WG-76 is tasked to define standards for AIS and MET Data Link services. WG-76 has defined 17 services for the provision of AIS and MET data for downlink, uplink and crosslink. The work of WG-76 is performed joint with RTCA SC-206 AIS/MET Datalink Services. The detailed service definitions will be contained as an Annex to the MASPS already published by RTCA SC-206 (DO-364).