- subgrade category
- категорія ґрунтової основи (аеродрому)
Англійсько-український словник авіаційних термінів / Уклад.: Р.О. Гільченко. - К.: НАУ. 2009.
subgrade category
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aircraft classification number — A number expressing the relative effect of an aircraft on pavement for a specified standard subgrade category (ICAO). Pavement refers to runways or operating areas. Using this method, it is possible to express the effect of individual aircraft on … Aviation dictionary
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