A、At first engine start + 3 minutes.
B、At touch down.
C、After touch down when the aircraft speed has been below 80 knots for 30 seconds.
答案:C
A、At first engine start + 3 minutes.
B、At touch down.
C、After touch down when the aircraft speed has been below 80 knots for 30 seconds.
答案:C
A. The directors directly.
B. The type A DEUs
C. The type B DEUs
A. An asymmetry.
B. An overspeed.
C. A runaway.
A. On Capt ND and F/O PFD.
B. On Capt PFD and F/O ND.
C. On F/O PFD and F/O ND .
A. To ensure self centering of the nose gear.
B. To adjust the nose wheel steering speed.
C. To adjust the rate of depressurization in the hydraulic block.
A. Only the ELACs.
B. The ELACs and the SECs.
C. The FCDCs
A. One.
B. Two.
C. Three.
A. In flight, not on ground.
B. On ground,not in flight.
C. In icing conditions only.
A. The inner cell .
B. The center tank .
C. The outer cell .
A. Not electrically supplied.
B. Reduced.
C. Increased.
A. Green electric pump.
B. Yellow electric pump.
C. Blue electric pump.