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Forum: Tech Log

21st Jan 2020, 18:12

Replies: 60

New Software Issues Found on the MAX

Views: 25,080

Posted By Ian W

Like this system you mean?...

Like this system you mean? (https://www.thepeaches.com/bios/Boeing.htm)

Forum: Tech Log

21st Jan 2020, 18:03

Replies: 60

New Software Issues Found on the MAX

Views: 25,080

Posted By Ian W

Possibly as a commercial PC chip but there are...

Possibly as a commercial PC chip but there are manufacturers making 80286 boards as aviation uses a lot of them. The reason is that in the late 1980's the safety people in aviation were really taken...

Forum: Tech Log

21st Jan 2020, 12:37

Replies: 60

New Software Issues Found on the MAX

Views: 25,080

Posted By Ian W

In some respects its worse than that. Each time...

In some respects its worse than that. Each time they 'fix' the code they then have to test the fix and regression test the system to try to break what they have just built. It's a difficult task...

Forum: Tech Log

21st Jan 2020, 12:31

Replies: 60

New Software Issues Found on the MAX

Views: 25,080

Posted By Ian W

I think it is a little unfair to say that the...

I think it is a little unfair to say that the MCAS fix has been rushed, The requirement on the FCCs was completely changed - nothing to do with MCAS apart from that was why the FCC design...

Forum: Tech Log

20th Jan 2020, 18:11

Replies: 60

New Software Issues Found on the MAX

Views: 25,080

Posted By Ian W

The Boeing engineers did not have the luxury of...

The Boeing engineers did not have the luxury of starting from a clean sheet and "getting it right by design". They had stiffware that has been operational for years and had to modify the code so...

Forum: Tech Log

20th Jan 2020, 13:14

Replies: 60

New Software Issues Found on the MAX

Views: 25,080

Posted By Ian W

There are always problems like this that surface...

There are always problems like this that surface if you make changes to geriatric code. Quite often they are minor with just parameters needing to be increased because the system is now doing extra...

Showing results 1 to 6 of 6