The Aerotoxic Logbook (ATLB) in English (EN)

The problem has been known since the 1950s - roughly 70 years and nothing has ever been done about it.  The air in the cabin is still ‚bled off’ (the engines) in airplanes - with the well-known possible consequences for flight safety and health, in particular that of  flight crew. We have the cultural history on 'Flying is safe' and the ongoing problems investigated at (EN).

Although the cabin air is 50% re-circulated in modern aircraft types, the basic problem remains unsolved. With one exception: the Boeing B787.  This is/was also the state of knowledge at the first big conference on this topic in London in September 2017. The presentations can now be viewed here:  

There are many reasons why no solutions are found: the targeted influencing of scientific discussions, the airlines’ economic interests, the links between politics and air transport industry and other reasons.

The ‚Aerotoxic Logbook’, launched in January 2017, is a first comprehensive documentation addressing the problem of potentially contaminated cabin air ( - German) and documents what is happening in this area.  Or, what is not happening. And why not. This German language blog ( is now also available in English and can be accessed directly via this permalink: And you should also have a look at - an "ABC" under permanent construction.

The information we collect in German is translated by Bearnairdine BEAUMONT who operates the network  and the blog

With the ‚Aerotoxic Logbook’ we want to achieve international networking,  bringing together all initiatives and activities to communicate about this unsolved problem and to initiate solutions. At the same time it is a scientific experiment: What must happen before a problem is addressed?

Other initiatives providing information on the contaminated air issue you can get here (right side).

3rd April, 2020

1st International "Clean Cabin Air Day" 2020

There are  "International Days" for many things: freedom of the press, children, the forest, disabled people, etc. Now the Patient Initiative has decided to declare an "International Clean Cabin Air Day", which from now on will always take place on April 3rd.

We have known about the problems for decades (see - in EN), as well as about the regularity of fume-event incidents (see - also in EN), and there are more and more affected people who become terminally ill.

According to the Lufthansa Group, such incidents happen on every 2,000 flights = 1:2000. If one converts this to daily or weekly flight operations, this amounts to 10 fume events per week. Almost two every day.

P-coc now wants to tackle this problem and generate worldwide attention for this still unsolved problem. on their Facebook page.

30 January 2020

EASA focuses on "cabin air "

Over two days, lectures and discussions were held at EASA’s in Cologne; you can read about them here in the official program booklet. On the podium: the "usual suspects" in the form of the airlines, manufacturers and some representatives from the scientific scene, who have often pointed out that there is no danger whatsoever from the whole problem. 

However, there is now no longer any dispute about whether such fume events occur at all. Lufthansa concedes that - as they have done for some years now - such occurrences happen at a frequency of 0.05%, in other words: 1.85 fume events daily calculated over all LH flights. So far, nothing new. 

What is new, however, is the fact that the "Patienten Initiative" – ( was also present. Although their submission, a presentation “from the point of view of those affected” was not accepted, questions were allowed. 

Apparently, made use of this opportunity and startled the industry by asking very specific questions. There now seems to be some concern that the various diverse (aerotoxic) initiatives will unite and thus will have a more significant public impact. 

The fact that the crew is always newly assembled for each flight, i.e. meaning that there are no well-rehearsed teams, has so far proven to be a sure barrier to the development of solidarity amongst pilots and flight crews.

Lufthansa e.g. employs around 20,000 flight attendants; however, this could now experience changes due to and their planned activities. 

The British Capt. John HOYTE, the founder of and himself once a pilot, has issued a press release on the event.