We used standard Monte Carlo simulations to investigate the magneticproperties of a spin-1 Ising multilayer system composed of two non-equivalentplanes A and B, where B being site-diluted. Antiferromagnetic interlayerand ferromagnetic intralayer spin couplings have been considered.Our calculations indicated the occurrence of a compensation phenomenon where the magnetization vanishes before the critical temperature. The effects of various model parameters on the system magnetic properties have been examined in detailand presented in the form of phase diagrams. The results bore some resemblancewith those reported in some previous works on systems with or withoutsite-dilution. Depending on values of the spin concentration parameter Pthe model displayed first- and second-order phase boundaries with theexistence of a tricritical point. Manuscript profile