A proper operation and maintenance of marine systems require give specific instructions and descriptions focused on the parts of any device. This is usually taught by the use of texts and figure descriptions, but the learning process is not as immersive as reality itself. Augmented reality over real objects with mobile devices can change this learning process into a more immersive and engaging experience for the students. This technology permits the use of instructional information like texts, videos and 3D virtual objects even with animations over real elements. This powerful tool lets the student recognize any drawings and real objects in one step, and also any specific operating and/or maintenance instructions can be given. For creating these augmented reality experiences we pretend to use metaio Creator combined with metaio Toolbox. Metaio GmbH firstly released this free app on October 2012 in the Apple App Store. It lets capturing a real object (mapping) in order to easily create augmented realty experiences using real objects as references. On a first instance, we pretend to map objects like valves, pumps and other piping elements, so small groups of students will be able to observe and study this objects through their own mobile devices using a QR code for object recognition. The understanding of every object by every group of students becomes their challenge. First every group will have to discuss every relevant aspect they have discovered: working principles, operating and maintenance. Secondly they should discuss their results with other team members. Finally they will explain what they have learned to their instructor using the same AR technology.