More subtle flaw is having it not move or a travel limit
occasionally due to some dirt in the tube or on the ball.
*/
- d = - current_aircraft.fdm_state->get_A_Z_pilot();
+ d = -current_aircraft.fdm_state->get_A_Z_pilot();
if ( d < 1 ) d = 1;
set_lowpass ( & the_TC_rad,
current_aircraft.fdm_state->get_A_Y_pilot () / d,