Aircraft braking in flight

  • Hello developers, for some reason the Airbus planes of the simulator do not brake easily, in this image I had the speed brakes deployed as much as possible, flaps 1 and VS 1.2, even so the plane almost does not slow down, there are still problems with the descent in manage, the plane is high, increases the VS and then it is impossible to brake it in time, is this a mistake? Could you check them? Thank you

  • This is actually very realistic, and something many sim products do not properly simulate. Decelerating whilst in a descent and with a clean configuration (even with speed brakes deployed) is not easy.


    Since you are on the glide slope in that picture, you'll want to extend the gear to assist with creating drag

    Not quite, in this video the plane descends a lot and from VS 3.9 (5:29) the plane no longer gains speed and remains without speed brakes or flaps (04:56) in the simulator the a320 increases the speed from Vs 1.5, Considering that the wind in the face is very light, it would not be the reason why the plane does not accelerate, you can also see that the plane descends to VS 4.7 and gains speed but very little (4:50) in Aerofly fs with that vertical speed the plane gains much more speed, obviously the video is another simulator but I assume that one is more compared to reality


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  • Definitely, it's not real, compare the same weight, same course, same wind and they are 2 very different results, in Aerofly fs the plane gains too much speed, developers, could you solve that problem? It can be compared at minute 3:40 and 5:50

  • Post by EduMunoz (March 2, 2026 at 5:17 PM).

    This post was deleted by the author themselves (March 2, 2026 at 5:17 PM).
  • Keep in mind that Sharklets do increase the glide ratio as well and that extending flaps 1 causes the engine idle thrust to increase. Also keep in mind that for the A320 the spoiler deflection is reduced when autopilot is on.

    We've set the drag based on real world situations but we'll need more sample points than just one single video.

    Regards,

    Jan

  • Keep in mind that Sharklets do increase the glide ratio as well and that extending flaps 1 causes the engine idle thrust to increase. Also keep in mind that for the A320 the spoiler deflection is reduced when autopilot is on.

    We've set the drag based on real world situations but we'll need more sample points than just one single video.

    Could this have a solution soon? It takes away a lot of realism from the simulator, literally if you take the break with indicates the flight plan the T/D you almost always need to use the speed brakes for a long time or almost the entire descent, for some reason in the managed descent when you use a waypoint there is a sudden change of altitudes, example: you are in the descent profile, the autopilot passes the waypoint that should and continues to the next according to the flight plan but when passing that waypoint the descent profile changes, goes up or down like 1000 feet from one second to another

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    In the minute 4:05 you can see, with VS 5.3 The plane doesn't gain much speed as it does in Aerofly