ACN/PCN

Question 1

ACN

Answer 1

Number expressing the relative effect of an aircraft load on a pavement for a specified sub grade strength.

ACN can be determined from appropriate table in perf manual using aerodrome PCN.

Question 2

PCN

Answer 2

A number expressing the bearing strength of a pavement for unrestricted operations.

PCN can be found on aerodrome AOI page.