Aviation security materials are learning materials that discuss the safety of flight operations and airport facilities. The characteristic of this activity is that it requires a lot of understanding and analysis of problems related to the safety of aviation operations and airport facilities, to be applied in the world of work. So that the purpose of this study is to determine the effect of problem-solving on learning achievement in the Passenger and Goods Inspection course of Surabaya Aviation Polytechnic. The type of research used is an experiment with a pretest-posttest non-equivalent group design, and the subjects are 68 cadets, divided into two groups, experimental and control. The analytical technique used to compare the two groups to find out the difference, using the t-test. The results of the study indicate that there are differences between the two groups which can be concluded that there is an impact of the problem-solving model on the achievement of cadets. The cadets who were treated with the problem-solving model got better achievements than the traditional ones.