BOAC
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ABNORMAL ATTITUDE LAWS
An abnormal attitude law in pitch and roll is provided if the aircraft is in flight and in any of these conditions :
— Pitch attitude > 50 nose up or 30 nose down
— Bank angle > 125
— Angle of attack>30or<10
— Speed>440ktor<60kt
— Mach>0.96or<0.1
The law in pitch is the alternate law without protection (except load factor protection) and without auto trim. In roll it is a full authority direct law with yaw alternate.
After recovery, the flight controls laws are:
in pitch : alternate law
in roll : direct law with yaw alternate law