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AW169 Type Rating (Leonardo) > Communications (23) > Flashcards

Communications (23) Flashcards

1
Q

How is data prevented from downloading/uploading of maintenance data when airborne?

A

WOW switch

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2
Q

What comprises the basic communication system?

A
  • Intercom
  • 2 VHF transceivers
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3
Q

What audio sources are routed over the intercommunication system?

A
  1. Intercom
  2. VHF Radios
  3. CAS Messages & Tones
  4. HTAWS
  5. TCAS
  6. Nav system
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4
Q

What are the major components of the Intercommunication system?

A
  • Audio management Unit (for headsets)
  • Cockpit Audio Control panel (ACP)
  • Cabin ACP
  • Remote Memory Unit
  • Pax intercom amplifier
  • Pax speaker amplifier
  • External Socket
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5
Q

What is the range of the VHF radios?

A

200nm

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6
Q

What controls the transceivers?

A

AMMS
EDCU
ACP
CCD

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7
Q

What is the primary and secondary methods of operating the VHF radios?

A
  1. EDCU
  2. CCD
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8
Q

What powers the AMU (Audio Management Unit)

A

28Vdc from EMER 1 & ESS1

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9
Q

What powers the PSA (Pax Speaker Amplifier)?

A

MAIN 3

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10
Q

Where are the RMU, AMU and PIA fitted?

A

In the bay below the pilot foot well.

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11
Q

What is the AMU?

A

Audio Management Unit

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12
Q

What is the RMU?

A

Remote Memory Unit

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13
Q

What is the AMU?

A

Audio Management Unit

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14
Q

What is the PIA?

A

Passenger Intercom Amplifier

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15
Q

What is the PSA?

A

Passenger Speaker Amplifier
(Rear Avionics)

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16
Q

What happens when you select BK-UP in the CACP?

A
  1. ISO triggered in BOTH ACPs
  2. CAS advisory ICS BKUP/EMERG posts
  3. BOTH ACPs revert BKUP
  4. ALL cabin and headset functions are disabled
  5. Power from AMU reverts to BKUP Power Suppy
17
Q

What is the function of the ISO CALL button?

A

Puts the Front and Back into isolation
Pressing it again on any crew ACP will revert it back to the ICDS normal mode

18
Q

What happens when you select EMER on the ACP?

A
  1. Both ACPs revert to EMER
  2. [ICS BKUP/EMER] posted
  3. ALL ACP controls disabled
  4. PAX headsets are disabled
19
Q

What are the 2 ways of ICS EMER mode activated?

A
  1. Automatically (when AMU detects loss of Comm with 1 ACP)
  2. Manually
20
Q

In EMER Mode what is available to each seat position?

A

SIC - VHF1, NAV1, CAS, TAWS & TCAS Audio
PIC - VHF2, NAV2, CAS, TAWS & TCAS Audio

21
Q

How many BITs have the ACPs got?

A
  1. PBIT (Power-Up BIT)
  2. CBIT (Continuous BIT)
22
Q

What happens if the ACP CBIT detects a loss of link for more than 0.5s?

A

Activates the EMER mode

23
Q

What are the 3 methods of transmitting?

A
  1. ACP
  2. Cyclic
  3. Foot Switch
24
Q

Where are the VHF antennae fitted?

A

VHF1 - Upper
VHF2 - Lower

25
Q

What happens to the radio if you suffer an EDCU failure?

A

The onside radio goes to guard

26
Q

What are the methods of controlling the VHF system?

A
  1. EDCU
  2. CCD
27
Q

What condition is Squelch at power-up?

A

ON

28
Q

How many preset frequencies can be stored in the AMMS?

A

20

29
Q

What happens when you press EMER in the EDCU CHF sub menu?

A

Sets VHF guard on VHF1

30
Q

Where can you check for COMM & NAV serviceability

A

Test page of EDCU

31
Q

How does the aircraft protect against permanent PTT?

A

After 2 minutes of continuous TX, the system will reset the system.

32
Q

What is the priority of the PTT system?

A

None
First come, first served

33
Q

How are preset channel frequencies loaded?

A

Via DTD

34
Q

What is the transmitter duty cycle limit?

A

60s continuous in any 5 min period

AW169 Type Rating (Leonardo) (30 decks)

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