GM1 to AMC1 DAT.OR.100(a) Aeronautical data and information

NON-AUTHORITATIVE SOURCE

(a)A non-authoritative source may be an organisation other than those defined in point 32 of Annex I, but providing and/or publishing data derived from data gathering or measuring performed (e.g. by aircraft operators, air crew, DAT providers, or other similar operational organisations, or a combination thereof), transformation of various sources to provide aeronautical data which conform with relevant standards and data quality requirements as specified by the airspace end users.

(b)When validating data from a non-authoritative source, the DAT provider should proceed by using either additional information sources to validate this data (like satellite imagery, data or manuals from other providers, users, military, etc.), or data which has been tested and confirmed through operations.