In frigates and smaller ships the watertight integrity of the ship is controlled by the Officer of the Watch in all ABCD States of Readiness other than State I (the Action State).
Isikhephe senqanawa esinesatya nenqanawa ezincinci ukudibana kwamanzi kulawulwe ngamagosa uokugada kumbuso wonke we ABCD wokufunda nakumbuso I(inyathelo lombuso).