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Data encoding rule

ER-01

The temporary usage limitation of an apron portion shall be encoded as:

  • a new Event with a BASELINE TimeSlice (encoding=DIGITAL, scenario=APE.LIM, version=2.0), for which a PERMDELTA TimeSlice may also be provided; and

  • a TimeSlice of type BASELINE for the ad-hoc ApronElement feature, for which the “event:theEvent”property points to the Event instance created above;

ER-02ApronElement BASELINE TimeSlice shall have associatedApron xlink:href the Apron on which is located (as selected by the operator)
ER-03The location and extent description shall be encoded in free text as an ApronElement.annotation with propertyName="extent" and purpose="DESCRIPTION"

ER-04

ApronElement BASELINE TimeSlice shall have ApronAreaAvailability with operationalStatus

  • =LIMITED, if the apron portion usage is "conditional for", "closed, except for", "prohibited for";
  • =OTHER:EXTENDED, if the apron portion usage is "allowed for".
ER-05

If the apron portion usage is "conditional for" specified operations, flight and/or aircraft categories, then all specified limitations shall be encoded as ApronAreaUsage child elements with type=CONDITIONAL.

ER-06

If the apron portion is "closed, except for" specified operations, flight and/or aircraft categories, then all specified limitations shall be encoded as ApronAreaUsage child elements with type=RESERV.

ER-07

If the apron portion usage is "prohibited for" specified operations, flight and/or aircraft categories, all specified limitations shall be encoded as ApronAreaUsage child elements with type=FORBID.

ER-08If the apron portion usage is "allowed for" specified operations, flight and/or aircraft categories, all specified limitations shall be encoded as ApronAreaUsage child elements with type=PERMIT.
ER-09

If a unique flight or aircraft is specified as part of the condition, they shall be encoded as one ConditionCombination with logicalOperator="NONE".

Otherwise, each pair of flight and aircraft shall be encoded as one ConditionCombination with logicalOperator="AND".

ER-10

If PPR time is specified, the uom attribute shall also be specified.

ER-11If there exists aircraft stands on the ApronElement affected by a usage limitation and if the apron portion limitation makes the aircraft stand (partially) unavailable, then a consequence STAND.LIM scenario shall also be encoded for the relevant AircraftStand feature and shall include a reference to the current event with role 'causeEvent'.

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