International Aircraft Cabin Air Conferences – Proceedings

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Zenodo offers for the individual papers or presentations of the International Aircraft Cabin Air Conference:

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=> Conference Objectives

By way of expert global independent and industry speakers, the Aircraft Cabin Air Conferences seek to achieve the following key objectives:

  • Provide a historical overview of the contaminated air issue and its causes.
  • Map out the flight safety aspects of contaminated air through case studies, discussion and air accident investigation findings.
  • Disseminate the latest medical and scientific theories and findings on the health aspects of exposure to contaminated air.
  • Give guidance of the regulatory aspects of cabin air quality.
  • Examine the latest development towards bleed air filtration, contaminated air warning sensor systems and other potential solutions.
  • Provide an opportunity for networking and sharing good practice to facilitate better inter-agency working.


=> Findings

  • Cabin breathing air on all aircraft apart from the Boeing 787 is taken directly from the engines compressors (upstream of the combustion chamber) and provided unfiltered to the aircraft. This is known as 'bleed air'.
  • Bleed air is known to become contaminated with engine oils and/or hydraulic fluids. These fluids are toxic.
  • Contaminated bleed air events have been recognised as occurring since the 1950s.
  • No aircraft currently flying has any form of detection system fitted to warn when these events occur.
  • Flight safety is being compromised by contaminated air events.
  • Crew and passengers have been reporting short and long-term health effects as a consequence of exposure to contaminated air.
  • Contaminated air events are not rare and known to be under reported.
  • Passengers are never told about the risks or these exposures or when they have been exposed.


=> Metadata Availability

  • The metadata of this community is available under a Creative Commons Attribution 4.0 International Public License (CC BY).


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International Aircraft Cabin Air Conferences – Proceedings

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=> Aim

Aim of this Zenodo-Community is to present and archive the individual papers, extended abstracts, and presentations of the "International Aircraft Cabin Air Conferences" together with the proceedings, combining the individual documents into one volume.

The proceedings can be found also in many other places:

=> Proceedings 2021

=> Proceedings 2019 – Presentations


=> Proceedings 2017 – Articles

Global Cabin Air Quality Executive (GCAQE), 2019. Proceedings of the International Aircraft Cabin Air Conference 2017. Journal of Health and Pollution, Vol. 9, No. 24 (Dec. 2019). - URL:


=> Introduction

The International Aircraft Cabin Air Conferences are developing into a series of conferences organized every two years. ACA2017 and ACA2019 were two-day events at Imperial College London. ACA2021 and ACA2023 were a four-day respectively three-day online conference via Zoom. The conferences are mapping the business, regulatory, and technical solutions to aircraft cabin air contamination.

The ACA2017 and ACA2019 conferences provided networking opportunities for those seeking to understand the subject of contaminated air, the flight safety implications, the latest scientific and medical evidence investigating the contaminated air debate and the solutions available to airlines and aircraft operators. ACA2021 and ACA2023 included online discussions among presenting authors of each session guided by the conference director. The audience contributed to the discussion via the chat.

The conferences held so far have been the most in-depth conferences ever on the topic of aircraft cabin air contamination. ACA2021 counted 1600 registrations.

Press Release:

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Curated by:
Curation policy:

Curator: Dieter Scholz ( Professor at Hamburg University of Applied Sciences (,

Publisher: Global Cabin Air Quality Executive Ltd, GCAQE, First Floor, 10 Queen Street Place, London, EC4R 1BE, England (


Rules: This community is reserved for contributions to one of the International Aircraft Cabin Air Conferences.

It is the author's responsibility to meet all coyright requirements with respect to their papers contained in this community.

Authors who presented at the International Aircraft Cabin Air Conference agreed to an online distribution of their presentation and any accompanying material. The individual papers from ACA2017 are stored here based on their CC BY license as given with the proceedings. The ACA2021 and ACA2023 papers or extended abstracts include the CC BY license in each separate document.

By having presented at the International Aircraft Cabin Air Conference authors furthermore, warranted that their presentation, handouts, and related materials are factually accurate and contain no matter libelous or otherwise unlawful. Authors further warranted that such presentation, handouts, and related materials are either:

  1. their own original work or,
  2. available for use without permission because they are in a public domain, or
  3. when materials utilized in the presentation are not their own original work or in a public domain, they are either a) presented with the permission of the originator/owner of the material, or b) are believed to be within the “fair use” exemption of copyright law which includes use for purposes of criticism, news reporting, commentary, teaching, and research.

As such, it is the author's responsibility to ensure that the rights of any third parties, such as clients or employers, to any material used in their presentation, have been respected.

December 6, 2019
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