53Signals given by vessels

#### 53 Signals given by vessels 53 Signals given by vessels > > (1) The **request open bridge** signal for a vessel that requires a bridge to be opened is to be given by 3 long blasts on the vessel’s siren or whistle. > > > (2) The **ready to pass through** signal for a vessel that is ready to pass through an open bridge is to be given by one long blast, followed by one short blast, on the vessel’s siren or whistle.