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The Tip Of The Iceberg

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This is a simple explanation of the TILT Process = Toxicant-Induced Loss of Tolerance or ‘Chemical Sensitivity’ leading to: Aerotoxic Syndrome.

TILT begins following a one-time major exposure or a series of low-level chemical exposures: in our case on aircraft, to acute fume events and/or “long-term low level” exposures. Examples include chemical spills, pesticides, cleaning agents, and indoor air contaminants emitted from bleed-air, kerosene fumes, flame retardants in seating, flooring, wall materials and the disinsection process.
After an initial exposure, people who are TILTed lose tolerance for chemicals, foods, fragrances and medication that never bothered them before. Different people lose tolerance to different things, even if they’ve had the same initiating exposure. So if ‘only’ one or two crew members react and none of the others, it does not mean they are imagining things or are ‘pretending’. Please take them seriously! Next time it could be you!

“TILT “can lead to central nervous system and brain injury - Aerotoxic Syndrome - loss of license and subsequently a forced medical ‘retirement’ - and in the worst case scenarios: chronic ill-health.

Exposures trigger symptoms, including difficulties with attention, memory and mood, gastrointestinal problems, and allergic-like symptoms. Problems are often masked so patients and their doctors cannot tell which exposures are triggering which symptoms.
People with (chronic) illness may be unable to link their symptoms to exposures because they are heavily “masked.” Masking results from overlapping reactions to many different chemicals, foods and drugs and normal habituation associated with chronic workplace exposures.
Passengers: Frequent Flyers who fly (nearly) as often as professional air-crews do, pregnant women and children due to their more sensitive immune system and the elderly also belong to the group of people who should be ‘extra’ aware of these dangers and protect themselves.

Protection: Protective MASKS info go to FLYER’s FRIEND

wishing you happy landings and fumes-free flights

Bearnairdine Beaumont

Aerotoxic Team WEBSITE >>> get your FREE eBooklet

Flyer’s Health advice? Go to PLANE HOLISTIC HEALTH


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Unfortunately, we are not able to provide personalized advice to individuals on diagnosis, treatment and professional and/or legal issues. However, you will find all the information you need on these pages. We thank you for your understanding and hope that the materials on this site will help answer your questions.

​Disclaimer: I am not a medical doctor but a concerned citizen collating research. The provided information should be double checked by everyone according to their personal circumstances before embarking on any treatment in consultation with their personal doctor who knows about the discussed subject and their medical history. Please make sure to present the three downloadable documents HERE  for your doctor's information. This is an effort to share what I have learnt by reading many scientific and medical journals on this subject and my own experience and health journey following exposure to fume events and onboard aerosol pesticide spraying.


All Rights Reserved © Bearnairdine Beaumont
UNFILTERED formerly known as "Aerotoxic Team" the Global Network
2013 - 2026
​Latest update 05. June 2025

music: © https://acousticevolution.bandcamp.com/track/gentle-ascent
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  • HOME
    • Bearnairdine Beaumont
    • SPANISH Pages
    • Report an Incident
    • Contact
  • What are Fume Events?
    • Fume Events? Aerotoxic Syndrome? >
      • Unfiltered - contents of fumes
      • Aerotoxic Syndrome Advice
    • Medical INFO
    • Why ICD-Classification?
    • Science
    • Flying while pregnant
  • Victim Impact
    • Time Line
    • Victim Impact Testimonies
    • Victim Impact Docs, Films
    • Court Cases >
      • The court case of pilot Lacoude
      • ICC The Hague
      • The Hague
    • FAQ's
    • Debate so far
  • Passenger Videos
  • PETITION
    • Petition en Français
    • Petition in English
    • Petition auf Deutsch
    • Petition en Español
    • Petition in het Nederlands
  • MEDICAL HEALTH CONCERNS at Altitude, Fumes & Vaccinations
    • CREW mask info >
      • Flyer's Friend®
  • Disinsection
  • NEWS BLOG & ARTICLES - Aviation's Wounded Canaries
    • UPDATES & NEWS >
      • Press Conference Airplane Safety Legislation Toxic Fumes
      • Press Conference Safe Air on Airplane Act
      • Research Funding Michel Mulder MD.
      • Daniel Dumalin MSc Study on Brain Damage
      • FRANCE The great smoke & mirrors
    • AKADEMIA >
      • Chemicals With Wings
    • Expert Articles on Filtration >
      • Ti-DOX HydroxylizAire “
      • AIRBUS Filtration Problems Dec.8/1988
      • Contaminated air in airliner cabins
      • ASHRAE Introduction to Passenger Aircraft Cabin Air
      • Aeronautical Engineering Prof. Dr.-Ing Dieter Scholz
      • Horizon 2020 Breath of Fresh Air
      • Patent Air Conditiong System air or rail
      • Airbus Cabin Air Explanations >
        • Airborne COVID-19 Decontamination Reinhard Schuetz P. Eng.
      • Airline CEO's Obsession
      • Filtration Efficiency Claims: Misleading?
      • HEPA Technology Tested
      • Forgotten Pollution: Cabin Air Quality
      • The Scent of Flying Free EBook
      • Flying despite Corona?
  • Latest NEWS