Dear colleagues: We are pleased to inform you that in order to give more professionalism and make IVAO’s Virtual HAVANA FIR more and more similar to the real HAVANA FIR, the frequency of the Santiago de Cuba TMA (MUCU_APP) has been updated, which will be contacted from now on on the frequency 120.40 and addedRead more about Changes in the HAVANA IVAO FIR.[…]