Airport reference point
![Alternative text](../I/m/Airport_reference_point.jpg)
Airport reference point of the defunct Berlin Tempelhof Airport
![Alternative text](../I/m/AirportReferencePoint2.jpg)
Airport reference point of the defunct Berlin Tempelhof Airport
An airport (or aerodrome) reference point (ARP) is the centre point of an airport, located at the geometric centre of all the usable runways.