Jet Accelerometer Script

I have been trying to make a script that would allow me to tilt my device and rotate my jet up or down, left or right. so far i have had no luck and can’t find anything on the internet so help would be much appreciated.
Thanks.

// Move object using accelerometer variables

var speed = 1;
var movey=1;

function Update () {

    var dir : Vector3 = Vector3.zero;

    // we assume that device is held parallel to the ground
    // and Home button is in the right hand
    
    // remap device acceleration axis to game coordinates:
    //  1) XY plane of the device is mapped onto XZ plane
    //  2) rotated 90 degrees around Y axis
    dir.x =  Input.acceleration.x;
    dir.z = movey;
    
    // clamp acceleration vector to unit sphere
    if (dir.sqrMagnitude > 1)
        dir.Normalize();
    
    // Make it move 10 meters per second instead of 10 meters per frame...
  //  dir *= Time.deltaTime;
        
    // Move object
    transform.Translate (dir * speed);

}