Vertaling van "significantly reduce contour " (Engels → Frans) :

If the fleet would be composed of chapter 4 aircraft only, this could significantly reduce contour growth at some airports in the light of their specific local situations.
Si la flotte ne se composait que d'aéronefs Chapitre 4, la croissance des contours pourrait diminuer considérablement dans certains aéroports étant donné leur implantation particulière.