SH Chapter 5 - Communications

Question 1

1) What would cause the SEL indicator to illuminate an RMP?

Answer 1

Cross tuning of RMP (ie VHF1 tuned by RMP 2 or 3)

Question 2

2) How do you tune and transmit on the communication radios?

Answer 2

Any RMP can be used to tune each transceiver

Question 3

3) Which RMP is powered in the Emergency Electrical Configuration?

Answer 3

Only RMP 1

Question 4

4) Which communication radio is powered in the Emergency Electrical Configuration?

Answer 4

VHF 1 only

Question 5

5) What methods could the crew utilize to make a PA announcement?

Answer 5

ACP or Handset

Question 6

6) What does the illumination of the CALL light on the VHF transmission keys indicate?

Answer 6

SELCAL

Question 7

7) What happens if you press the EVAC COMMAND button?

Answer 7

EVAC flashes red and the fwd and aft FA panels flash and evacuation tone sounds

Question 8

8) When is the CVR energized automatically?

Answer 8

• On the ground during first 5 mins after electric added to aircraft
• On the ground with one engine operating
• In flight
• Stops recording 5 mins after second engine shutdown

Question 9

9) How do you record the Flight Attendants PAs?

Answer 9

PA button on at least one ACP selected

Question 10

10) How do you call a mechanic stationed on the outside of the aircraft?

Answer 10

Pushing and holding MECH pb on CALLS section of overhead panel

Question 11

11) What happens when you press the EMER pushbutton?

Answer 11

• High-low chime sounds 3 times
• Two red lights flash on all area call panels
• “EMERGENCY CALL” appears on all AIPs

Question 12

12) What happens when a Flight Attendant initiates an emergency call?

Answer 12

• ON flashes white on EMER pb & call flashes amber
• ATT flashes on all ACPs
• 3 buzzers sound consecutively

Question 13

13) What is the AUDIO SWITCHING PANEL used for?

Answer 13

Allows ACP3 to be switched if ACP1 or ACP2 fails