct-to destination from the active ﬂight plan Selecting the Nearest Airport as a Direct-to Destination ShortcutsSelecting a nearby airport as a direct-to destination Selecting an on-screen waypoint as a direct-to destination Selecting a direct-to destination from the Map Selecting a Direct-to destination from the MapPress the Direct-to Key followed by the ENT Key twice Cancelling Direct-to Navigation Cancelling a direct-toSpecifying a Course to a Waypoint Manually deﬁning the direct-to course Flight Plan Catalog Section Flight Plans Flight Plan Editing Adding a waypoint to an existing ﬂight plan Deleting a waypoint from an existing ﬂight plan Changing the comment line for an existing ﬂight plan Activating Flight Plans Inverting Flight PlansActivating an existing ﬂight plan Activating an existing ﬂight plan in reverse order Copying Flight Plans Deleting Flight PlansCopying a ﬂight plan to another ﬂight plan catalog location Deleting a ﬂight plan Flight Plan Catalog Options 14 Crossﬁll GNS 530A Pilot’s Guide and Reference Deleting all ﬂight plans Sorting the catalog listing by number or comment Accessing the Active Flight Plan Menu Active Flight PlanActive Flight Plan Options Options shown in -1 are available for Active Flight Plan Active Flight Plan Page Menu Options Changing a data ﬁeld on the Active Flight Plan Activating a ﬂight plan along a speciﬁc leg 23 Active Flight Plan Page Menu With ‘Load?’ highlighted, press the ENT Key Selecting a departure for the departure airport 29 Active Flight Plan Page Menu Removing a waypoint using the CLR Key Press the CLR Key to display a conﬁrmation window Figure Reviewing a procedure while viewing a ﬂight plan Activating a speciﬁc leg of the active ﬂight planWith ‘Activate?’ highlighted, press the ENT Key Press the ENT Key to select the WPT Page Group Blank Section Procedures Press the Proc Key to display the Procedures Activating an approach ‘GPS’ Designations Activating the approach, with vectors to ﬁnal NON-PRECISION Approach Operations Approaches with Procedure Turns  NAV/COM Flying the Procedure Turn Refer to -12 for the following steps Turn to the ﬁnal approach course Fly the outbound courseRefer to -17 for the following steps   Flying the Missed Approach 23 ‘Hold Teardrop’ Annunciation     Flying an Approach with a Hold  Refer to -27 for the following steps 29 Approach Mode Refer to -29 for the following steps Flying a DME Arc Approach 31 Final Approach   36 Procedures Refer to -35 for the following steps 38 Approach Mode Refer to -38 for the following steps Selecting ‘VECTORS’ from the Transitions Window Activating vectors-to-ﬁnal from the ProceduresVectors to Final 42 Procedures Flying the Vectors Approach Refer to -46 for the following steps When approaching the FAF, a waypoint alertATC instructs the pilot to turn right to a heading Course From Fix Flight Plan Legs       50 Waypoint Alert, Default NAV PMD VOR 55 Waypoint Alert On selecting departures Departure runway in this example ILS Approaches 59 Waypoint Alert   Selecting an ILS Approach Acknowledge the message As mentioned, the Vloc receiver must beUsed for this approach. Press the ENT Key to Flying the ILS Approach   Refer to -68 for the following steps Turn to track the ILS approach course 70 CDI Scale Transition 72 Waypoint Alert Points to Remember for ALL Approaches Points to Remember for Localizer-based Approaches Localizer frequency must be active to use Vloc guidance Blank Quickly selecting a WPT WPT page GroupSection WPT Pages Turn the large right knob to select the next character ﬁeld Entering a waypoint identiﬁerEntering a waypoint facility name or city location Duplicate Waypoints First Facility for Charlotte Airport Location Selecting a waypoint identiﬁer from a list of duplicates Airport Location Page Options Elevation In feet or metersRadar Radar coverage Yes or No Selecting an Airport Location Page Menu Option Airport Runway Displaying information for each additional runway Selecting an Airport Runway Page Menu Option Adjusting the range of the map imageAirport Runway Page Options Airport Frequency 14 111.55 Highlighted Atis Asos Awos To return to the Airport Frequency Page, press the ENT Key Airport Approach Airport Frequency Page OptionsSelecting an Airport Frequency Page Menu Option Scrolling through the available approaches and transitions Airport Approach Page Options 20 Approach Window Scrolling through the available arrivals Airport ArrivalLoading an approach from the Airport Approach 24 Arrivals Window Loading an arrival procedure from the Airport Arrival Airport DepartureAirport Arrival Page Options Scrolling through the available departures Press the ENT Key. The cursor moves to the runway ﬁeld Loading a departure procedure from the Airport DepartureAirport Departure Page Options Intersection NDBFollowing descriptions and abbreviations are used Freq Frequency in kilohertz kHz VOR Selecting a VOR frequency from the VOR User Waypoint Creating User Waypoints Press the ENT Key to accept the selected position Press the small right knob to remove the ﬂashing cursor Creating User Waypoints from the Map Capturing and saving the present position as a user waypoint Modifying User Waypoints 42 Position Field Selected User Waypoint Page Options Viewing a list of all user waypoints User Waypoint List Press the small right knob to return to the User WaypointDeleting a user waypoint Select the User Waypoint List, as described in this section Renaming a user waypoint from the User Waypoint List Deleting a user waypoint from the User Waypoint List Deleting all user waypoints from memory 50 User Waypoint List Page Menu Blank Quickly selecting a Nrst Nrst page GroupSection Nrst Pages Nearest FSS Nearest Airport Navigating to a Nearby Waypoint Frequency Moved to Active Field Nearest Intersection Desired Airport Highlighted Nearest NDB Nearest VOR Quickly tuning a VOR’s frequency from the nearest VOR Viewing additional information for a nearby VOR Nearest Center Artcc Nearest User Waypoint Nearest Flight Service Station FSS 20 FSS Field Selected Press the MSG Key again to return to the previous Nearest AirspaceShows ‘Inside of airspace’ Viewing additional details for an airspace Listed on the Nearest Airspace Press the COM Flip-ﬂopKey to activate the selected frequency See Chart Surface Prohibited RestrictedTraining Unspeciﬁed Ident Audio and Volume Vloc Window and TuningSection Vloc Receiver To select a VOR/localizer/ILS frequency Vloc Ident Window To select a Vloc frequency from the VOR Page or Nearest VOR Tuning the Vloc when an approach is active Frequency Highlighted on Nrst VOR CDI Key Highlight ‘Load?’ AUX page Group Section AUX PagesQuickly selecting an AUX Turn the small right knob to select the desired AUX Following menu options are available Flight PlanningSelecting a menu option from the Flight Planning 10-3 Flight Planning Page Fuel Planning Performing fuel planning operations Flight Planning Page Trip Planning Performing trip planning operations Flight Planning Page Density Alt/TAS/Winds Calculating density altitude, true airspeed, and winds aloft Flight Planning Page Scheduler Entering a scheduled message Flight Planning Page Crossﬁll Editing a scheduled messageﬂashing cursor highlights the ﬁrst message ﬁeld Deleting a scheduled message 10-9 Utility 15 Utility Selecting a menu option from the Utility 16 Trip Statistics Utility Page Checklists Creating a checklist Executing a checklist Editing a checklistInserting a checklist step into an existing checklist Deleting a checklist or all checklists Utility Page Flight Timers Copying a checklistSorting the checklists by name or entry Viewing, using, or resetting the generic timer Recording or resetting the departure time Viewing, using, or resetting total trip time Resetting trip statistics readouts Utility Page Trip StatisticsUtility Page Raim Prediction Predicting Raim availability Utility Page Software Versions Utility Page Database Versions Setup Utility Page Terrain Database Versions Selecting a menu option from the Setup 29 Units/Position Raim Protection Auto oceanic ±5.0 nm or Auto Enroute±0.3 nm or Auto Approach For example, if the buffer is set at 500 feet, Setup Page CDI/Alarms 31 Restricted Alarm Window Setup Page CDI Scale/Alarms Changing the maximum CDI scale Setting the arrival alarm and alarm distance Changing the ILS CDI scale Changing the units of measure Setup Page Units/PositionSetting the magnetic variation Changing the position format Displaying the map datumMgrs Military Grid Reference System Press the ENT Key to accept the selected format Setup Page Date/Time Setting the local timeDisplaying local time or UTC Press the ENT Key to accept the selected offset Setup Page Display Backlight Setup Page Nearest Airport CriteriaSetting the minimum runway length and runway surface Changing the backlighting intensity Abbreviation Data Type Setup Page Data Field ConﬁgurationConﬁguring the Auxiliary Data Field With ‘Restore Defaults?’ highlighted, press the ENT Key Setup Page COM ConﬁgurationSetting the COM channel spacing 10-30 Press the Vnav key Section Vertical NavigationDisplaying the Vertical Navigation Creating a vertical navigation proﬁle Target Altitude Selected 11-3 Restoring the factory default Vnav settings Disabling/enabling the vertical navigation Vnav messages System must have a valid 3-D GPS position solution IntroductionOperating Criteria Limitations Baro-Corrected Altitude Using TerrainTerrain Alerting Unlighted Obstacle Altitude When an alert is issued, visual annunciations are displayed Terrain Alerts Alert Type Annunciation Pop-Up Alert Terrain Failure None Terrain Inhibited Terrain Not Available Shows system status annunciations that may also be issued Alert Type Premature Descent Alerting Is displayed in the Terrain annunciator ﬁeld Terrain Failure Alert Terrain not Available Alert General Database Information Database Versions Database Updates Terrain/Obstacle Database Areas of CoverageUpdating terrain/obstacle databases Database Coverage Area Taws Alerting Section Taws Using Taws 1000’ AGL Taws Alerts Taws Annunciation Field Indicates the default conﬁguration RTC Warning Pop-Up Alert Aural Message Phase of FlightForward Looking Terrain Avoidance Taws Inhibit Functional again Excessive Descent Rate Alert Negative Climb Rate After Takeoff Alert NCR Negative Climb Rate NCR Alert Criteria Taws Failure Alert ‘FIVE-HUNDRED’ Aural AlertTaws not Available Alert Database Information for Taws 13-12 TIS Operation Traffic Information Service TIS InterfaceSection Additional Features Above the requesting aircraft Figure TIS Operational ProceduresTIS Limitations 14-3 Trafﬁc Type TIS SymbologyTIS Audio Alerting Trafﬁc TIS Trafﬁc data is displayed on the Trafﬁc Page Figure Trafﬁc Coasting Banner Age Indicator TIS Trafﬁc Display Status and Pilot Response Trafﬁc Warning Window 10 ‘Standby’ Message Changing the display range on the Trafﬁc Trafﬁc Page Display Range‘TA’ annunciation Thumbnail Trafﬁc on Map Conﬁguring TIS trafﬁc on the MapTA only Only trafﬁc advisories are displayed on the Map Displaying Thumbnail Trafﬁc on the Map Highlighting TIS Trafﬁc Using Map Page Panning Power-Up TestActivating the panning feature and panning the map display GTX 330 has failed Flight Procedures Manual OverrideAfter Landing Press the ENT Key to conﬁrm Weather Data Link Interface Introduction Weather Products Nexrad DescriptionNexrad Abnormalities Nexrad Limitations Nexrad Intensity Display DBZ Rain Snow Source of Nexrad Echo Requesting Nexrad Data Requesting Nexrad data from the Data Link Follow the preceding steps 4 Data Received Message GDL 49 OnlyRequesting Nexrad data from the Map Customizing Nexrad Data on the Weather To display Nexrad Data on the WeatherPress the small right knob Customizing the Nexrad data on Weather Pattern Customizing Nexrad Data on the MapCustomizing the Map Request Shortcuts Three methods of selecting the Airport Location Sending Position Reports GDL 49 Only Data Link Request Log Page GDL 49 OnlyViewing the Data Link Request Log Data Link Request Log Page is displayed Figure Select the Data Link Page from the AUX Page Group Requesting Graphical MetarsRequesting graphical Metars from the Data Link Metar Request Page has the following user- selectable ﬁelds Displaying graphical Metars on the NAV Weather Requesting graphical or textual Metars from the MapSelect the Map Displaying graphical Metars on the NAV Weather Displaying the Weather Legend Weather LegendDisplaying Textual Metars Displaying Temperature/Dewpoints Displaying Wind Data View the Data Link Status TroubleshootingMonitoring the Data Link During power-up ‘ ’Has been lost ‘Data Link has Standard Aviation Forecast Abbreviations ‘SatelliteView’ Quality is ‘0’ Metar Graphics METARsGraphics Ceiling and Visibility Flight Rules Blank Unknown WindsWind Speed Temperature Dewpoints Temp Dewpoint Display Ranges 14-32 Detection and Exclusion Fault DetectionFault Detection Exclusion PRE-DEPARTURE Verification of FDE Terminal and En Route Area Navigation Rnav Operations’ Messages Messages ABBREVIATIONS, & NAV Terms COM transmitter power has been reduced FPL is full remove unnecessary waypoints Data transfer cancelled crossﬁll is busyData transfer cancelled version mismatch Nm of an arrival airport, when an approach is loaded Not receiving input data on 429 Channel Select appropriate frequency for approach Unit conﬁguration has changed The GNS Persists, contact a Garmin dealer for assistance Abbreviations Fpm Feet LocalizerGlideslope Lrg Large Gallons Liters Heading Millibars of Pressure Inches of Mercury Med Medium Procedures PowerTotal Air Temperature Temperature ALT altitude Height above mean sea level MSL Expressed as a horizontal position error in feet or metersNavigation Terms 16-13 16-14 Appendix a Data Card USE To insert the NavData or Terrain Data card Figure A-2 To remove the NavData or Terrain data card Figure A-2 Figure A-3 Swing Arm Handle Operation Unit Weight Pounds installed 3.9 kg TemperatureUpdate Rate Once per second, continuous Accuracy Unit Size 25’W x 11.00’D x 4.60’H Appendix B Specifications What is RAIM, and how does it affect approach operations? Appendix C MAP Datums Can I ﬁle slant Golf ‘/G’ using my GPS? What does the OBS key do and when do I use it? Annunciator How do I ﬂy the GPS with an autopilot and DG heading bug? Figure C-4 ‘SUSP’ Annunciation Enroute/Oceanic When does the CDI scale change, and what does it change to?ﬂashing turn advisory ‘TURN to ###’ CDI Comparison GPS vs. VOR Index GPS Map orientation 3-10 Index Index Blank Page 503.391.3411 f

SECTION 13