The Sector Specific Data Management service supports any connecting CWP client to send certain inputs in order to trigger the correct & latest up-to-date controller information regarding sector-specific information and coordination & transfer information, more specifically:
• Allow taking control of a flight (or proposing hand-over, request-on-frequency, etc.),
• Change the coordinated entry and exit levels,
• Deliver departure clearance for an flight departing from an internal aerodrome,
• Skip and cancel-skip of an internal sector,
• Bypass and cancel-bypass of the 1st downstream internal sector,
• Delegate the flight to another internal sector,
• Change the next downstream internal sector into the preferred one,
• Change the entry/exit frequency of sectors,
• Etc.
When an input is made and successfully processed the response to the request is delivered in two parts:
• Each input is first replied with the AcknowledgementMessage to indicate the acceptance or rejection of the request. The client is expected to start an internal timer in order to capture those cases where there would be no reply. In case of the latter, the client is expected to trigger a new input.
• Secondly, provided the input was accepted, the updated information (as delivered by the Flight Plan Data Distribution & Sector Specific Data Distribution service) on the flight is sent. As such, subscription to the both aforementioned services is mandatory prior the user requesting sector specific data modifications.
Operations
To process the input of a control input command, to allow either:
• Take control of the flight,
• Transfer control of the flight,
• Delegate control of the flight to the sector where the flight is geographically located,
• Hand-over propose/accept.
To process the input of an entry flightlevel for the coordination between internal sectors or with the external upstream partner.
To process the input of a transfer flightlevel for the coordination between internal sectors or with the external downstream partner.
The operation allows to:
• Skip and cancel-skip of an internal sector,
• Bypass and cancel-bypass of the 1st downstream internal sector,
• Delegate the flight to another internal sector,
• Change the next downstream internal sector into the pre-ferred one.
The operation allows performing coordination changes related to the entry of the sector performing the request. The operation applies to both internal and external entry coordination.
Changes to the following items can be requested, or negotiated:
• NFL & NSFL (as also possible with requestNFL – see section 3.6.4)
• Departure level (indicates the initial cleared level for departure flights out of an internal aerodrome)
• ETO (Estimated Time Over)
• COP (Coordination Point)
• PSSR (Present SSR Code)
• DCT-to point (including intermediate point if required)
• Accepting Frequency
• Speed
• Heading
The operation allows performing coordination changes related to the exit of the sector performing the request. The operation applies to both internal and external exit coordination.
Changes to the following items can be requested, or negotiated:
• TFL & TSFL (as also possible with requestTFL – see section 3.6.5)
• ETO (Estimated Time Over)
• COP (Coordination Point)
• PSSR (Present SSR Code)
• DCT-to point (including intermediate point if required)
• Transferring Frequency
• Speed
• Heading
The operation allows performing a departure clearance (for a flight departing from an internal aerodrome). For example, a TWR sector can perform this action, or eventually a higher sector that has to deliver the departure clearance.
Items available in the departure clearance are kept limited for the first phase and include:
• Departure level (indicates the initial cleared level for departure flights out of an internal aerodrome)
• Take-off time
• PSSR (Present SSR Code)
• Accepting Frequency
• SID
• Departure runway
The operation allows an OPS sector:
• To select the frequency to be sent to the transferring previ-ous adjacent center or internal sector,
• To select the default for the frequency to be sent to the transferring previous adjacent center or internal sector,
• To change the exit frequency with the next partner or internal sector,
• To reset the exit frequency.
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