when do the ground spoilers automatically arm?
auto position
L & R thottles > min takeoff setting
wheel speed > 16 kts
when do the ground spoilures manualy arm?
what is the deploy logic?
L & R throttles at idle
WOW
wheel speed > 16 kts
When do they retract?
Manually due to NJ ops
flight spoiler lever retract and switch in AUTO