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English thesaurus
Aircraft Classification Number
abbr., scottish	CAN
aircraft classification number
avia.	A number expressing the relative effect of an aircraft on a pavement for a specified standard subgrade category. (The aircraft classification number is calculated with respect to the center of gravity (CG) position which yields the critical loading on the critical gear. Normally the aftmost CG position appropriate to the maximum gross apron (ramp) mass is used to calculate the ACN. In exceptional cases the forwardmost CG position may result in the nose gear loading being more critical.)
avia., avia., ICAO	A number expressing the relative effect of an aircraft on a pavement for a specified standard subgrade category