Innovative changes in maintenance strategies of ATO’s aircraft based on their operational status

Safe and efficient maintenance plays a very important role in air transport. A failure of an aircraft body sections, or component is the second most common cause of an accident or incident. At present, it is moving from repairs after failure and preventive maintenance to proactive and predictive maintenance of aircraft, which means diagnostic evaluation and monitoring of the condition of aircraft body section. Individual body sections and components have different operating live. They are dimensioned for a certain type of operations and based on these operations they have set their limits and maintenance procedures. The way in which an aircraft is operated affects, among other things its overall technical condition. The aim of this article is based on the analysis to assess the operational status of training aircraft, to analyse the conditions in which they are operated and to what conditions they are exposed, to further analyse their failures and the current maintenance program. Based on the comparison and overall analyses, identify the critical elements that are subject to the greatest wear in the case of training aircraft and propose possible changes in the maintenance program of the selected Zlin Z-142 training aircraft. The results of the research are proposals for changes in the maintenance strategy, which can increase the probability of early detection of a hidden failure and its subsequent repair. This contributes to increasing the safety of aircraft operation for pilot flight training. By adjusting periodic maintenance procedures, it is possible to prevent the wear of expensive components, which leads to an increase in the overall economic efficiency of aircraft maintenance.