A320 Alpha Floor Recovery

The amber and black strip rises to the actual speed of the aircraft.

A320 alpha floor recovery.

The alpha floor function is not available below 100 feet ra or during single engine operation with flaps at conf 1 or greater. Alpha floor is also triggered if the pilot applies a large aft stick input while either pitch attitude or angle of attack protection is active. Alpha floor occurs at a predetermined angle of attack. The captain reduced the thrust levers to prevent the aircraft exceeding flap speed.

A floor can be activated by the aircraft even when auto throttle is disengaged. A floor is an auto throttle mode only and when activated provides toga equivalent thrust to the engines. The crew switched to vertical speed mode which reduced the pitch by about one degree however the alpha floor protection activated automatically applying toga. Alpha floor a floor is the low speed protection system so for it to engage the airspeed must be dangerously low.

Vueling a320 at birmingham on aug 26th 2019 alpha floor on second missed approach. The amber boxed a floor annunciation is displayed when the speed is between alpha max and alpha protection and the auto thrust system commands to ga thrust regardless of thrust lever position. The α floor function is not available below 100 feet ra or. Most airbus pilots should never see alpha floor and it would probably scare the bejunks out of the passengers.

Match the thrust lever position. Alpha floor protection is inhibited in some cases. Would be to decrease the angle of attack alpha as much as possible and once the toga lock is displayed on the ecam to disconnect the alpha floor as per procedure. The best thing i would say the only thing as well as airbus industrie would say to do should you have an alpha floor situation triggered off.

The a floor engaged mode changes to toga lk when a floor conditions no longer exist. If that happens the process to restore the autothrust to normal operation is to fly it like a missed approach.