ETMS Airport Designators Zip File (319KB) Posted 07/25/01. A list of preferred airport designators that ETMS will accept in CDM messages.	ETMS Aircraft Type Designators DAT File (94KB) Posted 07/25/01. A list of the aircraft designators that ETMS will accept in CDM messages.
Airline Switch to Simplified Subs MS Word (44KB) A list of the steps for switching the airline substitution process from the SI messages to the simplified subs.	Aircraft Type Designator Key - A format description of the Aircraft Type Designators file.
Slot Hold Flag Issue Powerpoint (102KB) Posted 07/16/01. Presentation given at the April A&D meeting to discuss the Slot Hold Flag in the ADL.	ATCSCC DQ Data Quality Presentations Powerpoint (218KB) Powerpoint (2.2MB) Posted 07/16/01. Data Quality presentations from the 4/18/01 A&D meeting.
Data Quality Metric Based on TO Cancel Powerpoint (2.3MB) Posted 07/16/01. Presentation from Dennis Gallus (Metron Aviation) given at the June CDM Meeting.	ADL Description, version 7.0 MS Word (113KB) Posted 05/01/03. Memo from Ken Howard that describes the ADL format as of May 2003
American Airlines CDM Message Sending Process Powerpoint File (37KB) Posted 02/16/01. An example of how one airline sends CDM messages.	CDM Message Protocol MS Word (63KB) Posted 08/15/00. Memo from Ken Howard outlining the new protocol which is an inherent part of switching data exchange over to the AOCnet.
Diversion Processing MS Word (31KB) Posted 10/25/99. Detailed specification of how diversions will be handled in the ADL files.	SI Procedures & Message Format MS Word (24KB) Posted 8/11/99. April 1997 FAA Document that discusses EDCT Automated Substitution (SI) message processing.
CDM Draft Data Policy r3.0 MS Word (24KB) Posted 8/11/99. Memo that discusses recommendations on the handling of proprietary airline data by the FAA.	Message Processing Exceptions MS Word (29KB) Posted 7/15/99. Memo that outlines the exception cases in message processing
Java Security Issues MS Word (20KB) Posted 6/8/99. Memo from Rick Oiesen (Volpe) meant to spark a discussion on the various concerns with using Java in conjunction with CDM.	Data Quality Metrics MS Word (35KB) Posted 12/15/98. Revised memo w/ data quality expectations for CDM airline participants.
AOCnet Data Position MS Word (40KB) Posted 12/09/98. The position paper written by Roger Beatty on the AOCnet data position. This paper was to be given to the Ops Council as the CDM position on CDM data.	CDM System Requirements MS Word (73KB) Posted 4/8/97. Memo from Ken Howard outlining the requirements for users and ATMS to exchange data as outlined in CDM Task 3.