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The Electro-Technical Officer (ETO) role is a specialist STCW qualification for seafarers responsible for the electrical, electronic, and control systems aboard modern ships and superyachts. Required under the Manila Amendments to STCW, the ETO certificate (STCW III/6) covers electrical power generation, distribution, electronics, automation, and shipboard IT and AV systems. On superyachts, AV-IT crew handle audiovisual systems, network infrastructure, satellite communications, and integrated bridge technology. Training for this role may include formal STCW ETO programmes, marine electrical courses, and manufacturer-specific systems training. As superyachts become increasingly technology-rich, demand for qualified ETO and AV-IT crew continues to grow.
An ETO manages all electrical, electronic, automation, and control systems aboard the vessel — from power distribution and generators to navigation electronics and AV/IT networks.
Yes. STCW III/6 is the internationally recognised ETO Certificate of Competency. Many flag states now require this for designated ETO roles on commercial vessels.
AV-IT roles are not covered by a single STCW certificate. Crew typically combine marine electrical qualifications with manufacturer training in integrated systems.
Specialist maritime colleges and engineering training providers offer ETO pathways. Some combine STCW ETO preparation with practical systems training for the superyacht sector.
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