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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 (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

The ApronElement BASELINE TimeSlice shall have ApronAreaAvailability with 'operationalStatus' equal to

  • '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

The "aircraft-flight-PPR" branch can be used more than once. If this the case, then a parent ConditionCombination with logicalOperator='OR' shall be coded first. Otherwise, this parent element is not necessary.

Then, each flight and/or aircraft combination shall be coded as a child ConditionCombination with logicalOperator equal to:

  • 'NONE' - if either a flight condition or aircraft condition is specified (but not both);
  • 'AND' - if both a flight condition and aircraft condition are specified.

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'.
ER-12The system shall automatically identify the FIR where the AirportHeliport is located. This shall be coded as corresponding concernedAirspace property in the Event
ER-13The AirportHeliport associated with the Apron with the area limitation shall also be coded as concernedAirportHeliport property in the Event.

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