This outlines the key systems, machinery and equipment found in a ship's engine room, from their function to operation and maintenance. It is an introduction for marine engineering HNC, HND and foundation degree students and cadets, and a useful guide for deck officers and cadets.

Alexander Olsen is a Senior Consultant at RINA Consulting Defence UK. He is STCW II 1995 qualified and has also worked as a marine training designer, marine auditor, and fisheries observer. He is the author of Introduction to Ship Operations and Onboard Safety and Core Concepts of Maritime Navigation (both with Routledge, 2022).