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Worth pointing out that the FAA bought Boeing's claim that the 737 MAX 8, 9 did not require a new type certificate, and so did EASA. However, from what I gather, the Brazilian regulator deemed the MAX with MCAS sufficiently different from prior generations.

So, there is some regulatory independence.

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It could be argued the Brazilian authorities are biased towards Embraer, much the same way US authorities might be biases towards Boeing.

It would be a good argument, one that I am interested in hearing.

Do you have some examples to give?

But Embraer doesn't compete directly with that 737

What about the Canadians and Bombardier? The A220/C series is a much closer competitor to the 737 than anything Embraer has to offer and the Canadians still gave Boeing a pass on MCAS.

Worth pointing out that the FAA bought Boeing's claim that the 737 MAX 8, 9 did not require a new type certificate, and so did EASA. However, from what I gather, the Brazilian regulator deemed the MAX with MCAS sufficiently different from prior generations.

The Brazilians required that Boeing document MCAS and include it in the required differences training. MCAS was considered a fairly small difference (if memory serves — "B") by the Brazilians and the MAX is still operating on the same type certificate. The big question in my mind is: why did the FAA not do the same?

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