PPRuNe Forums - View Single Post - Boeing incidents/accidents due to Thrust/Pitch mode mishandling
Old 12th Oct 2018, 10:02
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Fursty Ferret
 
Join Date: Sep 2011
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If what Tdracer has added is true, it seems Boeing has had a change of heart with the 787.
Sadly not, it’ll do exactly the same thing.

To the the poster who says that the Boeing FMAs are easy to understand if you read the manuals: I put to you VNAV climb or descent, where there is no indication whatsoever on the FMAs (or PFD for that matter) that the aircraft will or will not level off at some intermediate altitude. It can’t even handle the job of making a constraint that’s referenced to STD while QNH is set, or vice-versa.

Or the fact that approach mode only works for IAN and not an RNAV approach with multiple constraints; or the fact that you can’t arm APP until established on the localiser / FAC; or that you have to do a silly pressurisation sequence of the hydraulics / fuel pumps before engine start even though they’re all load shed anyway; or that it has no comprehension of passenger comfort in VNAV descent; or that it will exceed its thrust capability in HDG SEL at high altitudes; or that you have to use a mouse pointer to click on dinky virtual FMC buttons; or that doing direct to a waypoint doesn’t automatically engage a navigation mode; or the hold entries that would fail an IR; or the most annoying trait of all of making you tweak the HDG bug every minute or two for FOURTEEN HOURS STRAIGHT because they couldn’t figure out how to slave it to the actual heading.

Feel slightly better for getting that off my chest.
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