Securing the airway through endotracheal intubation (ETI) is a fundamental skill for anaesthetists. It is used during surgery, in the intensive care unit, during periprocedural anaesthesia and in emergency medicine. The clinical relevance of airway management is demonstrated in particular by the fact that the main cause of serious anaesthesia-related complications lies in the area of airway management. increasing technological developments in recent years (e.g. video laryngoscopy \[VL\]) aim to reduce the complication rate in the area of airway management. however, there are currently a large number of VLs available, which differ massively in their application. Therefore, it is essential to systematically collect data and develop structured training in airway management, taking into account current technological developments.While endotracheal intubation is traditionally performed with a direct laryngoscope, indirect video laryngoscopy, with chip-based camera technology at its tip, has been introduced across the board in recent years and is now part of standard clinical and preclinical equipment. Doctors in advanced training are trained with a focus on direct laryngoscopy; the use of and training in indirect video laryngoscopy does not follow any standards; in addition, the decision as to which method of securing the airway is chosen has so far been the responsibility of the individual doctor in anaesthesiology, although there is a tendency for the VL to be associated with a higher success rate in the first intubation attempt, the so-called first-pass success.The main aim of this clinical prospective, randomised controlled trial is to train anaesthetists in advanced training in conventional direct laryngoscopy on the one hand and indirect video laryngoscopy (VL) on the other, with a focus on tracking the progress of their skills after 200 intubations with regard to first-pass success.