should verify these changes to prevent miscommunication during emergency or navigational procedures. Official supplements and errata are typically available through the IMO Publications supplements page summary table
| 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