Wheelhouse and bridge wings.
Source: IMO Resolution MSC.128(75), Recommendation on Performance Standards for a Bridge Navigational Watch Alarm System (BNWAS), 20 May 2002, International Maritime Organization. Regulatory Guidance
Bridge. A bridge is a superstructure which does not extend to either the forward or after perpendicular. <Chapter I, regulation 3>.
Source: IMO Resolution MSC.143(77), amendments to Annex B to the 1988 Load Lines Protocol, 5 June 2003, International Maritime Organization. Legislation