Hello I have same problem with atr 72-500 and 42-500. I can not adjust and set the air speed (IAS) . could you please to help me, if you solved the problem.
aircraft cfg file for autopilot is :
[autopilot]
autopilot_available=1
use_no_default_bank=1
use_no_default_pitch=0
flight_director_available=1
default_vertical_speed=1500.000
autothrottle_available=1
autothrottle_arming_required=0
autothrottle_takeoff_ga=1
autothrottle_max_rpm=150.000
pitch_takeoff_ga=8.000
vertical_speed_hold_available=1
max_pitch=10.000000
max_pitch_acceleration=1.000000
max_pitch_velocity_lo_alt=2.000000
max_pitch_velocity_hi_alt=1.500000
max_pitch_velocity_lo_alt_breakpoint=20000.000000
max_pitch_velocity_hi_alt_breakpoint=28000.000000
max_bank=25.000000
max_bank_acceleration=1.800000
max_bank_velocity=3.000000
max_throttle_rate=0.100000
nav_proportional_control=9.000000
nav_integrator_control=0.250000
nav_derivative_control=0.000000
nav_integrator_boundary=2.500000
nav_derivative_boundary=0.000000
gs_proportional_control=9.520000
gs_integrator_control=0.260000
gs_derivative_control=0.000000
gs_integrator_boundary=0.700000
gs_derivative_boundary=0.000000
yaw_damper_gain=1
default_bank_mode=0
default_pitch_mode=1
vertical_speed_hold_available=1
autoland_available=1
Thanks.