Communications

Question 0

Describe the operation of the audio control panels.

Answer 0

• push knob to turn respective receiver on/off, rotate for volume
• push MIC SELECTOR for desired communication system
• CABIN/FLIGHT toggles between respective interphone systems
• BOOM/OXY to OXY activates oxygen mask microphone
• BOOM/OXY to BOOM activates pilot headset microphone

Question 1

What are the cockpit indications of an incoming cabin or ground call?

Answer 1

A chime with a blue GND CALL or CABIN CALL light on the overhead panel

Question 2

Explain CABIN CALL switch/lights.

Answer 2

Illuminated- indicates a flight attendant call
-resets when call is answered or cancelled
-FWD/MID/AFT also resets when light is pushed
Push- calls selected station
-ALERT calls all stations

Question 3

Explain GND CALL switch/light.

Answer 3

Illuminated- indicates a call from ground personnel.
-extinguishes after 30 seconds

Push- calls ground personnel as long as switch is pushed.

Question 4

Describe how to activate/deactivate the oxygen mask microphone.

Answer 4

• boom/oxy switch to OXY to activate the oxygen mask microphone
• boom/oxy switch to BOOM to deactivate the oxygen mask microphone and activate the pilot headset microphone

Question 5

Which microphones can be used for interphone/PA communication to the cabin?

Answer 5

• handsets
• pilot headset
• oxygen mask
• hand microphone

Question 6

On some 767ER aircraft, the FLT INT switch on the overhead panel must be selected to communicate with the flight attendants. Describe the use of the FLT INT Switch/light.

Answer 6

Push- interconnects flight and cabin interphone systems

Illuminated- flight and cabin interphone systems are connected

Push again- returns to normal operation, light is extinguished

Question 7

Understand the operation of the switches on the flight deck aft aisle stand handset.

Answer 7

Cabin call switches (FWD, MID, AFT)- calls respective cabin
RESET switch- cancels a call and resets handset (same as stowing)
PA CALL switch- selects PA system for announcement
PA PUSH TO TALK switch- push and hold to key PA for announcement
ALERT CALL switch- calls all flight attendant stations