Electro-Technical Officer (ETO) exam course

Electro-Technical Officer (ETO) is the Certificate of Competency you need to sail as Electro-Technical Officer. It covers: Electro-Technical Officer on ships of 750 kW propulsion power or more. Before you start: An electrical or electronics diploma or degree and the approved pre-sea ETO course; or, as an Electro-Technical Rating, 24 months at sea on electrical duties and the four-month ETO course (DGS Circular 25 of 2026).

Sea service

• At least 12 months of combined workshop skills training and sea service, of which at least six months at sea as part of an approved training programme, recorded in the Training Record Book.

Courses before the exam

• The approved ETO education and training course.
• Existing electrical officers can upgrade through the approved bridging course for Electro-Technical Officers.

The exam

• Examination and assessment by DGMA for the ETO Certificate of Competency, after the course and the sea training.

DGMA (formerly DG Shipping) checks your sea service and course certificates before you sit. Exam dates and booking are on the DGMA website; written exams and orals are held at the Mercantile Marine Departments (MMDs).

Prepare with Marine One

The Electro-Technical Officer (ETO) exam course is not open yet. Leave your email and we will tell you when it opens.

Get early access

Source: MS (STCW) Rules 2014, Rule 48 · TEAP Part A, Section III/14 (DGMA). Course lengths and papers are as set out there; DGMA circulars can change them, so check the DGMA website before you book.