Glossary
Airports Council International (ACI)
The international association of airport operators based in Montreal. ACI members include around 2,100 airports in almost every country in the world, with over 500 airports in 55 European countries as part of ACI Europe.
German Airports Association (Arbeitsgemeinschaft Deutscher Verkehrsflughäfen e.V. – ADV)
Umbrella organization of all commercial airports in Germany, Switzerland, and Austria. The ADV works to ensure that Germany remains a strong and competitive location for aviation.
Corporate Sustainability Reporting Directive (CSRD)
The new EU directive on sustainability reporting for companies. The purpose is to increase the accountability of European companies for aspects of sustainability and to introduce mandatory reporting standards at the EU level for the first time. In the future, companies will have to submit more comprehensive and more standardized reports. Munich Airport will be subject to reporting requirements starting from the 2025 fiscal year.
European Aviation Safety Agency (EASA)
The European Aviation Safety Agency is the European Union’s aviation safety authority for civil aviation and is based in Cologne.
Particulate Matter
The PM10 (Particulate Matter < 10 μm) measurand is understood to mean the particulate matter fraction with an upper particle diameter of up to 10 μm. PM2.5 contains even smaller particles as a subset of PM10.
Global Reporting Initiative (GRI)
Independent institution based in Amsterdam that publishes globally accepted guidelines for sustainability reporting. The GRI standards provide a common language for organizations and stakeholders to be able to communicate and understand the economic, environmental and social welfare impacts of organizations. Along with the institutionalization of communication, the aim is also to make reporting comparative.
Greenhouse Gas Protocol (GHG Protocol)
A globally recognized and used instrument for quantifying and managing greenhouse gas emissions. It specifies requirements for organization-wide calculations of greenhouse gas emissions and for the implementation of projects to reduce emissions.
Auxiliary Turbine or Auxiliary Power Unit (APU)
In addition to the two or four turbines that power a modern commercial aircraft, the aircraft also has a smaller auxiliary power unit (APU) that is used to start the engines and supply power while on the ground.
International Civil Aviation Organization (ICAO)
The International Civil Aviation Organization is a specialized agency of the United Nations based in Montreal. It comprises 193 contracting nations. The ICAO is committed to working with its member nations to ensure the safe and sustainable development of civil aviation.
Landing and Take-off Cycle (LTO Cycle)
The landing and take-off cycle refers to the CO₂ emissions of aircraft while on the ground as well as during take-off and landing below 3,000 feet (914 meters). Up to this internationally agreed altitude, greenhouse gases from aircraft turbines are attributed to the airports. Depending on the aircrafts’ climb rate, they may already be approximately eight kilometers away from the airport during take-off. Upon landing, it may be approximately 17 kilometers.
Traffic Unit (TU)
Metric used for the combined recording of all commercial passenger and freight traffic. TU is defined as one air passenger arriving at or departing from an airport with carry-on luggage (totaling 100 kilograms), or handling 100 kilograms of airfreight or airmail, or a combination of air passenger volume (arrival and departure) and local airfreight and airmail volume (outbound and inbound).