Originally Posted by A Squared
As nearly as I can tell, you theory is that Boeing just changed the name from STS to MCAS and that whatever happened to the Lion airplane could happen to other 737 model prior to the MAX . There's a lot of evidence which suggests that this theory is fanciful.
I agree ("fanciful" is a bit harsh though
). Rananim, the STS and the MCAS appear to be different. This 737 hit the water going very fast. The STS should have been trimming back. The MCAS, if the AoA was erroneously high, would have been trimming forward. The MCAS is only fitted to the Max.