// Ground speed knots
fgTie("/velocities/groundspeed-kt", this,
- &FGInterface::get_V_ground_speed_kt); // read-only
+ &FGInterface::get_V_ground_speed_kt,
+ &FGInterface::set_V_ground_speed_kt); // read-only
// Calibrated airspeed
fgTie("/velocities/airspeed-kt", this,