Which pressure line(s) need(s) to be drained ?

A. To prevent door opening if pressure is <3000 psi.

B. To lock the selector in the OPEN/CLOSE position until the actuator is fully opened/retracted.

C. To ensure correct pressure in the extension chamber of the actuators before closing.

A. To the locking shaft.

B. To the safety shaft.

C. To the spring unit.

A. The GCR relay and the GLC stay closed.

B. The GCR relay stays closed and the GLC opens.

C. The GCR relay and the GLC are opened.

A. When one RA fails.

B. When both RAs fail and the slats are extended.

C. When both RAs fail below 2500ft.

A. Pitch and roll.

B. Selected tilt angle,antenna azimuth angle and elevation angle.

C. A and B.

A. A blue band and number 1.

B. A blue band and number 3.

C. A blue band and number 2.

A. Within five minutes of NAV mode selection when present position has bot been entered.

B. During the alignement phase in case of IRS alignment error.

C. When alignment has been completed.

A. SYSTEM display.

B. ENGINE/WARNING display.

C. STATUS display.

A. Rudder trim actuator.

B. Rudder trim and yaw damper actuators.

C. Yaw damper actuators.

A. Red when in presence of a corrective RA detection.

B. Green when in presence of a corrective RA detection.

C. Red or green when in presence of a corrective RA detection depending on the sector band in which they are.