Communications COPY

Question 1

Thierry Giraudo

How do we connect the Service Interphone ?

Answer 1

FCOM 5-30 & 5-10

The Service Interphone Switch is located on the overhead panel (P5)

Question 2

Thierry Giraudo

What happens if you hit the CAB push button on the ACP twice in less than 1 sec ?

Answer 2

FCOM 5-10 / ACP

You call door 1L

Question 3

Thierry Giraudo

What are the 3 positions V/B/R on the ACP ?

Answer 3

FCOM 5-10 / Radio System / TCP

VOICE = audio (eg : weather info in the US)

BOTH = voice + range

RANGE = range (morse)

Question 4

Thierry Giraudo

What does the Store Active prompt on the TCP do ?

Answer 4

FCOM 5-30 & 5-10

It stores the active frequency on the alternate frequency page

Question 5

Thierry giraudo

How could you switch the VHF squelch off ?

Answer 5

FCOM 5-10 / Radio System / TCP

TCP / MENU / RADIO MISC

Question 6

Thierry Giraudo

After O2 mask use, how can you again use your headset microphone ?

Answer 6

• FCOM 5-10 / Miscellaneous Communication Controls*
• FCOM 5-20 / System Description / ACP*

You must close the left O2 mask door and press the Test/Reset push-button

Question 7

Thierry Giraudo

Where can the ground staff connect to the service interphone outside the airplane ?

Answer 7

787 General Technical Description Book / p132

2 locations :

• P40 panel (service & APU shutdown panel)
• P57 panel (behind the MLG)

Question 8

Thierry Giraudo

Which audio systems are still powered in the event of electrical power loss ?

Answer 8

FCOM 5-10 / TCP

Left VHF and left TCP

Question 9

Thierry Giraudo

Which VHF can be used for Data communications ?

Answer 9

FCOM 5-20 / Radio Communication Systems

VHF C & VHF R

VHF L is configured for voice communications only

Question 10

Thierry Giraudo

Which TCP can tune HF L ? HF R ?

Answer 10

FCOM 5-20 / Radio Communication Sytems / HF

Either HF can be tuned by any TCP

Question 11

Thierry Giraudo

How many HF antennas are there ?

Answer 11

FCOM 5-20 / Radio Communication Sytems / HF

1 single antenna

Only 1 HF can transmit at a time, but both HF can receive simultaneously (if neither is used for transmitting).

Question 12

Thierry Giraudo

Is the Selcal System available in HF only ?

Answer 12

FCOM 5-20 / Selcal

No, it monitors the 3 VHF and the 2 HF radios.

Question 13

Thierry Giraudo

How is an incoming Satcom call annunciated?

Answer 13

FCOM 5-20 / Satcom

By :

• a Selcal chime +
• a Call light on the ACP +
• a SATCOM CALL message on the EICAS

Question 14

Thierry Giraudo

How many priority levels are there for the Satcom Calls ?

Answer 14

FCOM 5-20 / Satcom

• 3 on BA and BB (EMG, HGH & LOW)
• 4 on BC -> BJ (EMG, HGH, LOW & PUB)

Question 15

Thierry Giraudo

Is there any difference between a Cabin Call and a Cabin Alert ?

Answer 15

FCOM 5-50 / Eicas Messages / Eicas Communication Messages

No, it’s the same audio chime (Medium Level).