Study Guide: Communications FM 6.50

Question 1

1) 757/767: The flight data recorder starts recording automatically:
a) When takeoff thrust is applied
b) When all cabin doors are closed
c) When the ground service bus is powered
d) When either engine is running or the airplane is in flight

Answer 1

d) When either engine is running or the airplane is in flight

Question 2

2) 763: The ______ switch on the audio control panel permits communication between the
flight deck and cabin.
a) SERV INPH
b) VHF-L
c) FLT INPH
d) SAT-L

Answer 2

a) SERV INPH

Question 3

3) 757/767: The flight deck voice recorder can be erased:
a) Anytime the headset jack is used for listening
b) Anytime a test cycle is activated
c) Never
d) If you press the erase switch when on the ground, AC power on, and the parking
brake set

Answer 3

d) If you press the erase switch when on the ground, AC power on, and the parking
brake set

Question 4

4) 757/767: The cabin interphone system permits communication between the flight deck
and the flight attendant stations or between flight attendant stations. Which handset
allows the entire interphone system to be monitored?
a) Aft flight attendant station handset only
b) All of them, the system is a party line
c) Flight deck handset only
d) The PA system handset

Answer 4

b) All of them, the system is a party line

Question 5

5) 752/763: In the case both main AC busses fail, is VHF communication still available?
a) No, the crew has no access to VHF communications
b) Yes, the left VHF radio is powered from the ground service bus
c) No, the left VHF radio is powered from the ground handling bus
d) Yes, the left VHF radio is powered from the standby DC bus

Answer 5

d) Yes, the left VHF radio is powered from the standby DC bus

Question 6

6) 752: The SATCOM CALL light illuminates and the chime sounds notifying pilots:
a) That a successful SATCOM test has been completed
b) That a fault has been detected in the SATCOM system
c) That an incoming call has been terminated
d) Of an incoming SATCOM call

Answer 6

d) Of an incoming SATCOM call

Question 7

7) 757/767: On the pilot call panel, what happens when the ALERT switch is pressed?
a) A call is placed to the forward flight attendant station only
b) A call is placed to all flight attendant stations
c) A chime sounds in the nose wheel well, alerting ground personnel
d) A call is placed to the aft flight attendant station only

Answer 7

b) A call is placed to all flight attendant stations

Question 8

8) 757/767: The call system consists of call panels at stations on the flight deck, in the
cabin, and nose gear. How is the flight crew alerted of an incoming call?
a) A bell will sound
b) A horn will sound
c) By chimes and lights
d) A beeper will sound

Answer 8

c) By chimes and lights

Question 9

9) 757/767: Pilots are alerted by a chime and the EICAS communication message *ATC
when an uplink message is received. To display a datalink message which has just been
received, press the _____ function key on the CDU.
a) FMC COMM
b) RTE
c) INIT REF
d) ATC

Answer 9

d) ATC

Question 10

10) 757/767: The use of high frequency datalink (HFDL) is inhibited for how many seconds
after an HF voice communication has been completed?
a) 30
b) 90
c) 60
d) 120

Answer 10

b) 90

Question 11

11) 752: The SATCOM CALL light stops flashing and remains illuminated:
a) When the call is answered
b) When the call is terminated
c) When a call is initiated from the aircraft
d) When a Ground-to-Aircraft call is initiated

Answer 11

a) When the call is answered

Question 12

12) 752: The SATCOM CALL light extinguishes:
a) When the call is answered
b) When a Ground-to-Aircraft call is initiated
c) When the call is terminated
d) When a call is initiated from the aircraft

Answer 12

c) When the call is terminated

Question 13

13) 757/767: When the service interphone (SERV INTPH) switch on the accessory panel is
placed in the ON position:
a) Adds external (unpressurized area) headphone jacks to cabin interphone system
b) Deactivates external (unpressurized area) headphone jacks to eliminate
background noise
c) Allows receiver selected on the first observer’s audio selector panel to be
broadcast on the inflight entertainment system
d) Interconnects flight and cabin interphone systems

Answer 13

a) Adds external (unpressurized area) headphone jacks to cabin interphone system

Question 14

14) 757/767: The Radio Tuning Panel displays DATA in the ACTIVE frequency window.
What does this indicate?
a) The selected radio has failed
b) The selected radio has been disconnected
c) The radio tuning panel is failed
d) The selected radio is being used in the data mode

Answer 14

d) The selected radio is being used in the data mode

Question 15

15) 757/767: The Radio Tuning Panel displays FAIL in the frequency windows. What does
this indicate?
a) An invalid frequency has been tuned
b) The selected radio is failed or has been disconnected
c) The radio tuning panel is failed
d) The selected radio is being used in the data mode

Answer 15

b) The selected radio is failed or has been

Question 16

16)757/767: The Radio Tuning Panel displays PANEL and FAIL in the frequency windows.
What does this indicate?
a) An invalid frequency has been tuned
b) The selected radio is failed or has been disconnected
c) The radio tuning panel is failed
d) The selected radio is being used in the data mode

Answer 16

c) The radio tuning panel is failed

Question 17

17) 757/767: If the upper portion of the Control Wheel Microphone/Interphone (MIC/INT)
Switch is held, this:
a) Allows transmission on the selected transmitter
b) Allows transmission on the flight interphone system
c) Allows transmission on the cabin interphone system
d) Allows transmission on the service interphone system

Answer 17

a) Allows transmission on the selected transmitter

Question 18

18) 757/767: If the lower portion of the Control Wheel Microphone/Interphone (MIC/INT)
Switch is held, this:
a) Allows transmission on the selected transmitter
b) Allows transmission on the cabin interphone system
c) Allows transmission on the service interphone system
d) Allows transmission on the flight interphone system

Answer 18

d) Allows transmission on the flight interphone system

Question 19

19) 763 (as installed): If the PA Select Switch were to be moved into the PA position, this:
a) Allows PA announcements to be made using the PTT button
b) Allows PA announcements to be monitored through headset or flight deck
speakers
c) Allows PA announcements to be transmitted from the oxygen mask microphone
d) Allows PA announcements to be transmitted from the boom microphone

Answer 19

b) Allows PA announcements to be monitored through headset or flight deck
speakers