Class: FmsUtils

Defined in: src/garminsdk/flightplan/FmsUtils.ts:20

Utility Methods for the FMS.

Constructors

Constructor

new FmsUtils(): FmsUtils

Returns

FmsUtils

Properties

DTO_LEG_OFFSET

readonly static DTO_LEG_OFFSET: 3 = 3

Defined in: src/garminsdk/flightplan/FmsUtils.ts:31

The number of flight plan legs between a direct-to target leg and its associated direct-to leg.

---

DTO_RANDOM_PLAN_INDEX

readonly static DTO_RANDOM_PLAN_INDEX: 1 = 1

Defined in: src/garminsdk/flightplan/FmsUtils.ts:25

The index of the off-route direct-to flight plan.

---

getBestRnavType()

static getBestRnavType: (query) => RnavTypeFlags = ApproachUtils.getBestRnavType

Defined in: src/garminsdk/flightplan/FmsUtils.ts:418

Gets the best RNAV minimum type available for a given approach.

Gets the best RNAV minimum type available for a given approach.

Parameters

Parameter	Type	Description
query	ApproachProcedure | RnavTypeFlags	The approach to check, or its RNAV type flags.

Returns

RnavTypeFlags

The best RNAV minimum type available for the specified approach.

Param

The approach to check, or its RNAV type flags.

Returns

The best RNAV minimum type available for the specified approach.

---

isApproachRnpAr()

static isApproachRnpAr: (approach) => boolean = ApproachUtils.isRnpAr

Defined in: src/garminsdk/flightplan/FmsUtils.ts:718

Checks whether an approach procedure is an RNP (AR) approach.

Checks whether an approach procedure is an RNP (AR) approach.

Parameters

Parameter	Type	Description
approach	ApproachProcedure	The approach procedure to check.

Returns

boolean

Whether the approach procedure is an RNP (AR) approach.

Param

The approach procedure to check.

Returns

Whether the approach procedure is an RNP (AR) approach.

---

PRIMARY_PLAN_INDEX

readonly static PRIMARY_PLAN_INDEX: 0 = 0

Defined in: src/garminsdk/flightplan/FmsUtils.ts:22

The index of the primary flight plan.

---

PROC_PREVIEW_PLAN_INDEX

readonly static PROC_PREVIEW_PLAN_INDEX: 2 = 2

Defined in: src/garminsdk/flightplan/FmsUtils.ts:28

The index of the procedure preview flight plan.

Methods

approachDetailsEquals()

static approachDetailsEquals(a, b): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1634

Checks whether two FMS approach details objects are equal.

Parameters

Parameter	Type	Description
a	Readonly<ApproachDetails>	The first FMS approach details object to compare.
b	Readonly<ApproachDetails>	The second FMS approach details object to compare.

Returns

boolean

Whether the two FMS approach details objects are equal.

---

approachHasNavFrequency()

static approachHasNavFrequency(approach): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:823

Checks whether an approach has a primary NAV frequency based on its type. Only approaches of the following types have primary NAV frequencies: ILS, LOC (BC), LDA, SDF, VOR(DME).

Parameters

Parameter	Type	Description
approach	ApproachProcedure	The approach to check.

Returns

boolean

Whether the specified approach has a primary NAV frequency based on its type.

---

buildEmptyVisualApproach()

static buildEmptyVisualApproach(runway): ApproachProcedure

Defined in: src/garminsdk/flightplan/FmsUtils.ts:304

Builds an empty approach procedure object for a visual approach. The empty object contains all descriptive data for the approach but lacks flight plan leg information for the approach.

Parameters

Parameter	Type	Description
runway	OneWayRunway	The runway to which the approach belongs.

Returns

ApproachProcedure

An empty approach procedure object for the specified approach.

---

buildRunwayLeg()

static buildRunwayLeg(airport, runway, isInitialFix): FlightPlanLeg

Defined in: src/garminsdk/flightplan/FmsUtils.ts:162

Builds a flight plan leg to a runway fix.

Parameters

Parameter	Type	Description
airport	string | AirportFacility	The runway's parent airport or its ICAO.
runway	OneWayRunway	The runway associated with the runway fix.
isInitialFix	boolean	Whether to create the flight plan leg as an initial fix (IF) leg instead of a track-to-fix (TF) leg.

Returns

FlightPlanLeg

A flight plan leg to the specified runway fix.

---

buildRunwayLegForApproach()

static buildRunwayLegForApproach(airport, runwayIcao): undefined | FlightPlanLeg

Defined in: src/garminsdk/flightplan/FmsUtils.ts:179

Utility method to return a one-way runway leg from an approach runway leg definition

Parameters

Parameter	Type	Description
airport	AirportFacility	is the facility associated with the arrival
runwayIcao	string	is the icao string for the runway waypoint in the final legs

Returns

undefined | FlightPlanLeg

a leg object for the runway

---

buildVfrApproach()

static buildVfrApproach(airport, approachIndex): undefined | GarminVfrApproachProcedure

Defined in: src/garminsdk/flightplan/FmsUtils.ts:329

Creates a VFR approach object based on a published approach.

Parameters

Parameter	Type	Description
airport	AirportFacility	The airport facility containing the published approach on which the VFR approach is based.
approachIndex	number	The index of the published approach on which the VFR approach is based.

Returns

undefined | GarminVfrApproachProcedure

A new VFR approach object based on the specified published approach, or undefined if a VFR approach could not be generated.

---

buildVisualApproach()

static buildVisualApproach(airport, runway, finalLegDistance, initialLegDistance, name?, finalLegIdent?, initialLegIdent?): ApproachProcedure

Defined in: src/garminsdk/flightplan/FmsUtils.ts:208

Utility method to return a visual approach for a runway.

Parameters

Parameter	Type	Description
airport	AirportFacility	is the airport facility for the visual approach.
runway	OneWayRunway	is the runway to build the visual approach for.
finalLegDistance	number	is the distance from the runway to place the faf leg in NM.
initialLegDistance	number	is the distance from the final leg to place the iaf leg in NM.
name?	string	is the optional name for the approach.
finalLegIdent?	string	is the optional name for the faf leg.
initialLegIdent?	string	is the optional name for the iaf leg.

Returns

ApproachProcedure

an approach procedure.

---

checkForCourseReversal()

static checkForCourseReversal(legs, ppos): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1322

Checks for a course reversal in the procedure.

Parameters

Parameter	Type	Description
legs	LegDefinition[]	The legs in the procedure.
ppos	GeoPoint	The current aircraft present position.

Returns

boolean

true if there is an optional course reversal.

---

createApproachListItem()

static createApproachListItem(approach, index): ApproachListItem

Defined in: src/garminsdk/flightplan/FmsUtils.ts:937

Creates an ApproachListItem from an ApproachProcedure and the approach index.

Parameters

Parameter	Type	Description
approach	ApproachProcedure	The approach procedure.
index	number	The approach index.

Returns

ApproachListItem

The created ApproachListItem.

---

createApproachTransitionListItem()

static createApproachTransitionListItem(approach, transitionIndex): TransitionListItem

Defined in: src/garminsdk/flightplan/FmsUtils.ts:990

Creates an TransitionListItem from an ApproachProcedure and the transition index.

Parameters

Parameter	Type	Description
approach	ApproachProcedure	The approach procedure.
transitionIndex	number	The approach transition index.

Returns

TransitionListItem

The created TransitionListItem.

---

createEmptyApproachDetails()

static createEmptyApproachDetails(): ApproachDetails

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1614

Creates a new empty, default approach details object.

Returns

ApproachDetails

A new empty, default approach details object.

---

createEmptyFlightPhase()

static createEmptyFlightPhase(): FmsFlightPhase

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1588

Creates a new empty, default flight phase object.

Returns

FmsFlightPhase

A new empty, default flight phase object.

---

displayAltitudeAsFlightLevel()

static displayAltitudeAsFlightLevel(altitudeMeters): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1579

Determines whether an altitude should be displayed as a flight level.

Parameters

Parameter	Type	Description
altitudeMeters	number	The altitude in meters.

Returns

boolean

Whether an altitude should be displayed as a flight level.

---

flightPhaseEquals()

static flightPhaseEquals(a, b): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1603

Checks whether two FMS flight phase objects are equal.

Parameters

Parameter	Type	Description
a	Readonly<FmsFlightPhase>	The first FMS flight phase object to compare.
b	Readonly<FmsFlightPhase>	The second FMS flight phase object to compare.

Returns

boolean

Whether the two FMS flight phase objects are equal.

---

getAirportFromPlan()

static getAirportFromPlan(plan, reverse): undefined | string

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1365

Gets and returns the ICAO of first or last airport fix from the flight plan legs.

Parameters

Parameter	Type	Description
plan	FlightPlan	The flight plan to use.
reverse	boolean	Whether to get the first or last airport.

Returns

undefined | string

The ICAO of last airport fix from the flight plan legs.

---

getApproaches()

static getApproaches(airport?, includeVisual?): ApproachListItem[]

Defined in: src/garminsdk/flightplan/FmsUtils.ts:844

Gets an array of approach list items from an airport.

Parameters

Parameter	Type	Default value	Description
airport?	AirportFacility	undefined	An airport.
includeVisual?	boolean	true	Whether to include visual approaches. Defaults to true.

Returns

ApproachListItem[]

An array of approach list items for the specified airport.

---

getApproachFafLeg()

static getApproachFafLeg(plan): undefined | LegDefinition

Defined in: src/garminsdk/flightplan/FmsUtils.ts:562

Gets the final approach fix leg of a flight plan.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

undefined | LegDefinition

The final approach fix leg of a flight plan, or undefined if one could not be found.

---

getApproachFromPlan()

static getApproachFromPlan(plan, destination): undefined | GarminApproachProcedure

Defined in: src/garminsdk/flightplan/FmsUtils.ts:496

Gets an approach procedure from a flight plan. If the flight plan has an visual approach loaded, an empty procedure object, containing descriptive data for the approach but lacking flight plan leg information, will be returned.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.
destination	AirportFacility	The destination airport of the flight plan.

Returns

undefined | GarminApproachProcedure

The approach procedure from the flight plan, or undefined if the plan has no approach.

---

getApproachNameAsParts()

static getApproachNameAsParts(proc): ApproachNameParts

Defined in: src/garminsdk/flightplan/FmsUtils.ts:726

Utility method to analyze an approach for its name components and pack them into a custom type.

Parameters

Parameter	Type	Description
proc	GarminApproachProcedure	The approach procedure.

Returns

ApproachNameParts

The name as an ApproachNameParts

---

getApproachNameAsString()

static getApproachNameAsString(approach): string

Defined in: src/garminsdk/flightplan/FmsUtils.ts:807

Utility method that takes an approach and returns its name as a flat string suitable for use in embedded text content.

Parameters

Parameter	Type	Description
approach	GarminApproachProcedure	The approach as an ApproaceProcedure

Returns

string

The formatted name as a string.

---

getApproachSegment()

static getApproachSegment(plan): undefined | FlightPlanSegment

Defined in: src/garminsdk/flightplan/FmsUtils.ts:131

Gets the approach segment from a flight plan.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

undefined | FlightPlanSegment

The approach segment in the specified flight plan, or undefined if one does not exist.

---

getApproachTransitionName()

static getApproachTransitionName(approach, transitionIndex): string

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1003

Creates an TransitionListItem from an ApproachProcedure and the transition index.

Parameters

Parameter	Type	Description
approach	ApproachProcedure	The approach procedure.
transitionIndex	number	The approach transition index.

Returns

string

The created TransitionListItem.

---

getApproachTransitions()

static getApproachTransitions(approachItem?): TransitionListItem[]

Defined in: src/garminsdk/flightplan/FmsUtils.ts:958

Gets the transitions for the approach, adding suffixes, vectors transtion, and default approach if needed.

Parameters

Parameter	Type	Description
approachItem?	ApproachListItem	The approach procedure to get the transitions for.

Returns

TransitionListItem[]

The transitions for the approach.

---

getApproachVtfLeg()

static getApproachVtfLeg(plan): undefined | LegDefinition

Defined in: src/garminsdk/flightplan/FmsUtils.ts:587

Gets the vectors-to-final faf leg of a flight plan.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

undefined | LegDefinition

The vectors-to-final faf leg of the flight plan, or undefined if one could not be found.

---

getArrivalEnrouteTransitionName()

static getArrivalEnrouteTransitionName(procedure, transitionIndex, rwyTransitionIndex): string

Defined in: src/garminsdk/flightplan/FmsUtils.ts:690

Gets the transition name and creates a default transition when the procedure has no transitions.

Parameters

Parameter	Type	Description
procedure	Procedure	is the arrival procedure.
transitionIndex	number	is the index of the enroute transition in the procedure.
rwyTransitionIndex	number	is the index of the runway transition in the procedure.

Returns

string

The transition name string.

---

getArrivalNameAsString()

static getArrivalNameAsString(airport, arrival, transitionIndex, runway): string

Defined in: src/garminsdk/flightplan/FmsUtils.ts:631

Gets the name of a arrival procedure as a string.

Parameters

Parameter	Type	Description
airport	AirportFacility	The airport to which the departure belongs.
arrival	Procedure	An arrival procedure definition.
transitionIndex	number	The index of the arrival enroute transition.
runway	undefined | OneWayRunway	The runway of the arrival, if any.

Returns

string

The name of the arrival procedure.

---

getArrivalSegment()

static getArrivalSegment(plan): undefined | FlightPlanSegment

Defined in: src/garminsdk/flightplan/FmsUtils.ts:117

Gets the arrival segment from a flight plan.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

undefined | FlightPlanSegment

The arrival segment in the specified flight plan, or undefined if one does not exist.

---

getBestApproachType()

static getBestApproachType(airport, includeVisual, includeRnpAr): ExtendedApproachType

Defined in: src/garminsdk/flightplan/FmsUtils.ts:443

Gets the best approach type available at an airport.

Parameters

Parameter	Type	Default value	Description
airport	AirportFacility	undefined	An airport facility.
includeVisual	boolean	false	Whether to include visual approaches. Defaults to false.
includeRnpAr	boolean	false	Whether to include RNP AR approaches. Defaults to false.

Returns

ExtendedApproachType

The best approach type available at the specified airport.

---

getDepartureEnrouteTransitionName()

static getDepartureEnrouteTransitionName(procedure, transitionIndex, rwyTransitionIndex): string

Defined in: src/garminsdk/flightplan/FmsUtils.ts:657

Gets the transition name and creates a default transition when the procedure has no transitions.

Parameters

Parameter	Type	Description
procedure	Procedure	is the departure procedure.
transitionIndex	number	is the index of the enroute transition in the procedure.
rwyTransitionIndex	number	is the index of the runway transition in the procedure.

Returns

string

The transition name string.

---

getDepartureNameAsString()

static getDepartureNameAsString(airport, departure, transitionIndex, runway): string

Defined in: src/garminsdk/flightplan/FmsUtils.ts:604

Gets the name of a departure procedure as a string.

Parameters

Parameter	Type	Description
airport	AirportFacility	The airport to which the departure belongs.
departure	Procedure	A departure procedure definition.
transitionIndex	number	The index of the departure enroute transition.
runway	undefined | OneWayRunway	The runway of the departure, if any.

Returns

string

The name of the departure procedure.

---

getDepartureSegment()

static getDepartureSegment(plan): undefined | FlightPlanSegment

Defined in: src/garminsdk/flightplan/FmsUtils.ts:69

Gets the departure segment from a flight plan.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

undefined | FlightPlanSegment

The departure segment in the specified flight plan, or undefined if one does not exist.

---

getDestinationSegment()

static getDestinationSegment(plan): undefined | FlightPlanSegment

Defined in: src/garminsdk/flightplan/FmsUtils.ts:145

Gets the destination segment from a flight plan.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

undefined | FlightPlanSegment

The destination segment in the specified flight plan, or undefined if one does not exist.

---

getFirstAirportFromPlan()

static getFirstAirportFromPlan(plan): undefined | string

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1346

Gets and returns the ICAO of first airport fix from the flight plan legs.

Parameters

Parameter	Type	Description
plan	FlightPlan	The flight plan to use.

Returns

undefined | string

The ICAO of first airport fix from the flight plan legs.

---

getFirstEnrouteSegment()

static getFirstEnrouteSegment(plan): undefined | FlightPlanSegment

Defined in: src/garminsdk/flightplan/FmsUtils.ts:83

Gets the first enroute segment from a flight plan.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

undefined | FlightPlanSegment

The first enroute segment in the specified flight plan, or undefined if one does not exist.

---

getFromLegForArrowDisplay()

Call Signature

static getFromLegForArrowDisplay(plan, globalLegIndex): undefined | LegDefinition

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1113

Gets the leg from which a specified flight plan leg originates for the purpose of displaying the flight plan from-to arrow.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.
globalLegIndex	number	The global index of the leg for which to get the from leg.

Returns

undefined | LegDefinition

The leg from which the specified flight plan leg originates for the purpose of displaying the from -to arrow.

Call Signature

static getFromLegForArrowDisplay(plan, segmentIndex, segmentLegIndex): undefined | LegDefinition

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1123

Gets the leg from which a specified flight plan leg originates for the purpose of displaying the flight plan from-to arrow.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.
segmentIndex	number	The index of the segment containing the leg for which to get the from leg.
segmentLegIndex	number	The index of the leg for which to get the from leg in its segment.

Returns

undefined | LegDefinition

The leg from which the specified flight plan leg originates for the purpose of displaying the from -to arrow.

---

getGlobalLegIndex()

static getGlobalLegIndex(lateralPlan, segmentIndex, segmentLegIndex): number

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1024

Gets the global leg index from a segment and segment leg index, whether or not the leg exists.

Parameters

Parameter	Type	Description
lateralPlan	FlightPlan	The Lateral Flight Plan.
segmentIndex	number	The Segment Index.
segmentLegIndex	number	The Segment Leg Index.

Returns

number

The global leg index.

---

getLastAirportFromPlan()

static getLastAirportFromPlan(plan): undefined | string

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1355

Gets and returns the ICAO of last airport fix from the flight plan legs.

Parameters

Parameter	Type	Description
plan	FlightPlan	The flight plan to use.

Returns

undefined | string

The ICAO of last airport fix from the flight plan legs.

---

getLastEnrouteSegment()

static getLastEnrouteSegment(plan): undefined | FlightPlanSegment

Defined in: src/garminsdk/flightplan/FmsUtils.ts:100

Gets the last enroute segment from a flight plan.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

undefined | FlightPlanSegment

The last enroute segment in the specified flight plan, or undefined if one does not exist.

---

getLegIndexes()

static getLegIndexes(lateralPlan, leg): undefined | LegIndexes

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1038

Gets the indexes for a leg.

Parameters

Parameter	Type	Description
lateralPlan	FlightPlan	The Lateral Flight Plan.
leg	LegDefinition	The leg definition.

Returns

undefined | LegIndexes

The leg indexes, or undefined if not found.

---

getNominalFromLeg()

static getNominalFromLeg(plan, segmentIndex, segmentLegIndex): undefined | LegDefinition

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1062

Gets the nominal leg from which a specified flight plan leg originates. The nominal from leg excludes any legs which are part of a direct to or vectors-to-final sequence.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.
segmentIndex	number	The index of the segment containing the leg for which to get the from leg.
segmentLegIndex	number	The index of the leg for which to get the from leg in its segment.

Returns

undefined | LegDefinition

The nominal leg from which the specified flight plan leg originates.

---

getNominalFromLegIndex()

static getNominalFromLegIndex(plan, segmentIndex, segmentLegIndex): number

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1086

Gets the global leg index of the nominal leg from which a specified flight plan leg originates. The nominal from leg excludes any legs which are part of a direct to or vectors-to-final sequence.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.
segmentIndex	number	The index of the segment containing the leg for which to get the from leg.
segmentLegIndex	number	The index of the leg for which to get the from leg in its segment.

Returns

number

The nominal leg from which the specified flight plan leg originates.

---

getNominalLegDtk()

static getNominalLegDtk(leg, out): Float64Array

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1182

Gets the nominal desired track for a flight plan leg, as [dtk, magVar] where dtk is the true desired track and magVar is the magnetic variation used to convert between true and magnetic desired tracks, both in degrees. If a nominal desired track could not be obtained, then the value of dtk will be equal to NaN.

Parameters

Parameter	Type	Description
leg	LegDefinition	The leg for which to get the nominal desired track.
out	Float64Array	The array to which to write the results.

Returns

Float64Array

The nominal desired track for the specified flight plan leg, as [dtk, magVar] where dtk is the true desired track and magVar is the magnetic variation used to convert between true and magnetic desired tracks, both in degrees.

---

getPublishedSpeedDescBasedOnSegment()

static getPublishedSpeedDescBasedOnSegment(publishedSpeedRestriction, segmentType): SpeedRestrictionType

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1566

Returns the speed restriction type to use based on the published speed and what segment it's in.

Parameters

Parameter	Type	Description
publishedSpeedRestriction	number	The published speed.
segmentType	FlightPlanSegmentType	The segment type.

Returns

SpeedRestrictionType

The speed restriction type to use.

---

getSequenceLegFixTypeSuffix()

static getSequenceLegFixTypeSuffix(leg, allowHdg): string

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1298

Gets the string for the leg fix type for use in a sequence list.

Parameters

Parameter	Type	Default value	Description
leg	LegDefinition	undefined	The leg definition.
allowHdg	boolean	true	If false, will not return 'hdg'. Defaults to true.

Returns

string

The left padded suffix string or empty string.

---

getVfrApproaches()

static getVfrApproaches(airport?): VfrApproachListItem[]

Defined in: src/garminsdk/flightplan/FmsUtils.ts:885

Gets an array of approach list items from an airport.

Parameters

Parameter	Type	Description
airport?	AirportFacility	An airport.

Returns

VfrApproachListItem[]

An array of approach list items for the specified airport.

---

getVisualApproaches()

static getVisualApproaches(facility): ApproachProcedure[]

Defined in: src/garminsdk/flightplan/FmsUtils.ts:910

Gets the visual approaches for the facility.

Parameters

Parameter	Type	Description
facility	AirportFacility	is the facility.

Returns

ApproachProcedure[]

The Approach Procedures.

---

isAltitudeEditable()

static isAltitudeEditable(plan, leg, isAdvancedVNav): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1420

Checks whether a flight plan leg's altitude constraint should be editable.

Parameters

Parameter	Type	Description
plan	FlightPlan	The flight plan containing the leg to evaluate.
leg	LegDefinition	The flight plan leg to evaluate.
isAdvancedVNav	boolean	Whether this is for advanced vnav mode or not.

Returns

boolean

whether a leg's altitude constraint should be editable.

---

isAltitudeVisible()

static isAltitudeVisible(plan, leg, isAdvancedVNav, isEditable?): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1482

Checks whether a leg's altitude constraint should be visible.

Parameters

Parameter	Type	Description
plan	FlightPlan	The flight plan containing the leg to evaluate.
leg	LegDefinition	The flight plan leg to evaluate.
isAdvancedVNav	boolean	Whether this is for advanced vnav mode or not.
isEditable?	boolean	Whether the constraint is editable, leave undefined if we don't know yet.

Returns

boolean

whether a leg's altitude constraint should be visible.

---

isApproachLoaded()

static isApproachLoaded(plan): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:522

Checks whether a flight plan has an approach loaded.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

boolean

Whether the flight plan has an approach loaded.

---

isGpsApproach()

static isGpsApproach(approach): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:462

Utility method to check whether an approach is authorized for GPS guidance.

Parameters

Parameter	Type	Description
approach	ApproachProcedure	The approach procedure

Returns

boolean

True if GPS guidance is authorized, false otherwise.

---

isLegAltitudeEdited()

static isLegAltitudeEdited(leg, isAdvancedVNav): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1381

Determines if a flight plan leg's altitude constraint is considered to be edited. If the leg does not have a designated altitude constraint, false will be returned.

Parameters

Parameter	Type	Description
leg	LegDefinition	A flight plan leg.
isAdvancedVNav	boolean	Whether advanced VNAV is supported.

Returns

boolean

Whether the specified flight plan leg's altitude constraint is considered to be edited.

---

isLocalizerApproach()

static isLocalizerApproach(approach): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:476

Utility method to check for an approach with a a tunable localizer.

Parameters

Parameter	Type	Description
approach	ApproachProcedure	The approach procedure

Returns

boolean

True if a localizer needs to be tuned, otherwise false.

---

isPublishedApproachLoaded()

static isPublishedApproachLoaded(plan): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:533

Checks whether a flight plan has an approach loaded.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

boolean

Whether the flight plan has an approach loaded.

---

isVfrApproachLoaded()

static isVfrApproachLoaded(plan): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:552

Checks whether a flight plan has an approach loaded.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

boolean

Whether the flight plan has an approach loaded.

---

isVisualApproachLoaded()

static isVisualApproachLoaded(plan): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:542

Checks whether a flight plan has an approach loaded.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

boolean

Whether the flight plan has an approach loaded.

---

isVtfApproachLoaded()

static isVtfApproachLoaded(plan): boolean

Defined in: src/garminsdk/flightplan/FmsUtils.ts:576

Checks whether a plan has a vectors-to-final approach loaded.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

boolean

Whether the flight plan has a vectors-to-final approach loaded.

---

onFmsEvent()

Call Signature

static onFmsEvent<ID, K>(id, bus, baseTopic): Consumer<BaseFmsEvents[K]>

Defined in: src/garminsdk/flightplan/FmsUtils.ts:44

Subscribes to one of the event bus topics published by an FMS with a given ID.

Type Parameters

Type Parameter
ID extends string
K extends keyof BaseFmsEvents

Parameters

Parameter	Type	Description
id	ID	The ID of the FMS.
bus	EventBus	The event bus to which to subscribe.
baseTopic	K	The base name of the topic to which to subscribe.

Returns

Consumer<BaseFmsEvents[K]>

A consumer for the specified event bus topic.

Call Signature

static onFmsEvent<ID, K>(id, subscriber, baseTopic): Consumer<BaseFmsEvents[K]>

Defined in: src/garminsdk/flightplan/FmsUtils.ts:52

Subscribes to one of the event bus topics published by an FMS with a given ID.

Type Parameters

Type Parameter
ID extends string
K extends keyof BaseFmsEvents

Parameters

Parameter	Type	Description
id	ID	The ID of the FMS.
subscriber	EventSubscriber<FmsEventsForId<ID>>	The event subscriber to use to subscribe.
baseTopic	K	The base name of the topic to which to subscribe.

Returns

Consumer<BaseFmsEvents[K]>

A consumer for the specified event bus topic.

---

reconcileDirectToData()

static reconcileDirectToData(plan): void

Defined in: src/garminsdk/flightplan/FmsUtils.ts:1274

Reconciles a flight plan's Direct-To data with its internal leg structure. Scans the legs of the flight plan for Direct-To legs and sets the segment index and segment leg index of the plan's Direct-To data to point to the leg immediately preceding the first Direct-To leg found, or to -1 for both if the plan contains no Direct-To legs.

Parameters

Parameter	Type	Description
plan	FlightPlan	A flight plan.

Returns

void