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Suppe > 5 Communications > Flashcards

5 Communications Flashcards

1
Q

How many HF radios are installed?

A

Two independent HF communication radios are installed.

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2
Q

How many VHF radios are installed?

A

Three independent VHF radios are installed,

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3
Q

The ACARS data link is connected to a radio. Which?

A

The center VHF radio is dedicated to ACARS data link.

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4
Q

ACARS communicates incoming and outgoing data and messages through:

A
  • The VHF C
  • The SATCOM system
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5
Q

Does ACARS use VHF or SATCOM?

A

The ACARS will automatically switch between VHF and SATCOM as required.

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6
Q

The SATCOM system four priority levels:

A

1 - emergency and distress calls (activates ground station alarm)
2 - regulatory and flight safety calls
3 - non-safety related service calls
4 - passenger cabin calls.

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7
Q

The Iridium SATCOM
communication involves three basic components:

A

1 - The airplane based Iridium SATCOM system
2 - The ground based Iridium SATCOM network which consists of a gateway and five control stations
3 - The satellite constellation which consists of 66 Low-Earth-Orbit (LEO)
satellites.

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8
Q

SATCOM means?

A

SATCOM system has failed

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9
Q

SATCOM VOICE means?

A

SATCOM Voice communication is not available

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10
Q

SATCOM LOST means?

A

SATCOM Voice communication is temporarily lost

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11
Q

SATCOM AVAIL means?

A

Resume use of SATCOM Voice communication

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12
Q

SATCOM CALL means?

A

A GTA incoming call is received

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13
Q

SATCOM DATALINK means?

A

SATCOM datalink system has
failed.

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14
Q

GROUND CALL means?

A

Incoming call from the ground crew

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15
Q

Regarding the ACARS. For airborne event sensing and flight crew alerting, the MU interfaces with:

A
  • Digital flight data acquisition unit (DFDAU)
  • The flight management computers (FMC)
  • The EICAS computers
  • The SELCAL system
  • The flight deck printer
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16
Q

The ACARS MU collects, controls, and processes incoming and outgoing data
and messages through:

A
  • The VHF radio system.
  • The SATCOM system.
17
Q

DATALINK LOST means?

A

Data link is temporarily lost.

18
Q

DATALINK SYS means?

A

Data link system has failed.

19
Q

CABIN ALERT means?

A

Pilot alert received over cabin
interphone.

20
Q

CABIN CALL means?

A

Pilot call received over cabin
interphone.

21
Q

SELCAL means?

A

SELCAL received on VHF or HF
radio.

22
Q

PRINTER means?

A

A company data link message has been received and sent to the printer.

23
Q

ATC means?

A

An ATC data link message has been received.

24
Q

FMC means?

A

An FMC communications
related data link message has been received.

25
Q

DATALINK AVAIL means?

A

A lost data link connection has
been re-established.

26
Q

VHF DATA OFF means?

A

VHF radio is in voice mode - Data cannot be sent.

27
Q

SATVOICE AVAIL means?

A

SATCOM voice capability
re–established.

Suppe (18 decks)

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