Garmin GNC 300XL TSO User Manual

GNC 300XLPilot’s Guide and Reference300xl manual 1/25/99 2:34 PM Page i

MThe message key is used to view system messages and to alert you toimportant warnings and requirements. This key is also used to access theGNC 300XL’

GPS APPROACH EXAMPLESIn the examples that follow, the GPS waypoints are shown along the approachpath. In some cases, intermediate database waypoints h

EXAMPLE 1— GPS ONLY APPROACHExample 1 uses the GPS approach into Frederick Municipal Airport (KFDK) andillustrates the basic sequence of selecting and

EXAMPLE 2 – VOR/GPS OVERLAY APPROACHExample 2 uses the VOR/GPS RWY 19 approach into Kansas City DowntownAirport (KMKC) from the south and illustrates

EXAMPLE 3 – VOR/DME ARC OVERLAY APPROACHExample 3 uses the VOR/DME RWY 21 approach into Topeka/Forbes Field Airport(KFOE) and illustrates an approach

6. Monitor your distance and bearing from the DME navaid along the arc. 7. The external CDI course deviation needle will begin to center as you approa

EXAMPLE 4— RADAR VECTORS TO FINAL APPROACH COURSEExample 4 uses the same VOR/DME RWY 21 approach into Topeka/Forbes FieldAirport (KFOE) used in Exampl

The Jeppesen database used in the GNC 300XL features standard terminalarrival routes (STARs) and standard instrument departures (SIDs) that may beplac

The SID select page also allows you to review all the available SIDs for the depar-ture airport and select, delete or change the active SID.To replace

Standard Terminal Arrival Routes (STARs) used in the GNC 300XL are selectedand activated with the same procedures as SIDs. Available STARs may be sele

The STAR select page also allows you to review all available STARs for the destina-tion airport and select, delete or change the active STAR.To replac

The GARMIN GNC 300XL is a powerful navigational tool that provides pilots with accuratenavigational data and communication capability, along with alon

100SECTION7UNIT SETTINGSMessagesSettings SubmenusTo access the settings submenu pages, press andhold the M key for two seconds. The GNC300XL will retu

101SECTION7UNIT SETTINGSMap PageSetupThe GNC 300XL’s map page is designed to be a flexible tool that can be custom-tailored to your navigation needs.

102SECTION7UNIT SETTINGSMap PageSetupThe map setup page also allows you to control whether or not the various way-point types and the identifiers for

103SECTION7UNIT SETTINGSMap Page SetupCDI SettingsTo enable/disable airspace boundaries on the map:1. Press and hold M, then rotate Oto select the ‘MA

104SECTION7UNIT SETTINGSMagnetic VariationArrival AlarmThe GNC 300XL has threemagnetic variation options:true, auto, or user-defined.To set the magnet

105SECTION7UNIT SETTINGSNearest AirportsBattery SaverTo set the minimum runway length and runway surface:1. Press and hold Mand use Oto display the ‘N

106SECTION7UNIT SETTINGSDisplay SettingsTo change the display contrast settings:1. Press and hold Mand rotate Oto show the ‘Display’ settings page.2.

107SECTION7UNIT SETTINGSBacklightingTrip TimerThe backlight intensity settings control the backlighting level and allow for auto-matic adjustment usin

108SECTION7UNIT SETTINGSUnits of MeasureThe GNC 300XL can be configured to display data in standard or metric units ofmeasure. These apply to: distanc

109SECTION7UNIT SETTINGSSUA SettingsAltitude BufferThe Special Use Airspace settings page will allow you to turn the controlled/restricted airspace me

The satellite status page shows the ID numbers forthe satellites and the relative signal strength ofeach satellite received. Turn the K knob to viewad

110SECTION7UNIT SETTINGSMap DatumsThe NavData card contains over 100 map datums for you to use when navigating.By default, your unit calculates positi

111SECTION7UNIT SETTINGSI/O SettingsThe last page available under the GNC 300XL’s setup menu is the I/O setup page.The I/O setup page lets you configu

Appendix ANavData®and User Data Installation/OperationThe NavData card supplied with your GNC 300XL can be installed or removedwhen the GNC 300XL is o

To restore user data from a user data card to the GNC 300XL:1. Install the user data card.2. Rotate Oto highlight ‘Restore user data?’.3. Press E.The

114APPENDIXBINSTALLATION &MAINTENANCEAppendix BInstallation, Removal and Maintenance of the GNC 300XLThe aviation rack is designed to allow easy r

115APPENDIXCSIMULATOROperating mode pageSelecting the simulator mode.Appendix CThe GNC 300XL’s simulator mode allows you to plan and practice flights

116APPENDIXCSIMULATOREntering an initial position reference.Database confirmation pageTo enter an initial position reference by waypoint identifier:1.

Altitude input fail - The altitude serializer input is not available forthe GNC 300XL. Check the I/O settings and/orthe serializer installation. If e

Cannot ofst goto rte - An attempt has been made to engage offset navi-gation feature while the GNC 300XL is navigatingusing a single waypoint route.

Invald CPA wpt _____ - The closest point of approach cannot be createdfrom the waypoint entered on the CPA Page.This occurs when the computed point d

While the GNC 300XL is acquiring a position, let’s take a minute to dial in theactive and standby frequencies you’ll be using for the first phase of y

Offset nav cancelled - Offset navigation has been cancelled due to adirect-to operation or modification of theactive route.Offset nav in effect - Of

Remote ENT key stuck - The remote ENT key is stuck in the ‘pressed’state. Check the installation.Remote XFR key stuck - The remote XFR key is stuck

SUA ahead < 10 min - The projected course and current speed willtake you inside an SUA within the next 10minutes.SUA near & ahead - Your posi

APPENDIXDMESSAGES &ABBREVIATIONS123This section of Appendix D provides a complete list of GNC 300XL abbreviations andtheir meanings.ALT- AltitudeA

APPENDIXDMESSAGES &ABBREVIATIONS124ILS- Instrument Landing SystemIG- Imperial GallonsINT- Intersection WaypointJET A- Jet Fuel - Type AJET B- Jet

APPENDIXDMESSAGES &ABBREVIATIONS125RNWY- RunwayRSTCD- RestrictedRSV- ReservesRTE- RouteRX- Receive OnlySAR- Search And RescueSEC- SecondsSEQ- Seq

APPENDIXESPECIFICATIONS126Whenever the GNC 300XL is connected to theoptional remote battery pack and power from themaster switch is lost, the unit wil

MAP DATUMSAPPENDIXFAppendix FMap Datums127ADINDAN Ethiopia, Mali, Senegal,SudanAFGOOYE SomaliaAIN EL ABD 1970 Bahrain Island, Saudi ArabiaANNA 1 ASTRO

APPENDIXFMAP DATUMS128LUZON PHILIPPINES Philippines (excluding Mindanao Isl.)MAHE 1971 Mahe IslandMARCO ASTRO Salvage IslandsMASSAWA Eritrea (Ethiopia

Appendix GTroubleshooting Q & AThe GNC 300XL is a precision navigation instrument that offers a wide array ofperformance navigation features. The

The map page combines a moving map displayand navigation data for complete situationalawareness.TAKEOFF TOURPosition PageThe navigation communications

Why aren’t there any approaches available for my route?Approaches are only available when the final route waypoint or direct-to destina-tion is an air

What does the GPS APR switch do? What is ‘arming’ an approach?The GPS APR switch must be set to the ARM position for an approach to enter theactive ph

When should I switch from HOLD to AUTO, and what happens when I do?Once you are ready to resume automatic waypoint sequencing, you must set thedesired

When does turn anticipation begin, and what bank angle is expected?The GNC 300XL will smooth adjacent leg transitions based upon a nominal 15ºbank ang

What is the correct missed approach procedure? How do I select the missedapproach holding point?To comply with TSO specifications, the GNC 300XL will

135APPENDIXHAppendix HIndexAAbbreviations . . . . . . . . . . . . . . . . . 123-125Accessory list . . . . . . . . . . . . . . . . . . . . . . iiiActiv

136APPENDIXHINDEXDirect-to key . . . . . . . . . . . . . . . . . vii, 5, 63Direct-to navigation . . . . . . . . . . . . 5, 62-64Display contrast. . .

137APPENDIXHINDEXNAV menu 2 . . . . . . . . . . . . . . 4, 11, 28-32NAVCOM page . . . . . . . . . . . 4, 8, 11, 17-18NavData cards . . . . . . . . . .

138APPENDIXHINDEXTTable of contents . . . . . . . . . . . . . . . . . . v-viTime . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Transfer key

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The GNC 300XL uses direct point-to-point navigation to guide you from takeoffto touchdown in the IFR environment. Once a destination is selected, the

© 1999 GARMIN CorporationGARMIN International, Inc., 1200 East 151st Street Olathe, KS 66062GARMIN (Europe) LTD, Unit 5, The Quadrangle, Abbey Park I

CDI page with ‘trk’ and ‘eta’ displayed.TAKEOFF TOURCDI & Map PagesCDI page with ‘brg’ and ‘trk’ displayed.In addition to the destination field an

The map display occupies the right side of the display. Your present position is indi-cated by a plane symbol (in track up mode) or a position diamon

The map display has 14 available ranges from 0.5 to 300 (nautical miles, statute milesor kilometers) representing the vertical height of the map. The

Once a direct-to is activated, the CDI page will provide navigation to the destina-tion until the direct-to is cancelled or another direct-to destinat

300xl manual 1/25/99 2:34 PM Page ii

To review a nearest waypoint, highlight the identi-fier and press E.To select a nearest waypoint as a direct to destina-tion, press D and E.Once the n

Section 1 Navigation KeyThe GNC 300XL features seven navigation pages to provide various position,course, speed, status and planning information. The

The TO/FROM arrow indicates whether you areheading to (an up arrow) the waypoint or ifyou’ve passed the waypoint (a down arrow).‘No active waypoint’ a

The following functions may be displayed in the ground speed field:• gs— Your present speed over the ground.• str— Steer direction and distance, or

To change any of the selectable fields on the CDI page:1. Press Ctwice to activate the cursor in the GPS window.2. Rotate Oto highlight the field you

The next page available from the GNC 300XL’s Nkey is the map page. Themap page displays your present position, using an airplane symbol (in track up m

To select a map scale:1. Rotate the Kknob clockwise to increase the map scale and show a larger area.2. Rotate the Kknob counterclockwise to decrease

17SECTION1NAV KEYNAVCOM PageThe next page available from the GNC 300XL’s Nkey is the navigation commu-nications (NAVCOM) page. The NAVCOM page provide

18SECTION1Once you begin viewing restrictions, you can view any additional frequencies forthe selected airport by rotating K. (Note: An arrow prompt d

19SECTION1Position page displaying MSA. MSA and ESA arebased on data stored in the NavData card. Thisinformation cannot be solely relied upon as anabs

iINTRODUCTIONForewordThis manual is written for software version 2.04 or above, and is not suitable for earlier software versions.© 1999 GARMIN Corpor

20Position page displaying ‘TOP’ VOR as the refer-ence waypoint. This configuration can be used tohelp monitor your distance and radial from awaypoint

21SECTION1NAV KEYSatellite Status PageSatellite status page with ‘DOP’ displayed.Dilution of Precision (DOP) measures relativeaccuracy from 1 to 10.Th

22SECTION1NAV KEYReceiver Status &Satellite DataViewing individual satellite information.Poor Cvrge- The GNC 300XL cannot acquire sufficient sate

23SECTION1NAV KEYNAV Menu 1Trip PlanningIn addition to the other five pages, the GNC 300XL features two menu pages toperform a host of planning and na

24SECTION1NAV KEYDensity Altitude &True AirspeedFuel planning page showing calculation from pre-sent position to ‘KDAL’.Density altitude/true airs

25SECTION1NAV KEYNAV Menu 1Fuel PlanningTo perform fuel planning operations:1. Press Nand rotate Ountil NAV Menu 1 is displayed.2. Press Ctwice and ro

26SECTION1NAV KEYWinds Aloft &VNAV FunctionsWinds aloft pageVertical navigation pageThe GNC 300XL’s winds aloft function is used to calculate the

27SECTION1NAV KEYNAV Menu 1VNAV & ChecklistsYou will now notice that the vertical speed has been calculated, based on your present speed. If you d

28SECTION1NAV KEYChecklistsApproach TimerNAV Menu 2Executing a checklist.To execute a checklist:1. Press Nand rotate Ountil NAV Menu 1 is displayed.2.

29SECTION1NAV KEYClock FunctionTrip TimerWhen the count down timer reaches zero, you will be informed with a ‘Timerexpired’ message. The timer will th

CAUTIONThe Global Positioning System is operated by the United States government,which is solely responsible for its accuracy and maintenance. The sys

30SECTION1NAV KEYRAIM PredictionEnter the time and date for RAIM prediction.RAIM available for the entered time, date andwaypoint location.The RAIM Pr

31SECTION1NAV KEYNAV Menu 2SchedulerThe scheduler function will display reminder messages (such as ‘Change oil’, ‘Switchfuel tanks’, ‘Overhaul’, etc)

32SECTION1NAV KEYSunrise/SunsetCalculationsSunrise/sunset planning page showing UTC (Zulu)sunrise and sunset times for ‘KROG’.The GNC 300XL’s sunrise/

33SECTION2COMM FEATURESOverviewSection 2Communicating with the GNC 300XLThe GNC 300XL features a digital VHF radio that provides a seamless transition

34SECTION2COMM FEATURESOverviewAuto-TuningTo auto-tune from the nearest airport page, press E.To select a frequency from a list, highlight thedesired

35SECTION2COMM FEATURESSquelch & VolumeEmergency ChannelThe GNC 300XL’s automatic squelch and volume controls are located at thebottom left of the

36SECTION3WPT KEYOverviewSection 3 Waypoint and Database InformationThe GNC 300XL uses a Jeppesen NavData® card to provide position and facilityinform

37SECTION3WPT KEYWaypoint Categories& Menu PageThe waypoint menu page allows you to select thedesired waypoint type (or category).The airport posi

38SECTION3WPT KEYEntering WaypointsAfter a waypoint category is selected, information for a waypoint may be viewedby entering the identifier or name o

39SECTION3WPT KEYAirport InformationIf the city or facility name information is too longto fit the screen, the name will scroll across thepage every f

Accessories & Packing ListCongratulations on choosing the finest, most advanced panel mount IFR GPSCOM available. The GNC 300XL represents GARMIN’

40SECTION3WPT KEYAirport PagesThe GNC 300XL features six airport pages:airport identification— allows entry of desired airport by identifier, facility

41SECTION3WPT KEYAirportPosition Page1 2 3654The airport position page displays the latitude, longitude and elevation of theselected airport, as well

42SECTION3WPT KEYAirport ProceduresPageThe airport procedures page displays all the available approaches, SIDs andSTARs at any selected airport in the

The airport communication page displays the radio frequencies and usage forthe selected airport, as well as sector and altitude restrictions.To view t

Airport runway page for KICT.To view additional runways, rotate the K knob inthe direction of the arrow prompts.SECTION3WPT KEYAirportRunway Page44The

VOR position page showing co-located TACANfacility and weather broadcast.VOR identification pageSECTION3WPT KEYVOR InformationVOR InformationThe GNC 3

NDB comments pageNDB identification pageSECTION3WPT KEYNDB InformationNDB InformationThe GNC 300XL also uses identification, position and comments pag

WPT KEYIntersectionInformationSECTION3Intersection comments pageIntersection InformationThe last database waypoint category available is intersections

User waypoint comments pageUser waypoint pageSECTION3WPT KEYUser WaypointsUser Waypoint InformationIn addition to the airport, VOR, NDB and intersecti

WPT KEYCreatingUser WaypointsSECTION3Selecting a method to enter a new user waypoint.Entering the user waypoint’s exact position.If the waypoint ident

INTRODUCTIONWarrantyTo obtain warranty service, see your local dealeror call the GARMIN Customer Service departmentfor a returned merchandise tracking

SECTION3WPT KEYReference WaypointsEntering a user waypoint by referencing anotherwaypoint.To create a user waypoint from your present posi-tion, leave

SECTION3WPT KEYCreating Waypointswith AutoStoreAutoStore waypoint with default name.The default waypoint name may be changedbefore saving the waypoint

Proximity alarm message. Pressing N will display the position page with the bearing and distance from the proximity waypoint indicated on the bottom

Renaming a user waypoint.User waypoint list showing the current active-towaypoint and a proximity waypoint.SECTION3WPT KEYUser WaypointListThe third p

WPT KEYWaypointCommentsSECTION3Entering waypoint comments.Waypoints with comments pageThe last page available through the GNC 300XL’s Wkey is the wayp

Duplicate waypoints pageWaypoint confirmation pageSECTION3WPT KEYWaypoint ConfirmationDuplicate WaypointsThe GNC 300XL’s extensive waypoint database m

SECTION3WPT KEYLocked WaypointsWaypoint ScanningPossible messages for locked waypoints.To blank a waypoint field, highlight the field andpress the \ k

Nearest FSS page. To view additional frequencies(if available), highlight the frequency and rotatethe O knob.Nearest airport with other frequency info

NOTE: The GNC 300XL will flash the Unext to the Mkeyto inform you of SUA alerts. You do not have to repeatedlycheck the Nearest Waypoint page for SUA

SECTION4NRST KEYSpecialUse AirspaceTo view the SUA alert page:1. Press the Tkey.2. Rotate Oone stop to the right to view the SUA alert page.The SUA al

PART ONE: INTRODUCTIONForeword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iCautions . . . .

Frequency information for SUA. If the informa-tion is too long to fit on the display, the GNC300XL will automatically scroll to display the restof the

NRST KEYSpecial UseAirspaceSECTION4Altitude buffer set at 500 feet. This provides anadded 500 foot margin beyond the floor and ceil-ing limits for an

SECTION5DIRECT-TO& ROUTE NAVSection 5 Direct-to & Route NavigationOne of the many benefits of GPS navigation is the ability to fly directly to

To quickly select a direct-to from any page thatdisplays a single waypoint identifier (e.g., thenearest airport page), press D, followed by E.To selec

SECTION5DIRECT-TOManually SelectingA CourseThe waypoint sequencing field, located at the bottom left of the direct-to confirmation page, dis-plays the

SECTION5ROUTE NAVRoute PagesThe GNC 300XL lets you create up to 20 routes (numbered 0 through 19), withup to 31 waypoints each. Routes are created, co

SECTION5ROUTE NAVRoute Catalog PageThe GNC 300XL’s route catalog page is used to create, edit, delete or copy routes,and serves as the main page for a

SECTION5ROUTE NAVCreating &Editing RoutesThe route editing function allows you to create new routes and edit existing routes.Creating routes befor

SECTION5ROUTE NAVDeleting &Activating RoutesOnce a route is defined through the route catalog page, it may be activated from theroute catalog page

SECTION5ROUTE NAVCopying RoutesCPA FunctionTo copy a route:1. Press Rand use Oto display the route catalog page.2. Use Kto display the route to which

INTRODUCTIONTable of ContentsSection 7: Messages and Unit Settings ( Mkey) . . . . . . . . . . . . . . . . . . . . .100Appendix A: NavData®and User D

The GNC 300XL’s search-and-rescue function provides navigation guidance forsearch-and-rescue operations, navigating in a ladder pattern to maximize co

The GNC 300XL’s Route RAIM Prediction Function evaluates enroute RAIM availabil-ity over the entire route that the pilot intends to fly. Route RAIM P

The time required for RAIM prediction computation depends on the route distance(i.e., 1000 nautical miles = approximately 2 minutes) and the enroute s

During route navigation, it is sometimes desirable to navigate a specified distanceaway from the ‘active leg’ to help avoid certain airspaces or regio

SECTION5ROUTE NAVActive Route PageFlying and Modifying the Active RouteOnce a route has been created and activated, the GNC 300XL will provide naviga-

ROUTE NAVAdding ActiveRoute WaypointsSECTION5The distance field can be selected to display cumulative (‘cum’) distance or the dis-tance for each route

SECTION5ROUTE NAVOn-RouteDirect-ToTo delete a waypoint from the active route:1. Press Ctwice, if necessary, to activate the cursor. 2. Use Oto highlig

SECTION5ROUTE NAVTurn AnticipationDuring route operations, the CDI page is used to provide turn anticipation, nextdesired track and waypoint arrival i

SECTION6APPROACH NAVOverviewSection 6Approaches, SIDs and STARsThe GNC 300XL’s approach navigation mode allows you to fly non-precisionapproaches to a

The GNC 300XL works in conjunction with a set of external switches and your HSI (OBS) to fly GPS approaches. The external switches are used to control

Key and Knob FunctionsBThe power/volume knob controls unit power and radio volume.QThe squelch button activates automatic squelch control.DThe direct-

The GPS SEQ switch is used to select manual or automatic waypoint sequencingof waypoints. Setting the GPS SEQ switch to the HOLD position holds your c

Basic Rules of GPS ApproachesThe GNC 300XL is the first GPS/COM certified to meet the requirements of TSO C-129a Category A1. When using the GNC 300XL

• If you cross the same waypoint twice in succession during an approach (e.g.,the IAF and FAF at the same waypoint, or radar vectors to the FAF), you

Flying A Typical ApproachThe non-precision approaches available from the GNC 300XL will all follow thesame general flow of events described below. Spe

5. Transition to Active Approach PhaseThe approach will automatically transition to the active approach stage andthe GPS APR annunciator will indicate

Selecting and Loading an ApproachWhen an arrival airport is selected with the direct-to key (or created and activated ina route to the arrival airport

When the aircraft is within 30 nautical miles of the destination airport, the GNC300XL will automatically arm the approach, and the GPS APR switch wil

e. Set the GPS SEQ switch to the AUTO position. The GNC 300XL will resume automaticwaypoint sequencing for the remaining approach waypoints.4. Once th

If you’re not authorized to fly direct-to the missed approach holding point:1. After the MAP has been crossed, press the Dkey. The GNC 300XL will auto

The GNC 300XL’s approach select page allows you to review the available approachprocedures at the destination airport. From the procedures list, you m