COLREGs Lights & shapes

2019年08月16日

Correction on "Angles and distances" test.
Label correction for rule R25.c : "Sailing vessel of less than 20m in length underway (two all-round lights in a vertical line)" now reads "Sailing vessel underway (two all-round lights in a vertical line)".
Night mode now included, as requested by many users. Available for Premium users.