Businesses are built by the combination of a number of material and human resources. The continuity of this process is determined by the mutual formal and informal relationship and communication. In this respect, the relationship between the manager and the employee within the organization has always played a determining role in the strength of this bond. The aim of this study is to investigate the effect of informal relationships and executive support on organizational commitment in the aviation industry. The scope of the research is composed of workers in the aviation industry in Turkey. Survey technique was used as a data collection method in the research and it was carried out with 417 people working actively in the aviation sector. Data were collected reliably and hypotheses could be tested. Validity, reliability and factor analysis of the data were performed using the SPSS program. Then, confirmatory factor analysis and structural equation modeling analyzes were conducted with Lisrel 8.8 version. As a result of the research, it was seen that the management support affects the organizational commitment. However, no meaningful relationship between informal relationship and organizational commitment has been determined.