ES-PY-L5.4

UT4.5–4.7 Current: known, unknown, and the graphic DR

ES-PY-M5 · UT4 Navegación carta (Chartwork) · ES-PY-M5-A Worked chartwork for the tightest cap in the paper: Ct, courses, fixes, currents, the rhumb line and tides.

Current problems are a **vector triangle**. Draw the boat's vector, add the current's, and read the result. Or subtract to find the current.

Independent study. xplor is not affiliated with the Dirección General de la Marina Mercante, any Spanish regional government or the Govern de les Illes Balears, and awards no title, certificate or endorsement. This course does not replace the official exam, the regulation practicals or the radio course, which must be completed at an authorised nautical school (escuela náutica de recreo). AI-drafted content pending subject-matter-expert review.