Boeing B737 MAX - Communications

The Cockpit Voice Recorder in AUTO:

Always powers the CVR when DC bus 1 is powered.

Always powers the CVR from first engine start until 5 minutes after last engine shutdown.

Always powers the CVR when AC Transfer bus 1 is powered.

Always powers the CVR when DC bus 2 is powered

Correct! Wrong!

Cockpit Voice Recorder - When the TEST switch is pushed for _____:

5 seconds the red STATUS light flashes once and a tone may be heard through a headset plugged into HEADPHONE jack.

2 seconds the red STATUS light flashes once and a tone may be heard through a headset plugged into HEADPHONE jack.

5 seconds the green STATUS light flashes once and a tone may be heard through a headset plugged into HEADPHONE jack.

2 seconds the green STATUS light flashes once and a tone may be heard through a headset plugged into HEADPHONE jack.

Correct! Wrong!

The MASK-BOOM switch allows selection of the oxygen mask microphone or the boom microphone. The MASK-BOOM switch affects the operation of the hand microphone.

False.

True.

Correct! Wrong!

The MASK-BOOM switch does not affect the operationof the hand microphone.

On the Audio Control panel (ACP) the Cabin call light comes ON. It will illuminate until:

Remains illuminated for 10 seconds.

Remains illuminated for 40 seconds.

Remains illuminated for 30 seconds.

Remains illuminated for 20 seconds.

Correct! Wrong!

Flight Attendants may be called from the flight deck, the other attendant station, or from any passenger seat or lavatory. Master call lights in the passenger cabin identify the source of incoming calls to the attendants.

True.

False.

Correct! Wrong!

How are the communication systems controlled?

By the Audio Control Panel.

By their respective control modulators.

By the Mode Control Panel.

Correct! Wrong!

What is the purpose of the ALT-NORM switch on the Audio Control Panel?

It swaps audio control panels with the observer.

It selects a degraded mode of operation of the ACP.

It selects an alternate radio.

Correct! Wrong!

The VHF 1 antenna is located on the lower fuselage and VHF 2 is on the upper fuselage.

True.

False.

Correct! Wrong!

The VHF 2 antenna is located on the lower fuselage and VHF 1 is on the upper fuselage.

The Cockpit Voice Recorder (CVR) can be erased by:

Pushing the erase button for 5 seconds (aircraft in on ground with parking brake ON).

Pushing the erase button for 2 seconds (aircraft on ground or in flight).

Pushing the erase button for 2 seconds

Pushing the erase button for 2 seconds (aircraft in on ground with parking brake ON).

Correct! Wrong!

The ERASE switch is red. It will erase all four channels.

The pilots can transmit directly over the flight interphone by using the control wheel PTT switch. Alternately, any crewmember with an ACP can transmit/receive over the flight interphone by using their related ACP and normal PTT switches. Any standard microphone may be used with the flight interphone system.

True.

False.

Correct! Wrong!

The cockpit voice recorder uses four independent channels to record flight deck audio for _____

60 minutes.

120 minutes.

25 hours.

300 minutes.

Correct! Wrong!

Recordings older than 120 minutes are automatically erased.

When is the Cockpit Voice Recorder active?

Anytime the battery switch is ON.

Anytime 115 VAC is applied to the aircraft.

In flight only.

Anytime DC power is available

Correct! Wrong!

The call system is used as a means for various crewmembers to gain the attention of other crewmembers and to indicate that interphone communication is desired. Attention is gained through the use of lights and aural signals (chimes or horn). If the flight deck calls the cabin crew, the visual signal at called position is:

Blue.

Green.

Pink.

Blue then becomes red after 5 seconds.

Correct! Wrong!

When the ALTN ORM switch on the Audio Control Panel (ACP) is set to ALT:

The ACP at that station is still operative but in degraded mode.

The ACP at that station is inoperative and the crewmember cannot communicate on any radios.

The ACP at that station is inoperative but the crewmember can communicate on one radio.

The ACP switches to standby ACP and all functions operate normally except PA and interphone.

Correct! Wrong!

In case of degraded audio system operation:

Audio warnings for altitude alert and GPWS are not heard. Windshear alerts are not affected.

Audio warnings for altitude alert, GPWS and windshear are not heard.

Audio warnings for altitude alert are not heard.

Correct! Wrong!

When an HF transmitter is keyed after a frequency change, the antenna tunes. A steady or intermittent tone may be heard through the audio system. While tuning, the tone can last as long as 7 seconds. If the system fails to tune:

The tone will not be heard

The tone will last more than 7 seconds.

The tone will last more than 7 seconds, to a maximum of 30 seconds.

The tone will last more than 7 seconds, to a maximum of 15 seconds.

Correct! Wrong!

The antenna is located in the vertical stabilizer.

If the VOICE RECORDER Switch is selected to ON:

It powers the cockpit voice recorder from first engine start until 5 minutes after last engine shutdown.

It powers the cockpit voice recorder at all time for a maximum of 25h.

It powers the cockpit voice recorder at all time.

It powers the cockpit voice recorder until first engine start, then trips the switch to AUTO.

Correct! Wrong!

With the Captain's ACP operating in degraded mode, at that station:

Altitude alert, GPWS and windshear audio warnings are not heard.

The flight interphone remains useable, the PA is lost.

VHF 2 is the only useable radio.

All ACP transmitter selectors remain functional, but receiver selectors are lost.

Correct! Wrong!

In the degraded mode of operation, are the ACP transmitter selectors functional?

Yes.

No.

Correct! Wrong!

Boeing 737 MAX - Communications

Quiz

Boeing B737 MAX - Communications

The Cockpit Voice Recorder in AUTO:

Cockpit Voice Recorder - When the TEST switch is pushed for _____:

The MASK-BOOM switch allows selection of the oxygen mask microphone or the boom microphone. The MASK-BOOM switch affects the operation of the hand microphone.

On the Audio Control panel (ACP) the Cabin call light comes ON. It will illuminate until:

Flight Attendants may be called from the flight deck, the other attendant station, or from any passenger seat or lavatory. Master call lights in the passenger cabin identify the source of incoming calls to the attendants.

How are the communication systems controlled?

What is the purpose of the ALT-NORM switch on the Audio Control Panel?

The VHF 1 antenna is located on the lower fuselage and VHF 2 is on the upper fuselage.

The Cockpit Voice Recorder (CVR) can be erased by:

The cockpit voice recorder uses four independent channels to record flight deck audio for _____

When is the Cockpit Voice Recorder active?

When the ALTN ORM switch on the Audio Control Panel (ACP) is set to ALT:

In case of degraded audio system operation:

When an HF transmitter is keyed after a frequency change, the antenna tunes. A steady or intermittent tone may be heard through the audio system. While tuning, the tone can last as long as 7 seconds. If the system fails to tune:

If the VOICE RECORDER Switch is selected to ON:

With the Captain's ACP operating in degraded mode, at that station:

In the degraded mode of operation, are the ACP transmitter selectors functional?