Experimental results obtained during the operational analysis of a system designed for the realisation of acoustic levitation are presented. The system is actuated with piezoelectric elements and creates a linear air bearing using the principle of a squeeze film. The main performance parameter considered is the load value which is levitated in different conditions. To characterize the operational bearing performances, a coupled Finite Element model was created allowing the study of the floating characteristics at various operating parameters. The resonance frequencies were investigated using Digital Image Correlation analysis. A speckle pattern appropriate for all the frequency interval of operation of the system was created. The image acquisition was carried out using high-speed Phantom cameras with 1-Megapixel resolution. The test set up parameters, such as the sampling frame rate were determined for the analysis of a maximum operation frequency range of 15kHz. The specific area of the squeeze film was targeted during the DIC test, and the variation of displacement was obtained at the suboptimal operating frequencies for a number of vibration cycles. The operational frequencies and local mode shapes obtained using the DIC measurement were correlated with the FE results and in this paper the test set up, experimental and analytical results, as well as the correlation process are discussed. The objective of this work is to develop a robust system allowing an increased levitated load to be transported on a specific distance with less actuation power.