Objective: a hygienic assessment of working conditions and an analysis of the morbidity of aircraft workers.Materials and methods: the study was carried out on the basis of data from the Office of the Federal Service for Supervision of Consumer Rights Protection and Human Well-Being in the Republic of Tatarstan (Tatarstan) and the Center for Occupational Pathology Scientific and Clinical Center for Preventive Medicine of the Institute of Fundamental Medicine and Biology of the Kazan (Volga Region) Federal University.Results: hygienic monitoring of the working conditions of employees of the aviation plant showed a combined effect of harmful factors of the production environment and the labor process, corresponding to classes 3.1–3.2 in a number of professions. Among the diseases identified in employees of the enterprise, diseases of the eye and its accessory apparatus, circulatory organs and hearing predominate. According to the results of the medical examination, 6.4% of the subjects were found to have a suspicion of occupational chronic bilateral sensorineural hearing loss.Conclusions: research results indicate that there is a risk of developing occupational pathology as a result of exposure to physical factors. The employer was given recommendations to improve working conditions and preserve the health of workers.