To obtain data on a ship's turning performance at different speeds and angles of rudder, comprehensive turning trials are carried out by the Department of Ships in the first ship of each new class.
Ukufumana iinkcukacha ngokujika kwenqanawa kwizantya ezohlukeneyo nakwii-engile zomphini, ukulinga ukujika kuyenziwa Licandelo Leenqanawakwinqanawa yokuqala yodidi kokuqala.