Note: The links for most of the documents listed here provide files in PDF, which is primarily read with Adobe Acrobat software. If you don't have a free copy of Adobe Acrobat Reader, you can get it here. Many documents have multiple formats listed elsewhere on this site, primarily under one of the Focus Groups. If you have a problem reading PDF files, try the other formats such as Word or Powerpoint.
Oct. 28, 2003: New 777 RNP Navigation Capabilities document, and new revision of the 737 ATS SR&O document, available on the C/AFT Documents page (towards the bottom).
Sept. 2, 2003: See the new or revised editions of the Air Traffic Services Systems Requirements and Objectives manuals (ATS SR&O) for the 777, 747-400, 737, and MD11, on the C/AFT Documents page (towards the bottom).
Feb. 4, 2003: New RNP Capability document from Boeing: RNP Capability of FMC Equipped 737, Generation 3, Rev. A, Jan. 14, 2003
Nov. 19, 2001: Executive Summary for a NEXCOM Investment Analysis.
October 15, 2001: New "Air Traffic Services System Requirements and Objectives" documents for Boeing airliners: MD11 ATS SR&O, April 4, 2001 and Boeing 777 Generation 4 ATS SR&O, July 16, 2001.
Sept. 7, 2001: New Boeing report: Assessment of the NASA AvStar Project Plan (Sept. 2001).
March 29, 2001: Want some help in understanding the Influence Diagrams and "Tornado" Diagrams in the Investment Analysis reports? Steve Glickman has prepared a short paper on the subject, entitled Decision Analysis - Interpreting Influence Diagrams and Tornado Diagrams.
February 6, 2001: New information on NEXCOM Focus Group Benefits Subteam meeting, Feb. 8-9, 2001. Also, a new paper for reference: 8.33 Horizontal and Vertical Expansion in Europe.
January 31, 2001: At the request of the FAA, we have created a new Focus Group. See the new set of pages for the NEXCOM Focus Group, and the first paper we have posted there, Voice Communications Beyond 8.33 kHz.
January 18, 2001: New Terms of Reference for C/AFT, as approved by the C/AFT Core Group.
November 21, 2000: New information on C/AFT meetings in Dallas at the end of this month.
October 30, 2000: We have posted a new report performed for the NASA Advanced Air Transportation Technologies program - A Preliminary Design Process for Airspace Systems - Initial Assessment (Chicago Case Study), which seeks ways to improve capacity by examining air traffic performance in Chicago. The report's authors include a number of C/AFT members.
October 26, 2000: Two new items on Required Navigation Performance: Required Navigation Performance for Improved Flight Operations and Efficient Use of Airspace is an article that appeared in Boeing's Aero Magazine (#12), written by Jeff Aimar of Boeing. Required Navigation Performance (RNP) and Area Navigation (RNAV) is a presentation prepared by Dave Nakamura of Boeing, explaining the concepts and the need for them based on future traffic growth and capacity constraints.
October 13, 2000: The Operations Analysis Focus Group Papers and Presentations page offers minutes of a recent telecon, plus an assortment of files that present data discussed at that meeting.
Sept. 28, 2000: A Method for Forecasting Commercial Air Traffic Schedule in the Future is a supporting document by LMI that we've added to the documents page. We also have listed New meetings for October, and reported on the recent meeting of the Operations Analysis Focus Group. Finally, we've listed another supporting document, this one called CODAS Documentation (Consolidated Operations and Delay Analysis System).
Sept. 20, 2000: United Airlines Free Flight Symposium presentations from a Sept. 8, 2000 meeting in Chicago.
Sept. 18, 2000: We are proposing a restructuring of C/AFT to focus on more market-driven needs. Please go to the Focus Group page to read more about the restructuring. The web site has been reorganized to accommodate this plan.
Sept. 7, 2000: New edition of the Boeing 747-400 Air Traffic Services Systems Requirements & Objectives document, on the C/AFT Documents page (scroll towards the bottom).
August 23, 2000: European Data Link Investment Analysis, August 22, 2000, created by the European Data Link Focus Group
August 1, 2000: Boeing documents on Required Navigation Performance (RNP) capability of various airliners are now available on a redesigned C/AFT Documents Page. Scroll to the bottom for the new documents.
July 26, 2000: New paper on RNP/RNAV - General Information on the Functional & Technical Aspects of Required Navigation Performance (RNP) Area Navigation (RNAV) and Applications, by Dave Nakamura of Boeing. There is also updated information on the Core Group meeting in Dallas next month.
July 6, 2000: A Proposed Methodology for Operational Enhancement Integration Analysis is a new paper that provides guidance on preparing business cases for CNS technologies across operational domains. In meeting news, there will be a meeting of the Core Group on August 31, 2000 in Dallas, hosted by American Airlines.
June 5, 2000: Revised edition of the 757-767 Air Traffic Services Systems Requirements & Objectives document.
May 24, 2000: Attempt to Evaluate Data Link Gains Using OPAS Arithmetical Simulation, February 25, 2000, by Jean-Louis Martin. Also available is a paper explaining the OPAS model, An Experimental Study of ATM Capacity, May 30, 1997, by J. M. Alliot et al.
May 2, 2000: Presentations from the April 27, 2000 meeting of the European Data Link Focus Group are available on the Euro DL Papers and Presentations page.
April 24, 2000: New report by Dr. George Donohue et al, of George Mason University: Potential Net Present Value for a Cargo Airline Investment in ADS-B Avionics Equipment: Preliminary Analysis (March 20, 2000).
April 4, 2000: We have posted information on the next meeting of the European Data Link Focus Group.
March 22, 2000: We have posted the final draft of Eurocontrol's Link2000+ Business Case Development Simulation on the European Data Link Papers page.
March 14, 2000: The presentations from the Melbourne All-Airline Meeting on March 7 are available on the Meeting Presentations page.
March 1, 2000: New documents on Air Traffic Services Systems Requirements & Objectives: brand-new ATS SR&O document for model MD10 (Jan 17, 2000); revised version of model 757-767 document (Jan. 31, 2000).
February 2, 2000: Presentations from the first meeting of the Operational Enhancement Integration Analysis Focus Group, as well as the minutes and presentations from the Feb. 2 telecon of the Advanced Navigation Focus Group(concentrating on navigation at San Francisco International Airport).
January 27, 2000: Advanced Navigation Focus Group Meeting Minutes from January 19, 2000. Also available is the Surveillance Focus Group Status Report presented at the Toulouse All-Airline Meeting in October, 1999.
January 14, 2000: New information is available on the All-Airline Meeting in Melbourne on March 7, 2000, including an agenda and invitation. We have also included information about the FMS/RNAV Workshop to be held on March 10.
January 11, 2000: The tentative agenda is available for the Jan. 27-28, 2000 meeting of the Operational Enhancement Integration Analysis Focus Group.
December 15, 1999: We have scheduled an All-Airline Meeting for March 7, 2000, in Melbourne, Australia. Most of the Focus Groups also have new meetings scheduled. See the Future Meetings page for more information.
December 3, 1999: Reports from the Surveillance Focus Group Meeting on Nov. 16-17, 1999; minutes from the European Data Link Focus Group telecon on Nov. 30, 1999, plus a report on a LINK2000+ Fast Time Simulation to Assess the Impact of Data Link on Sector Capacity; and finally a revised Generation 3 version of the Boeing 777 Air Traffic Services Systems Requirements and Objectives document.
November 23, 1999: New meetings and telecons planned, on the Future Meetings page.
November 12, 1999: New Focus Group: The Operational Enhancement Integration Analysis Focus Group has formed, with an initial List of Members posted. European Data Link Investment Analysis spreadsheets are now available on the Euro DL Papers & Presentations page. Also, we have linked to a new document by CANSO entitled Demystifying CNS/ATM, which provides a good executive summary and description of technologies (in Appendix B - CNS Technologies).
October 19, 1999: All-Airline Meeting Presentations from the Toulouse Meeting are now available on the Meeting Presentations page. We've also added to the Links page a connection to the TORCH Project page (Technical, Economical, and Operational Assessment of an ATM Concept Achievable from the Year 2005). There will also be a Surveillance Focus Group meeting in Seattle on November 16-17, 1999.
October 1, 1999: The European Data Link Focus Group will hold a meeting on October 7-8 in Brussels; go to the Euro Data Link Meeting Schedule page for more information. Reports from the Sept. 13, 1999 meeting of the Data Link Facilitation Task Force are now available on the Euro Data Link Papers & Presentations Page. Also, you can get an advance preview of the Surveillance Focus Group Status Report to the All-Airline Meeting this month.
September 13, 1999: We have posted the Agenda for the October All-Airline Meeting; further information is available on the All-Airline Meeting page. Also, the Surveillance Focus Group will have a meeting in Seattle prior to the All-Airline Meeting. Please see the Surveillance Focus Group Page for further information.
September 8, 1999: New material from the recent Focus Group meetings have been loaded to the site. Go to the European Data Link Papers & Presentations site to see the Powerpoint presentation from the meeting, plus a spreadsheet of data inputs. Go to the Advanced Navigation Focus Group Minutes site to view the files from that meeting. Also, the new Eurocontrol LINK 2000+ Web Site is now available.
August 26, 1999: We have posted vital hotel information on the page describing the next All-Airline Meeting in Toulouse, France, on October 13, 1999. Due to the scheduling of a rugby tournament in Toulouse at that time, hotel space will fill very quickly. It is imperative that you make your hotel reservation NOW if you are planning to attend the All-Airline Meeting.
August 23, 1999: We have posted updated information on the set of meetings to be held in two weeks at the Boeing offices in Seattle. See the Future Meetings Page for copies of agendas, locations and times, plus driving directions to the new Boeing CNS/ATM office at Longacres Park. We have also posted a series of Eurocontrol documents on proposed ATN implementation in Europe. Look for them on the Euro DL Papers Page (scroll down to "Other Papers and Presentations"). Finally, we posted a Powerpoint presentation called LAAS & Capacity: Alaska Air Group Expectations. Finally, we've added a link to a new report by the Eurocontrol Experimental Centre: Cost of the En-Route Air Navigation Services in Europe, prepared in support of the Performance Review Unit.
July 16, 1999: A new version of the Boeing 757-767 ATS Systems Requirements & Objectives document is available.
June 23, 1999: Future meetings are profiled on the Future Meetings page.
May 27, 1999: Invitation to the 3rd US/Europe Air Traffic Management Research & Development Seminar, to be held in Naples, Italy, in June 2000. Also, we have posted the minutes and presentations of the second meeting of the Data Link Facilitation Task Force on the European Data Link Papers & Presentations page.
May 20, 1999: Advanced Navigation Focus Group - Minutes of the May 13, 1999 meeting, and Powerpoint presentation on the cost/benefit model.
May 12, 1999: The next All-Airline meeting has been set for October 13, 1999. It will be hosted by Airbus in Toulouse, France. Further information will be posted to the Future Meetings page as it becomes available.
May 5, 1999: We have posted new minutes and presentations for the European Data Link Focus Group, and also filled out a Membership List for the group. We have also posted the minutes of the Final Meeting of the ATS Performance Focus Group, and started a new page for a new focus group, ATS Performance Phase 2: Cost Accounting Principles.
April 29, 1999: Data link sensitivity analysis databases (in Microsoft Excel) are now available on the ATS Data Link Focus Group site, which has now suspended its work with the publication of its primary report and accompanying databases. A new European Data Link Focus Group has been formed.
April 21, 1999: Dave Nakamura of Boeing has reformatted the Advanced Navigation Focus Group page, adding new material as well.
April 9, 1999: The final version of the U.S. Data Link Investment Analysis report is now available in Word format. Also, there are minutes of the Advanced Navigation Focus Group meeting from March 29-30, 1999.
March 17, 1999: The final report of the Aviation Weather Study is available, prepared for the Boeing Company by Charles G. Lindsey. Also, the FAA has published National Airspace System Architecture, Version 4.0, January 1999, the complete master plan for modernization of the FAA's air traffic system. Plus, you can read a new DOT Inspector General audit report, Air Carrier Departure Data.
March 1, 1999: We have posted a paper based on a study developed for Boeing, entitled Aviation Weather Requirements in the Air Traffic Management System, by Charles G. Lindsey. There is also a new report by the U.S. Dept. of Transportation Inspector General, entitled FAA's Progress and Plans for Implementing Data Link for Controllers and Pilots.
February 15, 1999: Data Link Facilitation Task Force minutes and presentations are now available on the ATS Data Link Focus Group page. The IATA-sponsored Task Force held its first meeting February 9, at which it proposed to adopt the C/AFT methodology for investment analysis!
February 1, 1999: Final Report! Airline Metric Concepts for Evaluating Air Traffic Service Performance, by the C/AFT ATS Performance Focus Group.
January 11, 1999: A new paper, Preliminary Design Tools & Methods for Airspace Systems Definition, by Boeing.
December 9, 1998: Keynote Speech from the November 1998 All-Airline Meeting, by Capt. Hart Langer of United Airlines.
November 20, 1998: Presentations from the All-Airline Meeting on November 18, 1998!
October 26, 1998: A new paper, Air Traffic Management Capacity-Driven Operational Concept through 2015, by Boeing.
October 5, 1998: Data Link Focus Group Issues based on the response to the ATS Data Link Investment Analysis. The ATS Performance Focus Group Report, Draft, October 1, 1998.
September 30, 1998: Information and invitation for the November All-Airline Meeting in the San Francisco Bay Area. ATS Data Link Investment Analysis (Sept. 29) and accompanying Powerpoint slides.
September 11, 1998: Data Link Benefits Analysis, 9/2/98 (in Powerpoint), Delay Reduction vs. Equippage Curve (in Powerpoint), and Minutes of the Advanced Navigation Focus Group telecon on August 21, 1998.
September 2, 1998 : Minutes of the Data Link Focus Group telecon on Aug. 28 ; Link to a new report from LMI, A Method for Making Cross-Comparable Estimates of Benefits of Decision Support Technologies for Air Traffic Management
August 26, 1998: Data Link Benefits presentation, in preparation for the ATS Data Link Focus Group telecon on Aug. 28. For information about the telecon, click here. Also, renamed the ADS-B Focus Group as the Surveillance Focus Group.
August 17, 1998: A new paper by Dave Allen of Boeing, Economically-Driven CNS/ATM Enhancements; EATCHIP Communications Strategy documents: Common Text for EATCHIP Communications Strategy; Management Overview; Technical Description. There will be a Data Link Focus Group telecon on August 28, and possibly a group meeting on September 29. For more information, click here.
July 30, 1998: An updated Eurocontrol ATN Project Review and Status; a greatly expanded Data Link Bibliography
July 16, 1998: Minutes of the July 2 telecon of the Data Link Focus Group; Transitions for C/AFT Benefits; and a Data Link Bibliography of selected references.
June 26, 1998: A new version of Closely Spaced Parallel Approaches, by Capt. Robert Buley; a link to the Air Transport Association's Flight Systems Integration Committee website; a link to the approved edition of the FAA's Initial Requirements Document for Controller Pilot Data Link Communications Service. Also, you can read the minutes of the Advanced Navigation Focus Group Meeting on June 23, 1998, plus a Table of RNP Functions that Roger Nicholson presented.
June 18, 1998: Minutes from the ATS Data Link Focus Group telecon on June 16 are now available.
June 15, 1998: The ATS Data Link Focus Group will have a group telecon on June 16, 1998. To get information about the telecon, click here. See also the new Powerpoint file called ATC Data Link Roadmap, a report from the Data Link subgroup of the NAS Modernization Task Force.
June 3, 1998: Added link to Eurocontrol's Operational Requirements for ATM Air/Ground Data Communications Services (ODIAC)
May 20, 1998: Added four new Air Traffic Services Systems Requirements & Objectives documents for Boeing model airliners, on the ATS Data Link Focus Group site; Added a link for FANS Information Services, Ltd.
May 11, 1998: New version of Economic Impacts of Air Traffic Congestion, by LMI.
May 5, 1998: Presentations at the All-Airline Meeting, April 29-30, 1998
April 13, 1998: Minutes of the Surveillance (formerly ADS-B) Focus Group, 4/3/98 in Washington DC
April 10, 1998: Eurocontrol ATN Project - Proposed ACARS Replacement Solutions, by Tony Whyman & Martin Adnams, Eurocontrol; Eurocontrol ATN Project Overview & Status; Controller-Pilot Data Link Communication Build 1 Benefits, by Frank Buck & Jim Simpkins, MITRE; Competitive Financial Benefits Analysis for Data Link Equipage, by Jim Simpkins, MITRE.
March 27, 1998: Migration to VDL Mode 2, by Vaughn Maiolla, SITA; Minutes of the ATS Data Link Focus Group meeting, March 12, 1998; Minutes of the AEEC Subcomittee Ad Hoc Meeting on ACARS to VDL Transition.
March 19, 1998: CDTI Capacity/Efficiency Benefits Analysis for Selected Applications: Preliminary Results, by Jim Cieplak, MITRE; Transition to VDL/ATN, by Aloke Roy of ARINC.
March 6, 1998: Added new members to all Focus Groups; Letter from Claudia Gerstle about Surveillance (formerly ADS-B) Focus Group efforts; Goals & Schedule for Surveillance (formerly ADS-B) FG; Revised Schedule for ATS Data Link Focus Group
February 27, 1998: Added link for FANS Stakeholders' Group, with good information about benefits of CNS/ATM; Datalink Network Transition presentation, by Vaughn Maiolla of SITA; Current & Future Surveillance System Evolution, by Tony Warren of Boeing; ACARS to VDL Transition Plan, by Aloke Roy of ARINC; Closely-Spaced Parallel Approaches, by Capt. Robert Buley; link to Euro VDL Mode 2 Overview document on Eurocontrol web site.
February 25, 1998: Changed telecon date from March 11 to March 13 for ATS Performance Focus Group, & pushed back final draft of strawman document to March 16; added new members to a number of Focus Groups.
February 19, 1998: Schedule for ATS Data Link Focus Group
February 13, 1998: Added many more items to the Links list.
February 12, 1998: An Inventory of Cost Benefit Studies in the Field of ATC Data Communications, by Eurocontrol; GAO Report on Wide Area Augmentation System
February 4, 1998: J. Simpkins presentation on Benefits of En Route Data Link
February 3, 1998: Air Transport Association List of Metrics
January 30, 1998: National Airspace System Performance Measurement Overview, by MITRE