Class: G3XFms

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:71

A G3X Touch flight management system.

Constructors

Constructor

new G3XFms(isPrimary, bus, flightPlanner, options): G3XFms

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:95

Creates a new instance of G3XFms.

Parameters

Parameter	Type	Description
isPrimary	boolean	Whether this FMS is the primary instance. Only the primary FMS will execute certain operations that have global effects across the entire airplane.
bus	EventBus	The event bus.
flightPlanner	FlightPlanner<"g3x">	The internal flight planner for the new FMS to use.
options	Readonly<G3XFmsOptions>	Options with which to configure the FMS.

Returns

G3XFms

Properties

facLoader

readonly facLoader: FacilityLoader

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:78

The facility loader used by this FMS.

---

flightPlanner

readonly flightPlanner: FlightPlanner<"g3x">

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:81

The internal flight planner used by this FMS.

---

internalFms

readonly internalFms: Fms<"g3x">

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:75

The Garmin FMS instance to which this FMS delegates for its internal flight plan data source.

Methods

activateApproach()

activateApproach(isVtf): Promise<void>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1129

Activates the approach that is currently loaded into the internal primary flight plan. Activating the approach will insert the approach legs into the internal primary flight plan and either activate an on-route Direct-To targeting the faf (for non-vectors-to-final approaches) or activate the vectors-to-final leg to the faf (for vectors-to-final approaches).

Parameters

Parameter	Type	Description
isVtf	boolean	Whether to activate the approach as a vectors-to-final (VTF) approach.

Returns

Promise<void>

---

activateLeg()

activateLeg(segmentIndex, segmentLegIndex, planIndex, inhibitImmediateSequence): void

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1097

Activates a flight plan leg for the internal flight plan source.

Parameters

Parameter	Type	Default value	Description
segmentIndex	number	undefined	The index of the flight plan segment containing the leg to activate.
segmentLegIndex	number	undefined	The index of the leg to activate in its containing segment.
planIndex	number	FmsUtils.PRIMARY_PLAN_INDEX	The index of the flight plan containing the leg to activate. Defaults to the index of the primary flight plan.
inhibitImmediateSequence	boolean	false	Whether to inhibit immediate automatic sequencing past the activated leg. Defaults to false.

Returns

void

---

activateNearestLeg()

activateNearestLeg(allowMissedApproach): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1332

Activates the nearest and most applicable leg of the internal primary flight plan.

Parameters

Parameter	Type	Default value	Description
allowMissedApproach	boolean	false	Whether to allow activation of missed approach legs. Defaults to false.

Returns

boolean

Whether a leg was successfully activated.

---

addUserFacility()

addUserFacility(userFacility): void

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:460

Adds a user facility.

Parameters

Parameter	Type	Description
userFacility	UserFacility	the facility to add.

Returns

void

---

buildApproachPreviewPlan()

buildApproachPreviewPlan(calculator, facility, approachIndex, isVtf): Promise<FlightPlan>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1345

Builds a flight plan to preview an approach procedure that can be loaded into the internal primary flight plan.

Parameters

Parameter	Type	Description
calculator	FlightPathCalculator	The flight path calculator to assign to the preview plan.
facility	AirportFacility	The airport facility containing the published approach on which the VFR approach to preview is based.
approachIndex	number	The index of the published approach on which the VFR approach to preview is based.
isVtf	boolean	Whether to preview the approach as a vectors-to-final (VTF) approach.

Returns

Promise<FlightPlan>

A Promise which will be fulfilled with the preview plan after it has been built.

---

canActivateApproach()

canActivateApproach(): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1111

Checks whether an approach can be activated. An approach can be activated if and only if the primary flight plan has a non-vectors-to-final approach loaded.

Returns

boolean

Whether an approach can be activated.

---

canActivateLeg()

canActivateLeg(segmentIndex, segmentLegIndex): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:416

Checks whether a leg in the primary flight plan can be manually activated.

Parameters

Parameter	Type	Description
segmentIndex	number	The index of the segment in which the leg resides.
segmentLegIndex	number	The index of the leg in its segment.

Returns

boolean

Whether the leg can be manually activated.

---

canApproachLoad()

canApproachLoad(): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1077

Method to check whether an approach can load, or only activate.

Returns

boolean

true if the approach can be loaded and not activated, otherwise the approach can only be immediatly activated.

---

cancelDirectTo()

cancelDirectTo(): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1288

Cancels the currently active internal on-route or off-route Direct-To.

Returns

boolean

Whether an active Direct-To was cancelled.

---

canDirectTo()

canDirectTo(segmentIndex, segmentLegIndex): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:427

Checks whether a leg in the primary flight plan is a valid direct to target.

Parameters

Parameter	Type	Description
segmentIndex	number	The index of the segment in which the leg resides.
segmentLegIndex	number	The index of the leg in its segment.

Returns

boolean

Whether the leg is a valid direct to target.

Throws

Error if a leg could not be found at the specified location.

---

canEdit()

canEdit(): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:381

Checks whether the internal flight plans can be edited.

Returns

boolean

Whether the internal flight plans can be edited.

---

createDirectTo()

createDirectTo(target, course?): Promise<void>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1225

Creates and activates a Direct-To for the internal flight plan source. If the target fix does not appear in the internal flight plan, then this will replace the primary flight plan with a single leg to the Direct-To's target waypoint and create and activate a Direct-To targeting the waypoint. If the target fix does appear in the internal flight plan, then this will create and activate an on-route Direct-To targeting the last occurrence of the target fix in the flight plan.

Parameters

Parameter	Type	Description
target	Facility	The Direct-To's target waypoint facility.
course?	number	The magnetic course for the Direct-To, in degrees. If not defined, then the Direct-To will be initiated from the airplane's present position.

Returns

Promise<void>

---

deleteFlightPlanName()

deleteFlightPlanName(planIndex): void

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:406

Deletes the name of an internal flight plan.

Parameters

Parameter	Type	Description
planIndex	number	The index of the flight plan for which to delete the name.

Returns

void

---

deletePrimaryFlightPlan()

deletePrimaryFlightPlan(): Promise<void>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1308

Empties the internal primary flight plan and deletes its name.

Returns

Promise<void>

---

emptyPrimaryFlightPlan()

emptyPrimaryFlightPlan(): Promise<void>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1295

Empties the internal primary flight plan.

Returns

Promise<void>

---

getApproachRunway()

getApproachRunway(): null | OneWayRunway

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:389

Gets the approach runway:

Returns

null | OneWayRunway

Selected approach runway

---

getCurrentFms()

getCurrentFms(): Fms

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:191

Gets the Garmin FMS instance for the current flight plan source.

Returns

Fms

The Garmin FMS instance for the current flight plan source.

---

getDirectToFlightPlan()

getDirectToFlightPlan(): FlightPlan

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:373

Gets the off-route Direct-To flight plan for the current flight plan source.

Returns

FlightPlan

The off-route Direct-To flight plan for the current flight plan source.

Throws

Error if the off-route Direct-To flight plan does not exist.

---

getDirectToState()

getDirectToState(): DirectToState

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:435

Gets the current Direct To State.

Returns

DirectToState

the DirectToState.

---

getDirectToTargetIcao()

getDirectToTargetIcao(): undefined | string

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:443

Gets the ICAO string of the current Direct To target.

Returns

undefined | string

The ICAO string of the current Direct To target, or undefined if Direct To is not active.

---

getExternalDirectToFlightPlan()

getExternalDirectToFlightPlan(index): FlightPlan

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:364

Gets the off-route Direct-To flight plan for an external flight plan source.

Parameters

Parameter	Type	Description
index	G3XExternalNavigatorIndex	The index of the external flight plan source from which to get the flight plan.

Returns

FlightPlan

The off-route Direct-To flight plan for the specified external flight plan source.

Throws

Error if the external flight plan source is not supported or if the off-route Direct-To flight plan does not exist.

---

getExternalFlightPlan()

getExternalFlightPlan(sourceIndex, index): FlightPlan

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:256

Gets a specified external flight plan.

Parameters

Parameter	Type	Default value	Description
sourceIndex	G3XExternalNavigatorIndex	undefined	The index of the external flight plan source from which to get a flight plan.
index	number	FmsUtils.PRIMARY_PLAN_INDEX	The index of the flight plan. Defaults to the index of the primary flight plan.

Returns

FlightPlan

The requested external flight plan.

Throws

Error if the external flight plan source is not supported or if no flight plan exists at the specified index.

---

getExternalFms()

getExternalFms(index): Fms

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:178

Retrieves the Garmin FMS instance to which this FMS delegates for an external flight plan source.

Parameters

Parameter	Type	Description
index	G3XExternalNavigatorIndex	The index of the external flight plan source for which to retrieve an FMS.

Returns

Fms

The Garmin FMS instance to which this FMS delegates for the specified external flight plan source.

Throws

Error if the external flight plan source is not supported.

---

getExternalPrimaryFlightPlan()

getExternalPrimaryFlightPlan(index): FlightPlan

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:310

Gets the primary flight plan for an external flight plan source.

Parameters

Parameter	Type	Description
index	G3XExternalNavigatorIndex	The index of the external flight plan source from which to get the flight plan.

Returns

FlightPlan

The primary flight plan for the specified external flight plan source.

Throws

Error if the external flight plan source is not supported or if the primary flight plan does not exist.

---

getFlightPlan()

getFlightPlan(index): FlightPlan

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:266

Gets a specified flight plan from the current flight plan source.

Parameters

Parameter	Type	Default value	Description
index	number	FmsUtils.PRIMARY_PLAN_INDEX	The index of the flight plan. Defaults to the index of the primary flight plan.

Returns

FlightPlan

The requested flight plan from the current flight plan source.

Throws

Error if no flight plan exists at the specified index.

---

getInternalDirectToFlightPlan()

getInternalDirectToFlightPlan(): FlightPlan

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:353

Gets the off-route Direct-To flight plan for the internal flight plan source.

Returns

FlightPlan

The off-route Direct-To flight plan for the internal flight plan source.

Throws

Error if the off-route Direct-To flight plan does not exist.

---

getInternalEventSubscriber()

getInternalEventSubscriber(): EventSubscriber<FmsEventsForId<"g3x">>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:149

Gets an event bus subscriber for topics published by this FMS.

Returns

EventSubscriber<FmsEventsForId<"g3x">>

An event bus subscriber for topics published by this flight planner.

---

getInternalFlightPlan()

getInternalFlightPlan(index): FlightPlan

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:244

Gets a specified internal flight plan.

Parameters

Parameter	Type	Default value	Description
index	number	FmsUtils.PRIMARY_PLAN_INDEX	The index of the flight plan. Defaults to the index of the primary flight plan.

Returns

FlightPlan

The requested internal flight plan.

Throws

Error if no flight plan exists at the specified index.

---

getInternalPrimaryFlightPlan()

getInternalPrimaryFlightPlan(): FlightPlan

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:300

Gets the primary flight plan for the internal flight plan source.

Returns

FlightPlan

The primary flight plan for the internal flight plan source.

Throws

Error if the primary flight plan does not exist.

---

getPrimaryFlightPlan()

getPrimaryFlightPlan(): FlightPlan

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:319

Gets the primary flight plan for the current flight plan source.

Returns

FlightPlan

The primary flight plan for the current flight plan source.

Throws

Error if the primary flight plan does not exist.

---

hasDirectToFlightPlan()

hasDirectToFlightPlan(): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:344

Checks whether the off-route Direct-To flight plan exists for the current flight plan source.

Returns

boolean

Whether the off-route Direct-To flight plan exists for the current flight plan source.

---

hasExternalDirectToFlightPlan()

hasExternalDirectToFlightPlan(index): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:336

Checks whether the off-route Direct-To flight plan exists for an external flight plan source.

Parameters

Parameter	Type	Description
index	G3XExternalNavigatorIndex	The index of the external flight plan source to check.

Returns

boolean

Whether the off-route Direct-To flight plan exists for the specified external flight plan source.

---

hasExternalFlightPlan()

hasExternalFlightPlan(sourceIndex, index): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:225

Checks whether an external indexed flight plan exists.

Parameters

Parameter	Type	Description
sourceIndex	G3XExternalNavigatorIndex	The index of the external flight plan source to check.
index	number	A flight plan index.

Returns

boolean

Whether an external flight plan at the specified index exists.

---

hasExternalPrimaryFlightPlan()

hasExternalPrimaryFlightPlan(index): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:283

Checks whether the primary flight plan exists for an external flight plan source.

Parameters

Parameter	Type	Description
index	G3XExternalNavigatorIndex	The index of the external flight plan source to check.

Returns

boolean

Whether the primary flight plan exists for the specified external flight plan source.

---

hasFlightPlan()

hasFlightPlan(index): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:234

Checks whether an indexed flight plan exists for the current flight plan source.

Parameters

Parameter	Type	Description
index	number	A flight plan index.

Returns

boolean

Whether a flight plan at the specified index exists for the current flight plan source.

---

hasInternalDirectToFlightPlan()

hasInternalDirectToFlightPlan(): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:327

Checks whether the off-route Direct-To flight plan exists for the internal flight plan source.

Returns

boolean

Whether the off-route Direct-To flight plan exists for the internal flight plan source.

---

hasInternalFlightPlan()

hasInternalFlightPlan(index): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:215

Checks whether an internal indexed flight plan exists.

Parameters

Parameter	Type	Description
index	number	A flight plan index.

Returns

boolean

Whether an internal flight plan at the specified index exists.

---

hasInternalPrimaryFlightPlan()

hasInternalPrimaryFlightPlan(): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:274

Checks whether the primary flight plan exists for the internal flight plan source.

Returns

boolean

Whether the primary flight plan exists for the internal flight plan source.

---

hasPrimaryFlightPlan()

hasPrimaryFlightPlan(): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:291

Checks whether the primary flight plan exists for the current flight plan source.

Returns

boolean

Whether the primary flight plan exists for the current flight plan source.

---

initPrimaryFlightPlan()

initPrimaryFlightPlan(force): Promise<void>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:206

Initializes the primary flight plan for the internal flight plan source.

Parameters

Parameter	Type	Default value	Description
force	boolean	false	Whether to force a new primary flight plan to be created, even if one already exists.

Returns

Promise<void>

---

insertWaypoint()

insertWaypoint(segmentIndex, facility, segmentLegIndex?): Promise<undefined | LegDefinition>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:482

Inserts a waypoint into the internal primary flight plan.

Parameters

Parameter	Type	Description
segmentIndex	number	The index of the flight plan segment into which to insert the waypoint.
facility	Facility	The waypoint facility to insert.
segmentLegIndex?	number	The index in the segment at which to insert the waypoint. If a leg already exists at the index, the existing leg and all subsequent legs will be shifted to the right. If not defined, the waypoint will be inserted at the end of the segment.

Returns

Promise<undefined | LegDefinition>

The leg that was inserted into the flight plan, or undefined if the insertion operation could not be carried out.

---

insertWaypointAtEnd()

insertWaypointAtEnd(facility): Promise<undefined | LegDefinition>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:528

Inserts a waypoint at the end of the internal primary flight plan.

Parameters

Parameter	Type	Description
facility	Facility	The waypoint facility to insert.

Returns

Promise<undefined | LegDefinition>

The leg that was inserted into the flight plan, or undefined if the insertion operation could not be carried out.

---

invertFlightplan()

invertFlightplan(): void

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1069

Inverts the internal primary flightplan.

Returns

void

---

isFirstEnrouteSegment()

isFirstEnrouteSegment(segmentIndex): boolean

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:452

Checks if a segment is the first enroute segment that is not an airway.

Parameters

Parameter	Type	Description
segmentIndex	number	is the segment index of the segment to check

Returns

boolean

whether or not the segment is the first enroute segment that is not an airway.

---

loadApproach()

loadApproach(facility, approachIndex, activate, isVtf): Promise<boolean>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:599

Loads an approach into the internal primary flight plan.

Parameters

Parameter	Type	Default value	Description
facility	AirportFacility	undefined	The airport facility containing the published approach on which the VFR approach to load is based.
approachIndex	number	undefined	The index of the published approach on which the VFR approach to load is based.
activate	boolean	false	Whether to immediately activate the approach after it has been loaded. Defaults to false.
isVtf	boolean	false	Whether to activate the approach as a vectors-to-final (VTF) approach. Ignored if activate is false. Defaults to false.

Returns

Promise<boolean>

A Promise which will be fulfilled with whether the specified approach was successfully loaded into the flight plan.

---

onInternalEvent()

onInternalEvent<K>(baseTopic): Consumer<BaseFmsEvents[K]>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:158

Subscribes to one of the event bus topics published by this FMS.

Type Parameters

Type Parameter
K extends keyof BaseFmsEvents

Parameters

Parameter	Type	Description
baseTopic	K	The base name of the topic to which to subscribe.

Returns

Consumer<BaseFmsEvents[K]>

A consumer for the specified event bus topic.

---

removeApproach()

removeApproach(): Promise<void>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:649

Removes the approach that is currently loaded into the internal primary flight plan.

Returns

Promise<void>

---

removeUserFacility()

removeUserFacility(userFacility): void

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:468

Removes a user facility.

Parameters

Parameter	Type	Description
userFacility	UserFacility	the facility to remove.

Returns

void

---

removeWaypoint()

removeWaypoint(segmentIndex, segmentLegIndex): Promise<boolean>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:552

Removes a leg to a waypoint from the internal primary flight plan.

Parameters

Parameter	Type	Description
segmentIndex	number	The index of the segment containing the leg to remove.
segmentLegIndex	number	The index of the leg to remove in its segment.

Returns

Promise<boolean>

Whether the waypoint was successfully removed.

---

resetAllFlightPlans()

resetAllFlightPlans(): Promise<void>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:1321

Resets all internal flight plans to their initial empty states, and cancels any active off-route Direct-To.

Returns

Promise<void>

---

setFlightPlanName()

setFlightPlanName(planIndex, name): void

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:398

Sets the name of an internal flight plan.

Parameters

Parameter	Type	Description
planIndex	number	The index of the flight plan for which to set the name.
name	string	The new name for the flight plan.

Returns

void

---

tryGetExternalFms()

tryGetExternalFms(index): undefined | Fms<any>

Defined in: src/workingtitle-instruments-g3x-touch/html_ui/Shared/FlightPlan/G3XFms.ts:168

Attempts to retrieve the Garmin FMS instance to which this FMS delegates for an external flight plan source.

Parameters

Parameter	Type	Description
index	G3XExternalNavigatorIndex	The index of the external flight plan source for which to retrieve an FMS.

Returns

undefined | Fms<any>

The Garmin FMS instance to which this FMS delegates for the specified external flight plan source, or undefined if the external flight plan source is not supported.