5. SYSTEMS

Question 1

What is the minimum width of pavement needed for 180-degree turn?

Answer 1

47 meters (no differential braking).

Question 2

What is the minimum obstacle clearance required by the wingtip?

Answer 2

Do not attempt to make a turn away from an obstacle within 15 feet (4.6 m) of the wing
tip.

Question 3

What is the maximum steering angle when using the tillers?

Answer 3

70 degrees.

Question 4

What is the maximum steering angle when using the rudders?

Answer 4

8 degrees.

Question 5

When and how can the flight deck overhead door be opened?

Answer 5

o The door can only be opened on the ground with the airplane depressurized.
o To open the door:
▪ remove protective cover from overhead door
▪ rotate the door lock handle to the open position
▪ The door opens inside the flight deck and hangs from the ceiling on hinges.

Question 6

When is the flight deck overhead door used?

Answer 6

If access through the cabin is not possible.

Question 7

How many units comprise the CCS?

Answer 7

2 units L & R.

Question 8

What does CCS (common core system) provide?

Answer 8

o Provides a common computing network and data exchange system for majority of
airplane system.it is operation is automatic.

Question 9

Loss of all displays is an indication of the failure of what?

Answer 9

CCR.

Question 10

Can you turn off the CCRs?

Answer 10

No, you can only reset them using the CCR reset switches.

Question 11

Can the CCRs be restarted in flight? If so, how long does a restart cycle take?

Answer 11

The CCR’s can be reset inflight. The left CCR starts first and takes 1min.

Question 12

If only the battery power is selected ON for airplane start-up, which CCR powers up?

Answer 12

The Left CCR only.

Question 13

How long does it take to power up?

Answer 13

2-3 min. for the Left CCR.

Question 14

What is the cockpit indication when both CCRs are on-line?

Answer 14

All display units are operative.

Question 15

Where are the CCRs located?

Answer 15

FWD E/E bay

Question 16

What is an alternate action switch?

Answer 16

It is a 2 position On/Off switch.

Question 17

When Will the Seat Belt Signs automatically illuminated?

Answer 17

o When the landing gear is not up and locked OR
o Flap lever at 5 or greater OR
o Airplane altitude below an airline defined altitude OR
o Cabin altitude above 10,000 feet OR
o Passenger oxygen ON

Question 18

Why is there no RETURN TO SEAT when the seat belt sign is on and the Passenger
Oxygen Masks have been deployed?

Answer 18

o There are masks available in the lavatories and the passengers should remain at the
lavatory.

Question 19

When will the passenger oxygen masks automatically drop?

Answer 19

o Prior to the cabin altitude reaching the greater of:
▪ 14,500 feet OR
▪ Origin airfield altitude +1500 feet OR
▪ Destination airfield altitude +1500 feet.

Question 20

How many minutes will the passenger oxygen last?

Answer 20

HZ-RXX
o Oxygen is available for approximately 22 minutes.
HZ-RXA, HZ-RXB
o Oxygen is available for approximately 60 minutes.

Question 21

What powers the Emergency Lighting system?

Answer 21

Remote batteries powered by the electric system, they provide power for 10 min if fully
charged.

Question 22

Describe the Emergency Lighting System

Answer 22

o The system monitors airplane power and automatic operation occurs when required
power is lost when the system is armed. It covers exit signs, path lighting, interior and
exterior emergency lights.