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A TLOF may be situated on an a Runway (of type equal-to 'FATO') or directly at an AirportHeliport. (i.e. The the TLOF may form an integral part of the FATO or be situated apart)).
A TLOF is identified by its designator.
In addition, its dimension may be described by a lenght length and a width.
A TLOF may have a centre point. In AIXM 5, the aimingPoint property will be used to code the centre point by using the ElevatedPoint class.
The surface of a TLOF is encoded by using the SurfaceCharacteristic SurfaceCharacteristics class (see also Surface Characteristic Characteristics [SCH]).