ERJ 175 Flight Controls 167 Review Questions And Answers |Success Guaranteed

Are elevator high level functions and autopilot available in direct mode? - ️️No, because the FCM is removed Are ground spoilers available in direct mode? - ️️No, ground spoilers are only available in Normal mode because they require the FCM Are the speed brakes available in direct mode? - ️️No, they require the FCM so only available in normal mode Can the aileron disconnect handle be reset in flight? - ️️No it requires maintenance to reconnect Can the FCMs override pilot input? - ️️No, the pilot has supreme control authority Can the surface still move when strike protection engages? - ️️It can still be moved in the opposite direction as when it failed, and then moved in both directions once it has been returned to the previously selected position Describe Direct Mode - ️️The FCM is removed from the control loop, and the control limits default to values set by hardware in the P-ACE Describe Normal Mode - ️️The FCM provides software-based airspeed gain schedules and control limits to the P-ACE, as well as high level functions Describe rudder direct mode high speed fixed gain - ️️Used when flaps/slats retracted, it limits rudder movement at high speeds to prevent structural damage Describe rudder direct mode low speed fixed gain - ️️Used when flaps/slats extended. Rudder set to maximum authority for control during approach and landing Do the rudder actuators operate one an active/standby configuration? - ️️Yes, they follow Odd Even Day Engage between 4 P-ACE channels For trim switches, how long are pilot inputs limited to in order to prevent trim runaways? - ️️3 seconds How are the elevator surfaces actuated? - ️️Hydraulically through a PCU How are the flight controls modes selected? - ️️Manually using the mode select switch or automatically when a channel fails