Successful AMHS interoperability tests have been conducted in the Asia-Pacific region between India and Singapore. On 14 October the first AMHS message was exchanged between the Airports Authority of India (AAI) and the Civil Aviation Authority of Singapore (CAAS) in the course of conducting bilateral interoperability tests of the new AMHS standard for ground-to-ground messaging communication. Both participating administrations operate COMSOFT’s mature messaging solution AIDA-NG which has two operational AMHS links in Europe and the Middle East.