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Assumptions for baseline data
It For AirportHeliport for which ApronElement limitation is to be reported, it is assumed that AirportHeliport BASELINE that AirportHeliport BASELINE Timeslice, covering the entire duration of the event exist exists and have been coded as specified in the Coding Guidelines for the (ICAO) AIP Data Set.
In addition the information about the Apron, for which an impacted ApronElement describesPartOf, already exists in the form of a Apron BASELINE TimeSlice, which contains as a minimum:
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