This way we prevent a big dip due to TECS in altitude when the
transition happens at 10 m/s already. Apparently the rule of thumb
is to set this transition speed at the same as airspeed cruise speed.
Mark V19_VT_ROLLDIR @category system
Throttle down mavlink critical msg
Send 0 actuator_output for safety
VTOL: unset v1.9 roll direction safety check param for builtin airframes