The following are sites that may be of interest or assistance to you.


The CAA is not responsible for the contents or reliability of the linked websites and does not necessarily endorse the views expressed within them. Listing should not be taken as endorsement of any kind. We cannot guarantee that these links will work all of the time and we have no control over the availability of the linked pages.

Airports Council International (ACI) EUROPE

Airports Council International (ACI) is a worldwide professional association of airport operators. ACI EUROPE represents over 400 airports in 46 European countries.

Aviation Environment Federation (AEF)

The Aviation Environment Federation (AEF) is a UK non-profit making environmental association concerned with the environmental effects of aviation.

Air Transport Action Group (ATAG)

The Air Transport Action Group (ATAG) is a not-for-profit association that represents all sectors of the air transport industry, working to promote aviation’s growth in an environmentally sustainable manner.

Boeing - Airport Noise and Emissions Regulations

A comprehensive database of noise and emissions regulations in place at over 600 airports worldwide.

Defra - Noise and Nuisance

The Department for Environment, Food and Rural Affairs (Defra) of the UK Government aims to protect and improve the environment, and to integrate the environment with other policies across Government and in international fora.

Department for Transport (DfT) - Aviation

For UK Government policy on aviation and aircraft noise. The annual contour reports for Heathrow, Gatwick and Stansted can be downloaded here.

Department of Infrastructure and Transport

The Australian Government's Department of Infrastructure and Transport.

European Civil Aviation Conference (ECAC)

Europe-wide organisation promoting the continued development of a safe, efficient and sustainable European air transport system.

European Commission Noise Policy

The European Commission's framework for environmental noise policy.


EUROCONTROL, the European Organisation for the Safety of Air Navigation, is an intergovernmental organisation made up of 39 Member States and the European Community.

Federal Aviation Administration (FAA) - Policy, International Affairs and Environment

The office of Policy, International Affairs, and Environment leads the FAA's efforts to increase the safety and capacity of the global aerospace system in an environmentally sound manner

International Air Transport Association (IATA)

IATA is an international trade association of the world's airline industry, representing around 240 airlines.

International Civil Aviation Organization (ICAO)

A specialised agency of the United Nations that sets standards and regulations necessary for aviation safety, security, efficiency and regularity, as well as for aviation environmental protection.

Institute of Acoustics (IOA)

The Institute of Acoustics is the UK's professional body for those working in acoustics, noise and vibration. The CAA is a Sponsor Member of the IOA.

Intergovernmental Panel on Climate Change (IPCC)

The Intergovernmental Panel on Climate Change (IPCC) is the leading international body for the assessment of climate change.


NATS provides air traffic control services for aircraft flying in UK airspace and the eastern part of the North Atlantic.

World Health Organization (WHO)

WHO is the directing and coordinating authority for health within the United Nations system.

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