USCG-OICEW-L4.3
The ETO approved training
USCG-OICEW-M4 · The Electro-Technical Officer — STCW III/6 · USCG-OICEW-M4-A The endorsement that stands alone
The ETO training requirements split cleanly in two. **11.335(a)(3)** is safety — the same kind of items every seafaring officer holds. **11.335(a)(4)** is the profession, and it is where the endorsement earns its name.
AI-drafted catalogue content pending SME review. STCW sea service, approved training and assessment requirements change; verify with the National Maritime Center before relying on this for a career decision.