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Terrain warning on approach LPMA

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    Terrain warning on approach LPMA

    Hi,

    i did two flights to madeira (lpma), on the first one i had terrain warning, even app on rwy 05 was set, flaps / gear / speed / autobrake / spoiler armed and so on.
    I think everything was correct and i had this warning.
    After that flight a searched on google with words like "pmdg terrain warning on approach" and found a post where somebody said its because of the minimum runway length.
    So i did a second flight and set up fmc with a minimum rwy length of 3000 ft (just for testing), but same problem again.

    Can anyone help me?

    #2
    Some approaches are just so hugging the terrain that you WILL hear that. You can't land in Kai Tak without hearing terrain warning either.

    Although I must admit hearing that on an island airport is indeed strange.
    Ching Charng

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      #3
      This quote is from PPRUNE by an airline pilot with experience landing at LPMA:

      ”CAUTION: On approach to 05, unavoidable EGPWS terrain cautions/warnings may be expected approaching GELO, and between GELO and ROSARIO”
      Jim Barrett - KELM

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        #4
        Ah okay, never had this before with other 738s so i thought i did anything wrong with the pmdg setup.
        Thanks for your answers.

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          #5
          You can switch the terrain warning off, switches located below FO nav display / right hand side of FO CDU, from top of my head right hand switch.
          Fred Huisman / EHAM

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            #6
            It's a bug, the real plane has an approach area defined in the EGPWS database and wouldn't sound a warning when you're within that area.

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              #7
              It's the same in La Palma GCLA and Queenstown NZQN. Spurious terrain warning when perfectly fine on the approach path close-ish to the terrain
              Itamar Mazor

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                #8
                Originally posted by Emi View Post
                It's a bug, the real plane has an approach area defined in the EGPWS database and wouldn't sound a warning when you're within that area.
                I had read several years ago that a rapidly rising terrain within the approach path can trigger false EGPWS warnings. This was from a discussion about the occurrence of such warnings at KCVG ILS18R, if I recall correctly. The runway threshold is close to the Southern bank of the Ohio river with a abrupt terrain elevation change when aircraft is descending below 1000. A pilot said they often request 18C to avoid the false warning events.
                Dan Downs KCRP
                i7-10700K 32GB 3600MHz 3080Ti

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