Constrained by draught; less than 50 metres; port side.
Colreg Rule 28
Colreg Rule 26 (b)
Trawler; stopped and making no way through the water.
Colreg Rule 35, IV addition 1(f)
A vessel is in distress and requires assistance.
Colreg Rule 25 (c)
Sailing vessel; underway; starboard side.
Colreg Rule 37, IV addition 1(i)
A vessel is in distress and requires assistance.
Colreg Rule 28
Constrained by draught; more that 50 metres; starboard.
Colreg Rule 29 (a)
Vessel engaged on PILOTAGE duty; no specified length; port side.
Colreg Rule 27 (d)
Vessel engaged in dredging or underwater operations; less than 50 metres; restricted in her ability to manoeuvre; stopped and making no way; green lights side may pass.
Colreg Rule 26 (c)
Fishing vessel other than a trawler; starboard side.
Colreg Rule 27 (a) (i) (iii)
Not under command; making way; port side.
Colreg Rule 27 (a) (i) (iii)
Not under command; making way; ahead.
Colreg Rule 28
Constrained by draught; 50 metres or more; ahead.
Colreg Rule 27 (c)
Tug hampered by tow; less than 50 metres; astern < 200 m in length; port side.
Colreg Rule 12 (a) (i)
The sailing vessel which has the wind on the port side shall keep out of the way of the other.
Colreg Rule 28
Constrained by draught; astern.
Colreg Rule 27 (c)
Tug hampered by tow; 50 metres or more; astern > 200 m in length; starboard side.
Colreg Rule 27 (b) (i) (iii)
Restricted in her ability to manoeuvre; less than 50 metres; ahead.
Colreg Rule 27 (c)
Tug hampered by tow; 50 metres or more; astern > 200 m in length; port side.
Colreg Rule 27 (d)
Vessel engaged in dredging or underwater operations; 50 metres or more; restricted in her ability to manoeuvre; starboard side; underway; starboard side on which the obstruction exists.
Colreg Rule 27 (d)
Vessel engaged in dredging or underwater operations; 50 metres or more; restricted in her ability to manoeuvre; port side; port side on which may pass.