1:1 ON YOUR DATE
IRPCS - Colregs - International Regulations for Preventing Collisions at Sea
Colregs / IRPCS aids to learning
Click here for a chart with all the IRPCS Lights, Shapes and Symbols
On line Colregs Test IRPCS summary on 2 pages
The full text of IRPCS is here Good on line teaching here: www.aztecsailing.co.uk
If you hear a vessel ahead in fog, slow down but maintain steerage way, stop if necessary, and navigate with caution till the danger of collision is past.
Lights and Shapes Return to Home Page
Click here for some photo examples : Shapes pictures
Note that these are the 'perfect' images. You are likely to see many more white lights on vessels, particularly fishing, cruise ships, ferries and cargo vessels. These white 'working' lights can be much brighter than the recognition lights. They will dominate the view until you are much closer.
Shapes also may be small or difficult to discern (see pictures link above).
MCA Orals - Underway or What - I have just found this site,
which is a set of questions asked in the MCA Merchant Seamans' exams.
It's more suitable for Yachtmasters, but there is good information there
for everyone - particularly it gives an outlook from professional
Underway or what Rules of the Road Also look at Light Recognition and the 'Situations' and 'Alterations' tabs.
Collision avoidance colregs rules of the road
2nd February 2010