wingspan            160
M_cruise            0.8
M_to                0.2
M_loiter            0.3
M_landing           0.2

cLalpha             0.0564
cL0                 0.1422
cMalpha             -0.0597
cM0                 -0.2677

efficiency          0.775
efficiency_to       0.775
efficiency_cruise   0.8128
efficiency_loiter   0.775
efficiency_landing  0.775

alt_cruise          35000
alt_to              0
alt_loiter          10000
alt_landing         0

weight_cruise       160000
weight_to           160000
weight_loiter       130000
weight_landing      130000

cd_correction       0
c_f                 0.003