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Latest map data versions are listed below:

North American maps: GRD_ALK.NA 2020.03 

European maps: GRD_NT.EU 2020.02

Africa maps: GRD_NT.AF 2020.01

Middle Eastern maps: GRD_NT.ME 2020.02

Asia map: GRD_NT.AS 2020.02

Australasia maps: GRD_NT.OC 2020.2

South America map: GRD_NT.SA 2020.02