Lanterna – COLREG Trainer

Lanterna is a study app for deck cadets and officers preparing for OIC-NW (MARINA), 2nd Mate and MCA oral exams. Lights and shapes from every angle, COLREG situations, IALA buoyage, sound signals, flags, GMDSS, VHF/SMCP, chart symbols and Morse. Every answer explains the rule. Works offline. One-time purchase, no subscription, no ads, no account.

On this channel: night cards and day shapes to name in 5 seconds, quiz videos for Function 1 review, and the rule behind every answer. Para sa mga reviewees: comment your answer, sagot pinned the next day.

Try it in the browser: https://app.lanternakonsult.se/?src=youtube
Android (₱249 / ₹349, one time): https://play.google.com/store/apps/details?id=se.lanternakonsult.lanterna&referrer=utm_source%3Dyoutube%26utm_medium%3Dsocial%26utm_campaign%3Dchannel

Made by a Swedish master mariner. Lanterna Konsult AB, Sweden.