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Substitution

 

In simplified substitutions, the need to identify specific pairs of exchanges or substitutions (e.g., flight 1 cancels and flight 2 is substituting into flight 1's slot) is eliminated. Users will be allocated a set of arrival slots, and in the initial solution, there will be an initial assignment of flights to slots. If a user cancels or delays a flight that would change the slot assignments, the user will simply report that flight 2 is now assigned to slot 1, flight 3 is assigned to slot 2 and so forth. The capability to conduct simplified substitutions is being imbedded in the modified message of the CDM message structure.



Simplified Substition Process document
MS Word (101 KB)
Posted 12/10/01 - FAA GDP Simplified Substitution message process. Old SI-message subbing will be turned off in March 2002.

Slot Credit Substitutions -
Why This is a Desirable Goal

Powerpoint (102KB)

Posted 07/16/01. Presentation given at the April A&D meeting.
Queue Assignment - Flights w/Airline Created Slots
Powerpoint (56KB)

Posted 07/16/01. Presentation from Miro Lehky (Metron Aviation) given at the June CDM Meeting.
Simplified Subs Update
Powerpoint (57KB)

Posted 07/16/01. From April '01 A&D meeting, the latest on simple subs implementation.
Requirements for Simplified Subs
MS Word (202KB)
Posted 1/17/01. Version 11 of the Simplified Subs Specification from Ken Howard (Volpe).
Substitution Rules and Data Quality - Deliberations and Recommendations
Powerpoint (34KB)
Posted 12/18/00. From the CDM A&D group.


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