International Code Of Signals Errata 2022 |top| Jun 2026

You can download the full errata sheet directly from the International Maritime Organization (IMO) Supplements page. International Code of Signals

| Section | Page | Current Text/Image | Correction | |---------|------|--------------------|-------------| | Table of General Signals – Two‑letter signals | 78 | – “I require a doctor.” | GW – “I require medical assistance.” (Aligns with 2022 IMO MSC circular) | | Annex B – Flashing light | 205 | Morse “U” shown as dot‑dot‑dash (incorrect) | Morse “U” = dot‑dot‑dash (corrected as dot‑dot‑dash – illustration fixed) | international code of signals errata 2022

If you use an official IMO‑approved e‑reader (e.g., IMO Bookshelf), errata are often auto‑patched. You can download the full errata sheet directly