In march, was Boeing’s 737 Max 8 and 9-plan on the ground then one of the Ethiopian Airlines plane crashed in Ethiopia. But already in October last year crashed a Lion Air plane of the same model in Javasjön. A total dog of 346 people.

Now reveal the recordings that CBS News had received from the American Airlines pilotfack to some of the company’s pilots indignantly confronted the Boeing on a computerised system to counter överstegring, four months before the crash in Ethiopia.

Överstegring is a term for when an airplane loses lift and, according to preliminary reports, the system was Maneuvering Characteristics Augmentation System (MCAS) was involved in both of these crashes.

Boeing vice president Mike Sinnett, a few weeks after the crash in Javasjön in the fall. The conversation suggests that they do not know that the system was installed at the plan until after the accident.

– We deserve to know what is on our aircraft, ” says a pilot.

– I will not say against, ” says Mike Sinnett.

” Those guys didn’t even bother cursing the system were on board the aircraft. Not anyone else either, says a pilot and seems to refer to the pilots of the Lion Air plane.

Vice president:n answer:

” I don’t know if it would have changed the outcome if you had understood on this system. You may fly this plane millions of miles (the miles ridden. note.) and you may only see this once ever.

satisfied with the answer.

– We are the last line of defense against ending up in a smoking hole. And we need this knowledge.

Boeing’s Mike Sinnett then says that the software updates are on the way, maybe about six weeks, but that the company does not want to rush the process and risk to do a bad job.

When the Ethiopian Airlines plane crashed in march, the company had not yet fixed the matter.

Read more: security problems with olycksplan were known

Read more: All of the Boeing 737 Max 8 aircraft into the EU will be stopped