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-300ER speed tape amber and red bands (low)

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    -300ER speed tape amber and red bands (low)

    It's been quite a while I hadn't flown the 777, and I noticed the low side bands are way too low during final approach for the given weights. Is there a known issue regarding this subject. Sometimes the bands are so low they almost disappear in the lower part of the PDF with only a tiny tip of the amber one showing near the lower limit of the speed tape.

    Wanthuyr Filho

    Do you have a screenshot that shows what you are seeing? I haven't come across anything like what you described in the -300ER, but I haven't flown it for a while either.
    Tim Lincoln


      This observation came up some time ago, maybe a year? I cannot recall if there was a consensus but it appears as if the minimum maneuvering and stall speeds are displaying too low under certain conditions. I don't recall the error being large one but it's been awhile.
      Dan Downs KCRP


        I noticed the same thing, during approach but also during climb. For instance I was departing from GRU in a relatively heavy 300ER the other night (TOW around 300T), when selecting flaps up I couldn’t see the tapes coming up, which definitely would’ve happened in real life (we probably wouldn’t have been able to maintain 250knts under FL100 as it would’ve been under MMS + 15knts)

        For instance, check out this departure from GRU in a 77W.
        TOW is 316T (mentionned in the briefing). Upon flap retraction you can see the tapes coming up on the PFD, they even select a higher speed than 250 to keep MMS + 15.

        If you need a screenshot in the sim let me know but the mentionned situation can be easily reproduced.

        Thanks in advance for your help.


          Anyone please ?


          • DDowns
            DDowns commented
            Editing a comment
            PMDG Product Support: Might already be a reported bug as I eluded to weeks ago.