{
  "PA-18"   : 1.0,

  "Sw"      : 178.5,
  "cbar"    : 5.2,
  "b"       : 35.2,

  "mass"    : 1575.0,
  "Ixx"     : 652.5,
  "Iyy"     : 477.3,
  "Izz"     : 1063.5,
  "Ixz"     : 0.0,

  "cg"      : [ 0.9, 0.0, 6.8 ],

  "engine"  : [ 
  {
    "pos"     : [ -75.7, 0.0, 6.8 ],
    "dir"     : [ 0.0, 0.0, 0.0 ],

    "FT_max"  : 605.3,
    "MT_max"  : -35.8,
    "rpm_max" : 3042.6
  } ],

  "gear"    : [ 
  {
    "pos"     : [ 135.0, 0.0, -9.5 ],
    "spring"  : 1750.0, 
    "damp"    : 875.0
  },
  {
    "pos"     : [ -10.0, -38.0, -47.4 ],
    "spring"  : 1750.0, 
    "damp"    : 875.0
  },
  {
    "pos"     : [ -10.0, 38.0, -47.4 ],
    "spring"  : 1750.0, 
    "damp"    : 875.0
  } ],

  "de_max"  : 17.5,
  "dr_max"  : 20.0,
  "da_max"  : 20.0,
  "df_max"  : 40.0,

  "CLmin"   : 0.3483,
  "CLa"     : 5.0158,
  "CLadot"  : 1.2508,
  "CLq"     : 2.7969,
  "CLdf"    : 0.4000,

  "CDmin"   : 0.0227,
  "CDa"     : 0.1679,
  "CDb"     : 0.2000,
  "CDi"     : 0.0400,
  "CDdf"    : 0.0300,

  "CYb"     : -0.2643,
  "CYp"     : 0.0064,
  "CYr"     : 0.2012,
  "CYdr"    : 0.0804,

  "Clb"     : -0.1253,
  "Clp"     : -0.6629,
  "Clr"     : 0.0809,
  "Clda"    : 0.1700,
  "Cldr"    : 0.0100,

  "Cma"     : -0.7619,
  "Cmadot"  : -3.1449,
  "Cmq"     : -7.0321,
  "Cmde"    : -0.9032,

  "Cnb"     : 0.0483,
  "Cnp"     : -0.0024,
  "Cnr"     : -0.0503,
  "Cndr"    : -0.0306
}