The method is based on the assumption that each ship puts her engines to half-speed ahead at the revolutions for the speed ordered in one movement at the calculated moment.
Le ndlela yenziwe ngokwesizindlo sokuba inqanawa nganye ibeka i-enjini yayo esiphakathini sesantya esingaphambili kujikelezo ngokwesantya esinikiweyo kushukumo lobalo lwendawo.