ATA 23 Communications

Question 1

How long time is recorded in the CVR?

Answer 1

30 min/ 2 hours

Question 2

What conditions must exist before the CVR may be erased?

Answer 2

Park brake set
WoW
Press and Hold the ERASE switch for approx. 16 seconds

Question 3

How is the CVR started and stopped?

Answer 3

The CVR provides continous recording of all flight crew communication, conversations in the flight compartment and PA announcements during the time the aircraft electrical system is powered.

Stopped when power are removed

Question 4

What is the purpose of the ULD (Underwater Locating Device) that is mounted on both the FDR and CVR?

Answer 4

To emit a “ping” when the unit is immersed in water

Question 5

What frequencies is the ELT transmitting on?

Answer 5

121,5
243
406,025 MHz (digital message sent to a satellite)

Question 6

If the ELT inadvertently is transmitting, how is it stopped? (WF Standard)

Answer 6

By the ELT remote switch

The remote switch when moved from ARM to ON and rhen back to ARM again will stop the ELT transmission and reset the transmitter unit

Question 7

How is the brightness of the Digital Display on the Control Box Controlled?

Answer 7

By a automatic display dimming sensor

Question 8

How many frequencies may be stored in the Control Box?

Answer 8

6

Question 9

When the radio transmitts, how is it indicated?

Answer 9

TX - Transmit Annunciator light is illuminated

Sidetone, du hører deg selv

Question 10

The radio may transmitt 2 min. continously. What shall you do if more time is required?

Answer 10

Release the PTT momentarily and then push it again

Question 11

What is the purpose of the HOT MIC Switch?

Answer 11

In the ON position the boom and mask are automatically and continously keyed (“hot”) for interphone mode only

Question 12

If HOT MIC is ON, how does that affect the Cockpit Speakers?

Answer 12

Speaker audio is muted

Question 13

What is the purpose of the AUX Connection at the Headphone Jacks Panel?

Answer 13

If either the pilot’s or copilot’s audio system fail, the affected crew member can monitor the audio integrating system on the opposite side by plugging his headset into the HEADPHONES - AUX jack on his jack panel

Question 14

On the ground, which Crew Stations may be available at the Service Interphone System?

Answer 14

Pilot’s Control Station
Copilot’s Control Station
Observer’s Control Station
Ground Crew Interphone Stations (two stations)

Question 15

When an external headset is connected on the ground, how is it indicated?

Answer 15

The GND CREW FWD or AFT advisory light (pilot’s side) comes on

Question 16

Describe the procedures to make an announcement to the cabin using the PA system

Answer 16

• MIC selector to PA

- Select PA on the CABIN INTERPHONE panel

Question 17

When the Flight Attendant uses the PA system, how is it indicated?

Answer 17

PA pushbutton illuminated (green)

Question 18

The cabin speakers have two power levels. What controls the power level?

Answer 18

Oil press adjusts the power level

Question 19

Does it matter if the matter if the MIC SELECTOR at the observers Audio Panel accidentally is left at Postion PA.

Answer 19

Yes, the PA light (green) will not extinguish

Question 20

What means are available for the Flight Crew to get in contact with the flight attendant?

Answer 20

Cabin Interphone System

By pressing the CALL switchlight and selecting the MIC switch to PA on the audio control panel, the cockpit crew uses the hand-held, headset-boom or maks mike to communicate with the flight attendants

Question 21

What are the indications in the cabin when CHIME is used?

Answer 21

An associated CALL switchlight is illuminated

Question 22

What are the indications in the cabin when EMER at the Cabin Interphone Panel is used?

Answer 22

AMBER illumination of the EMER button on the Cabin Interphone Panel

Chime

Flashing pink

Question 23

What indications are available at the cabin attendants advisory light panel?

Answer 23

EMER
P.A.
CALL
ATT

Legg til de som er i taket

Question 24

What are the total number of static discharges on the aircraft?

Answer 24

• 100: 23 (5 on the left ving, 4 on the right)

- 300: 26