TouchDownLiftOff


             urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff

A load bearing area on which a helicopter may touch down or lift off.

Source: ICAO Annex 1
Synonyms: Touchdown and Lift-off Area
Abbreviations: TLOF
Parent concept: GeoTemporalEnabledEntity

Properties:

Properties	Definition	Type
designator	The designator of the touch down and lift-off area.	CharacterString
helicopterClass	The class of a helicopter associated with a touch down and lift-off area.	AircraftCategory
aimingPoint	The centre point of the touch down lift-off used as a significant point on instrument approach procedures.	InfrastructurePoint
contaminant	Touch down lift-off contaminant.	TouchDownLiftOffContamination
associatedAerodrome	The aerodrome the touch down lift-off zone is associated with.	Aerodrome
connectingGuidanceLine	A GuidanceLine which connects to the TouchDownLiftOff	GuidanceLine
availability	The operational status of the touch down lift-off area.	ManoeuvringAreaAvailability
approachTakeOffArea	The approach and take off runway area containing the touchdown lift off zone.	Runway
surfaceProperties	Surface characteristics of the touch down and lift-off zone.	SurfaceCharacteristics
touchDownLiftOffLightSystem	The LightSystem provided for an TouchDownLiftOff	TouchDownLiftOffLightSystem
touchDownLiftOffMarking	The Marking marked on the TouchDownLiftOff	TouchDownLiftOffMarking
touchDownLiftOffSafeArea	A safe area protecting the touch down lift-off area.	TouchDownLiftOffSafeArea
navaid	Navaid installed at a particular landing area.	RadioNavigationService
width	The physical width of the touchdown and lift-off area.	ValDistanceType
slope	The slope (rate of upward inclination of the surface from the horizontal) of the surface of a touch down and lift-off area.	Decimal
length	The physical length of the touchdown and lift-off area.	ValDistanceType
isAbandoned	An indicator that the touch down and lift-off area is no longer in operational use, but it is still physically present and visible, although usually in a degraded state.	Boolean

designator


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@designator

The designator of the touch down and lift-off area.

type: CharacterString

Model	Concept
AMXM 2.0.0	idrwy
AIXM 5.1.1	designator

helicopterClass


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@helicopterClass

The class of a helicopter associated with a touch down and lift-off area.

type: AircraftCategory

Model	Concept
AIXM 5.1.1	helicopterClass

aimingPoint


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@aimingPoint

The centre point of the touch down lift-off used as a significant point on instrument approach procedures.

type: InfrastructurePoint

Model	Concept
AIXM 5.1.1	aimingPoint

contaminant


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@contaminant

Touch down lift-off contaminant.

type: TouchDownLiftOffContamination

Model	Concept
AIXM 5.1.1	contaminant

associatedAerodrome


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@associatedAerodrome

The aerodrome the touch down lift-off zone is associated with.

type: Aerodrome

Model	Concept
AIXM 5.1.1	associatedAirportHeliport

connectingGuidanceLine


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@connectingGuidanceLine

A GuidanceLine which connects to the TouchDownLiftOff

type: GuidanceLine

availability


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@availability

The operational status of the touch down lift-off area.

type: ManoeuvringAreaAvailability

Model	Concept
AIXM 5.1.1	availability

approachTakeOffArea


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@approachTakeOffArea

The approach and take off runway area containing the touchdown lift off zone.

type: Runway

Model	Concept
AIXM 5.1.1	approachTakeOffArea

surfaceProperties


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@surfaceProperties

Surface characteristics of the touch down and lift-off zone.

type: SurfaceCharacteristics

Model	Concept
AIXM 5.1.1	surfaceProperties

touchDownLiftOffLightSystem


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@touchDownLiftOffLightSystem

The LightSystem provided for an TouchDownLiftOff

type: TouchDownLiftOffLightSystem

touchDownLiftOffMarking


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@touchDownLiftOffMarking

The Marking marked on the TouchDownLiftOff

type: TouchDownLiftOffMarking

touchDownLiftOffSafeArea


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@touchDownLiftOffSafeArea

A safe area protecting the touch down lift-off area.

type: TouchDownLiftOffSafeArea

navaid


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@navaid

Navaid installed at a particular landing area.

type: RadioNavigationService

width


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@width

The physical width of the touchdown and lift-off area.

type: ValDistanceType

Model	Concept
AIXM 5.1.1	width

slope


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@slope

The slope (rate of upward inclination of the surface from the horizontal) of the surface of a touch down and lift-off area.

type: Decimal

Model	Concept
AIXM 5.1.1	slope

length


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@length

The physical length of the touchdown and lift-off area.

type: ValDistanceType

Model	Concept
AIXM 5.1.1	length

isAbandoned


              urn:aero:airm:1.0.0:LogicalModel:Subjects:BaseInfrastructure:AerodromeInfrastructure:TouchDownLiftOff@isAbandoned

An indicator that the touch down and lift-off area is no longer in operational use, but it is still physically present and visible, although usually in a degraded state.

type: Boolean

Model	Concept
AIXM 5.1.1	abandoned