takeoff_heights ={
    .0 = 0.0,
    .1 = 8.0,
    .2 = 10.0,
    .3 = 12.0,
    .4 = 14.0,
    .5 = 16.0,
    .6 = 18.0,
    .9 = 8.0,
    .11 = 6.0,
    .14 = 9.0,
    .16 = 9.0,
    .17 = 3.0,
    .18 = 6.0,
    .19 = 9.0,
    .20 = 3.0,
    .21 = 3.0,
    .22 = 3.0,
    .23 = 0.0,
    .24 = 24.0,
    .25 = 18.0,
    .26 = 10.0,
    .27 = 28.0,
    .28 = 14.0
}