Name	Data Type	Definition
designator	TextDesignatorType	The full textual designator of the runway, used to uniquely identify it at an aerodrome/heliport which has more than one. E.g. 09/27, 02R/20L, RWY 1.
type	CodeRunwayType	The type can be either runway for airplanes or final approach and take off area (FATO) for helicopters.
nominalLength	ValDistanceType	The declared longitudinal extent of the runway for operational (performance) calculations.
lengthAccuracy	ValDistanceType	Accuracy of the value of the physical length of the runway.
nominalWidth	ValDistanceType	The declared transversal extent of the runway for operational (performance) calculations.
widthAccuracy	ValDistanceType	Accuracy of the value of the physical width of the runway.
widthShoulder	ValDistanceType	The value of the runway shoulder width.
lengthStrip	ValDistanceType	The value of the physical length of the strip. The runway strip is a defined area including the runway and, if applicable, the stop-way. It is intended (a) to reduce the risk of damage to aircraft running off the runway and (b) to protect aircraft flying over the runway during take-off or landing operations.
widthStrip	ValDistanceType	The value of the physical width of the strip.
lengthOffset	ValDistanceSignedType	A value specifying the longitudinal offset of the strip, when it is not symmetrically extended beyond the two runway ends. Notes: The longitudinal offset defines the distance along the centreline from the middle of the runway centreline towards the middle of the strip centreline. An offset in the direction defined from the threshold with the lower runway direction designation number towards the opposite runway threshold is indicated by a positive value. An offset in the opposite sense is indicated by a negative value. Example: a runway oriented 09/27 has a strip that is extending 120 m before the threshold of the runway direction 09 and only 100 m before the threshold of the runway direction 27. The value of the longitudinal offset will be -10 m.
widthOffset	ValDistanceSignedType	A value specifying the lateral offset of the strip, when it is not symmetrically extended beyond the two runway edges. Note: The lateral offset defines the distance from the runway centreline to the strip centreline in direction perpendicular to the runway centreline. An offset to the right, based on the direction defined from the threshold with the lower runway direction designation number towards the opposite runway threshold, is indicated by a positive value. An offset to the left is indicated by a negative value. Example: a runway oriented 09/27 has a strip that is extending 150 m to the right of the runway direction 09 and 300 m to the left of the same runway direction. The value of the lateral offset will be -75 m.
abandoned	CodeYesNoType	Indicating that the surface is no longer in operational use, but it is still physically present and visible, although usually in a degraded state.

Association	Multiplicity	Role	To	Role description
hasSurfaceDescribedBy	0..1	surfaceProperties	SurfaceCharacteristics	Surface characteristics of the runway.
isSituatedAt	0..1	associatedAirportHeliport	AirportHeliport	The Airport the Runway is associated with.
isContaminated	0..*	overallContaminant	RunwayContamination	Runway contaminant.
hasAnnotations	0..*	annotation	Note
hasSectionContaminated	0..*	areaContaminant	RunwaySectionContamination	Area contamination of a runway.

From	Association	Multiplicity	Role	To	Role description
RunwayDirection	uses	0..1	usedRunway	The runway used by the RunwayDirection.
RunwayElement	describesPartOf	0..*	associatedRunway	Runway associated with the element.
TaxiHoldingPosition	preventsEntryOn	0..*	protectedRunway	Runway protected by the taxi holding position.
TouchDownLiftOff	isSituatedOn	0..1	approachTakeOffArea	The approach and take off runway area containing the touchdown lift off zone.
RunwayMarking	isMarkedOn	0..1	markedRunway	Runway that is marked.
RadarSystem	IsUtilised	0..*	PARRunway	A choice of Runway or AirportHeliport.

1 - Runway , 1 - Surface Contamination , 1 - Surface Marking , 1 - Surveillance System , 1 - TLOF , 2 - AirportHeliport Associations , 2 - Runway Direction , 3 - Taxi Holding Position