Symbol 6185-3 from IEC 60417 - Title/Meaning: Own ship, minimised Function/description: To indicate the position of an own ship, if a navigation display presents the radar mode.[]Where appropriate, this graphical symbol shall be combined with the true scaled outline of own ship (6185-1).
Additional information: 
See also symbols 6185-1 and 6185-2
""If a navigation display presents the radar mode, own ship shall be presented as a minimised symbol. The minimised symbol is comprised of the heading line (see symbol 1.3) and the beam line (see symbol 1.4).,Where appropriate, the minimised symbol shall be combined with the true scaled outline of own ship.,NOTE A loss of heading will force the radar into head-up mode (see IEC 62388) whereby the minimised symbol should be used.""
Own work using: iso.org/obp/graphics/grs/6f0c2daf-a902-4cdd-be04-507ddf12260e 200.png
Vectorization:  Mrmw