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How to aim the centerline correctly

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    How to aim the centerline correctly

    hi guys.

    I'm getting frustrated with my landing the ngxu as it looks as im quite centered down to 100-200 ft AGL but during the flare, i'm not aligned correctly and this is with no wind, can't imagine if i had like a 5-10 kt crosswind !

    Is there like a cue in cockpit to where we should align with the center line ?

    example with my first landing with the ngxu

    PMDG 747-400/-800
    PMDG 737NGXu

    Camille MOUCHEL-BLAISOT

    #2
    Hi Camille,

    If I'm not mistaken, you did have a slight crosswind on that approach. Since you're aiming the nose straight down the runway, it's expected that you're being blown off to the left a bit before touchdown. I would crab very slightly to the right in order to avoid losing the centre line.

    Another good tip (if not already in use) is to make gentle corrections with the rudder just before touchdown to straighten up before the nose wheel makes contact with the runway.

    Cheers,

    Louis
    Louis Vallance | P3D v4.5 (no shaders) | i9-9900K | 32GB | RTX 2080

    Comment


      #3
      The runway is probably about 30m wide, your airplane's body has a width of 3,8m. You were lined up pretty well and got blown to the left. You had a resulting crosswind of about 3-4 knots which is a side movement of 1,5-2 meters per second.. you can calculate the offset during the flare yourself but you were lined up pretty well until you flared. Practise your flare technique and you'll be fine. There are more than just one possibilities to do that and every pilot might tell you something else but it's perfectly fine to touch down askew with an airliner. In GA airplanes like a C172 you'd drop the windward wing a bit and counter the turn with the rudder.. but it's totally fine to touch down a bit askew in that little crosswind.

      btw: absolutely NO reason to get frustrated. Flying is a skill you have to learn, it's not like everyone can fly from the beginning. Practise is the key to success and you have to repeat it to become better.. totally normal.. fun fact: My brother was curious about my sim and I showed him the A2A Bonanza.. He tried it himself and since then he's been praising my flying skills to my parents everytime we meet.. However I had flight training in my youth and still fly right seat on a twin turbo prop occasionally.. DD
      Last edited by Ephedrin; 15Nov2019, 14:00.
      i7-6700k, GTX 1080TI, 32GB DDR4 RAM @1600MHz, 4k

      Comment


        #4
        Originally posted by Ephedrin View Post
        The runway is probably about 30m wide, your airplane's body has a width of 3,8m. You were lined up pretty well and got blown to the left. You had a resulting crosswind of about 3-4 knots which is a side movement of 1,5-2 meters per second.. you can calculate the offset during the flare yourself but you were lined up pretty well until you flared. Practise your flare technique and you'll be fine. There are more than just one possibilities to do that and every pilot might tell you something else but it's perfectly fine to touch down askew with an airliner. In GA airplanes like a C172 you'd drop the windward wing a bit and counter the turn with the rudder.. but it's totally fine to touch down a bit askew in that little crosswind.

        btw: absolutely NO reason to get frustrated. Flying is a skill you have to learn, it's not like everyone can fly from the beginning. Practise is the key to success and you have to repeat it to become better.. totally normal.. fun fact: My brother was curious about my sim and I showed him the A2A Bonanza.. He tried it himself and since then he's been praising my flying skills to my parents everytime we meet.. However I had flight training in my youth and still fly right seat on a twin turbo prop occasionally.. DD
        thank you,

        I must have over thousands hours on flight sim platforms lol, granted I haven't flown for at least 5-6 months, need to practise more indeed. I nail the flare pretty much each time but just not correctly aligned
        PMDG 747-400/-800
        PMDG 737NGXu

        Camille MOUCHEL-BLAISOT

        Comment


          #5
          It wasn't that far off center line. All in all, pretty good.
          André Hansson

          Comment


            #6
            Be sure not to focus on the touchdown zone. Much better to focus on the far end of the runway, both simulator and real world, to give you a better sense of alignment, sink rate and side drift. Make it a lot easier to line up with rudder too.
            Dan Downs KCRP

            Comment


              #7
              Your flare was fine but forgot to use opposite aileron. That's the only thing that stops drift. P3D isn't very accurate when it comes to wind/weathervaning etc.
              Tony Fontaine

              Comment


                #8
                First of all, make sure you are always sat correctly in the Virtual Cockpit with the middle of your body in a line with the centre of the aircraft's control column and the centre of the PFD display.

                On an approach with zero wind, all you need to do is keep the extended centreline of the runway in line with the centre of your body and you will find the aircraft shouldn't move off to the left or right at all (you can worry about keeping on the correct glideslope later!). You might want to adjust the sensitivity of your flight controls though, because it can be very easy to overcontrol as you get closer to the runway; especially after landing when careful use of the rudder becomes necessary.

                When you feel comfortable with zero wind you can try flying approaches in an increasing crosswind. Start with say 5kts X/W and then build it up slowly as you gain in confidence. The main difference flying an approach in a crosswind is keeping your body ever so slightly upwind of the extended centreline, so that the mainwheels will eventually touch down on it as you ease the drift off with rudder. The correct flare technique and touchdown is probably the most challenging part, especially in a limiting crosswind, so good luck!
                Last edited by Michael Codd; 15Nov2019, 23:39. Reason: Typo correction
                Michael Codd

                Comment


                  #9
                  You can use the Track line on the ND to line you up with the runway. It helps a lot to get the crab angle right.
                  The rest is just training then.
                  While you're sitting in a rather big aircraft (at least compared to the Cessna you've trained in) you should still aim to land yourself right on the centerline.
                  If you put yourself on the centerline the gear is just some centimeters off. That's exactly what you should aim for.
                  Greetings,
                  Emanuel Hagen

                  Comment


                  • Michael Codd
                    Michael Codd commented
                    Editing a comment
                    It depends on whether you have HDG or TRK UP and there is no Map shift! Anyway, I got the feeling from Camille's post that he needed some suggestions on how to line up visually.

                  • Emi
                    Emi commented
                    Editing a comment
                    With the HDG up display you still have a track line which you can put over the runway.

                  #10
                  Easy answer is the flight path vector in the HUD. Zero ambiguity about where the plane is going then.
                  Andrew Crowley

                  Comment

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