Airport CDM

Airport CDM
Name	Airport Collaborative Decision Making
Abbreviation	A-CDM
Established	2008
Focus	Airport operations, air traffic management, stakeholder coordination
Region	International

Airport CDM

Airport CDM is a collaborative operational process used at aerodromes to improve the efficiency of surface operations, turnaround planning, and air traffic flows by sharing timely information among airlines, airports, air navigation service providers, ground handlers, and regulators. It integrates arrival and departure sequencing, resource allocation, and situational awareness tools to reduce delays, fuel burn, and emissions while enhancing predictability for passengers and freight. Implementation variants exist across regions such as Europe, North America, and Asia, reflecting adaptations by authorities like EUROCONTROL, FAA, and ICAO.

Overview

Airport CDM connects stakeholders including EUROCONTROL, Federal Aviation Administration, International Civil Aviation Organization, Airports Council International, and major carriers such as Lufthansa, Delta Air Lines, Air France–KLM, British Airways, and Emirates. The concept builds on operational frameworks used at hubs like Frankfurt Airport, Amsterdam Airport Schiphol, Heathrow Airport, Munich Airport, and Singapore Changi Airport while interacting with national authorities such as Civil Aviation Authority (United Kingdom), Deutsche Flugsicherung, NAV CANADA, and Civil Aviation Administration of China. Key tools and procedures reference standards from organisations such as SESAR, NextGen, and IATA.

History and development

Origins trace to collaborative practices at large hubs like Paris-Charles de Gaulle Airport and Zurich Airport and to research projects sponsored by European Commission, National Aeronautics and Space Administration, and European Organisation for the Safety of Air Navigation. Early pilots involved stakeholders including British Airways, KLM Royal Dutch Airlines, Swiss International Air Lines, and Aéroports de Paris. Formalisation occurred through guidance documents from EUROCONTROL and initiatives led by SESAR Deployment Manager, with parallel evolution in the United States informed by FAA NextGen demonstrations and studies from institutions like MIT and Massachusetts Institute of Technology Lincoln Laboratory. Regional adaptations engaged agencies such as Civil Aviation Authority of Singapore and corporations like IBM and Thales Group.

Principles and operational process

Principles emphasize information sharing among parties including airlines such as United Airlines and American Airlines, ground handlers like Swissport International, airport operators including AENA, and air navigation service providers such as DSNA. Core processes include milestones such as estimated off-block time (EOBT), target off-block time (TOBT), target take-off time (TTOT), and target startup approval time (TSAT), integrating with flow management units like Central Flow Management Unit (CFMU). Decision tools interoperate with systems from vendors including SITA, Airbus, Honeywell, Rockwell Collins, and Siemens. Collaborative procedures align with frameworks used in SESAR and NextGen programs.

Stakeholders and governance

Governance structures typically involve consortia of participants such as airport authorities (Fraport AG), carriers (Iberia), ground service companies (dnata), and regulators like Transportation Security Administration. Multi-party committees and memorandum of understandings coordinate responsibilities among entities like Eurocontrol Network Manager, FAA Air Traffic Organization, IATA Airport Handling Committee, and local airport boards such as those at Changi Airport Group and Port Authority of New York and New Jersey. Private sector partners include Accenture, Capgemini, Microsoft Azure, and Amazon Web Services when cloud services are contracted.

Implementation and technology

Technical implementations use data exchange protocols and standards from IATA, ICAO, and EUROCONTROL supported by middleware from SITA AirportConnect, AODB platforms developed by Amadeus IT Group, Lufthansa Systems, Aviation Software Systems, and decision-support from Leidos. Systems integrate surveillance data from Automatic Dependent Surveillance–Broadcast installations, tower automation systems supplied by Frequentis, surface management systems used at Denver International Airport, and collaborative platforms deployed at Madrid–Barajas Airport. Cybersecurity and performance monitoring reference standards from National Institute of Standards and Technology and European Union Agency for Cybersecurity.

Benefits and performance metrics

Reported benefits include reductions in taxi-out time at airports like London Gatwick and Rome Fiumicino, improved on-time performance for carriers including Qantas and Cathay Pacific, and lower fuel consumption documented in studies by MIT International Center for Air Transportation and University College London. Key performance indicators include taxi time, turnaround time, departure delay, arrival punctuality, runway throughput, and reaction time to disruptions. Economic impacts have been modeled by OECD and International Air Transport Association, while environmental benefits feed into programs by European Environment Agency and International Renewable Energy Agency for emissions accounting.

Challenges and case studies

Challenges include data-sharing agreements, competitive concerns among carriers such as Ryanair and EasyJet, legacy system integration at airports like John F. Kennedy International Airport and Los Angeles International Airport, and governance hurdles noted in reports by European Court of Auditors and Government Accountability Office. Notable case studies examine implementations at Amsterdam Airport Schiphol, Frankfurt Airport, Zurich Airport, Singapore Changi Airport, and Munich Airport, as well as trials at secondary airports including Ljubljana Jože Pučnik Airport and Bologna Guglielmo Marconi Airport. Lessons learned reference research output from Cranfield University, Imperial College London, Technical University of Munich, and consultancy analyses by McKinsey & Company and Bain & Company.

Category:Air traffic management