airport reference point

Also found in: Acronyms.

airport reference point (ARP)

Airport obstruction charts (OC).

A point on the airport designated as the official airport location. It is generally indicated in six-digit coordinates. The ARP is located as near as is practical to the geometric center of the landing area, taking into account possible future development. Magnetic bearings and distances of obstructions within 4 NM that may constitute hazards are measured from the ARP. The same as aerodrome reference point

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