Influence of the Numerical Modelling Methods on Dispersions and Errors of Analysis Results of Ship Hull and Deckhouse Vibrations Selected aspects of a movable shooting system of the Mi-24 helicopter Simulation of Current Distribution Through Elements of the Overhead Contact Line Technology of Making Airfield Pavements in Relation to the Existing Requirements in Terms of Texture An Application of the Pythagorean Fuzzy Sets in the Fault Diagnosis Analysis and Evaluation of the FA-50 Capabilities for the Polish Air Force Identification of Geological and Engineering Conditions for Forging the Bed of a Large Lowland River, Based on Low-Ceiling Ad Hoc Aerial PhotographsStatistical Procedures for State Degradation Testing by Vibration Methods Preliminary Studies on the Purification of Bleaching Earth from Slack Wax Residues in the Adsorption Refining by Low-Temperature Pyrolysis Process The Process of Acquiring, Collecting, Processing and Archiving Data for the SHM System Designed to Identify Defects in Thin-Walled Structures The Peculiarities of Applying CAD/CAE Systems for the Primary Combustion Chamber Flame Tube Cycle Life Prolongation of the Tactical Military Aircraft Afterburning Turbofan Jet Engine Ground power unit LUZES as an experimental platform for studying defects for the FAM-C method Computer Aided Design Process for Hydraulic Servo Pilots’ Gaze Behavior in Simulation Research Actions of the aviation on-board fire protection system caused by short circuits in control blocks