Communications and Avionics 1-77 Flashcards Preview

T-6 Dash-1 (PED) > Communications and Avionics 1-77 > Flashcards

Flashcards in Communications and Avionics 1-77 Deck (58)
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1
Q

The Avionics Master Switch “powers” all avionics and radio systems in both cockpits except?

A

except for the back-up UHF control unit and UHF transceiver

2
Q

The avionics master switch provides logic to apply power to the blowers even with the blower control switches in the OFF position.

A

True

3
Q

How many antennas on the T-6?

A

10

4
Q

Selecting alternate (ALTN) bypasses the amplifier and provides what type of audio?

A

raw audio (no volume control)

5
Q

Each audio control panel also includes a toggle switch, placarded V, R, and BOTH. What does the letters represent?

A

voice only (V),
recognition or morse code only (R)
both voice and recognition (BOTH)

6
Q

Which audio panel features the HOT/COLD function?

A

The rear cockpit audio panel

7
Q

When the interphone control switch is set to HOT, both microphone circuits are activated. Depressing the ICS KEY/MUTE switch on either PCL does what?

A

mutes all external incoming audio.

8
Q

To monitor the VHF emergency (guard) frequency, the VHF system must be tuned to _____ MHz.

A

121.50

9
Q

UHF and VHF GUARD frequency?

A

243.00/121.50

10
Q

The transponder provides what three modes of operation?

A

standby, on, and altitude reporting.

11
Q

With the transponder in standby what information is provided to ATC?

A

the transponder code may be selected, but the transponder will not respond to ground or airborne interrogations

12
Q

With the transponder in ON what information is provided to ATC?

A

the transponder code may be selected and the transponder will transmit the selected code when interrogated, but will not provide altitude reporting information.

13
Q

With the transponder in ALT what information is provided to ATC?

A

the transponder code may be selected and will respond to interrogations with the selected code and altitude information received from the air data computer.

14
Q

The transponder system provides modes ______ for operation in the air traffic control radar beacon system

A

A, C, and S

15
Q

How is the RADIO MANAGEMENT UNIT (RMU) displays organized?

A
UHF field
VHF field
Transponder field
Blank
VHF nav field
16
Q

On the RMU, what are the name of the switched to the left and right respectively?

A

Field select keys (left)

Transfer/Mode select switches (right)

17
Q

If all systems pass the preflight test, the RMU automatically cycles to the normal operating page.

A

true

18
Q

If any system does not pass the RMU preflight test, what happens?

A

the display remains on the preflight test page.

19
Q

If any system does not pass the RMU preflight test the RMU will not be usable, and the flight must be aborted.

A

False. Pressing the key adjacent to ACCEPT, which accepts the failure and then proceeds to the normal operating page

20
Q

The VHF communications memory pages will store how many frequencies?

A

20

21
Q

The UHF communications memory pages will store 15 frequencies.

A

False. It will store 20

22
Q

The NAV memory page will store 15 frequencies.

A

False. It will only store 10

23
Q

If the backup UHF control head is set to both GUARD and MAIN (GD and MN), the radio will transmit on what?

A

GUARD if the pilot keys the

transmitter while a GUARD transmission is being received.

24
Q

The electronic flight instrument system (EFIS) includes what?

A

a control panel and two 5-inch displays in each cockpit

25
Q

The horizontal situation indicator (HSI) button is used to select one of two possible 360-degree EHSI display formats - which two?

A

● Basic navigation data page

● Directional gyro page

26
Q

The arc button (ARC) is used to select one of two ____-degree arc display formats for the EHSI

A

85

27
Q

EHSI display range scale selections are?

A

2.5, 5, 10, 20, 40, 80, 120, 160, and 500 NM

28
Q

If the pitch angle exceeds ______, or if the roll angle exceeds _____, only the attitude presentation remains on the EADI, and all other information is decluttered.

A

+30° or -20°; 65°

29
Q

________ on the EADI indicate the best unusual attitude recovery direction.

A

Red chevrons

30
Q

The chevrons will appear in the black ground raster between ____________, and in the blue sky raster between
________.

A

40° and 90°; 40° and 90°

31
Q

Whenever the aircraft has returned to a pitch orientation of less than __________ down, and the bank angle is less than , the normal EADI presentation will reappear.

A

25° up or 15°; 60°

32
Q

CDI dot deflections:

What is 1 dot and 2 dots for the CDI for VOR?

A

5° / 10°

33
Q

CDI dot deflections:

What is 1 dot and 2 dots for the CDI for LOC?

A

0.25 ° x width of

localizer; 0.5 ° x width of localizer

34
Q

CDI dot deflections:

What is 1 dot and 2 dots for the CDI for GLIDESLOPE?

A

0.25 ° x width of
glideslope; 0.5 ° x height of
glideslope

35
Q

CDI dot deflections:

What is 1 dot and 2 dots for the CDI in EN ROUTE MODE?

A

2.5 NM; 5.0 NM

36
Q

CDI dot deflections:

What is 1 dot and 2 dots for the CDI in APR ARM?

A

0.5 NM; 1.0 NM

37
Q

CDI dot deflections:

What is 1 dot and 2 dots for the CDI ?

A

0.15 NM; 0.3 NM

38
Q

The ILS equipment includes reverse sensing capability

A

False. When executing a published localizer back course approach procedure,
the pilot must set the localizer front course in the EHSI to obtain normal (fly-to) CDI displacement

39
Q

To correct EADI attitude errors caused by maneuvering do what?

A

maintain straight and level, unaccelerated flight until the apparent errors are corrected. Depending upon the severity of the error, resolution typically takes less than 1 minute, but may require more than 2 minutes in extreme cases.

40
Q

To provide the pilot with usable heading information in the case of local magnetic disturbances, the AHRS
should be placed in the ____ mode.

A

DG (free)

41
Q

With a failure of the flux valve (AHRS), heading information is provided in the same way as if the AHRS controller is being manually switched into DG mode, except what?

A

The difference is an annunciaton of the heading warn flag (red HDG in red box to the right and slightly above the Heading Lubber Mark) on the EHSI.

42
Q

When the AHRS self-test mode is initiated, how long after the switch is released, will the display return to normal if all systems tested are functional.

A

1 second

43
Q

Where is the magnetic sensor unit located?

A

The magnetic sensor unit is located in the right wing.

44
Q

How can you tell the TAS is disabled/enabled?

A

The system is disabled if OFF is illuminated in blue on the switch, and enabled if aircraft
is powered and the switch is blank.

45
Q

When normal mode (TAS) is selected, traffic between __________ to __________ the aircraft will be displayed.

A

2700 feet above; 2700 feet below

46
Q

When above mode (TAS) is selected, traffic between __________ to __________ the aircraft will be displayed.

A

8700 feet above; 2700 feet below

47
Q

When below mode (TAS) is selected, traffic between __________ to __________ the aircraft will be displayed.

A

2700 feet above; 8700 feet below

48
Q

the TAS processor is always processing traffic _______ above and below the aircraft.

A

10,000 feet

49
Q

TAS tracks range, altitude, and relative bearing of aircraft within a ____ nautical mile (NM) radius

A

40

50
Q

TAS range selections are

A

3, 5, 10, 20, and 40 NM.

51
Q

TAS sensitivity levels?

A

Sensitivity level A. TAS is in sensitivity level A when the landing gear is extended

Sensitivity level B. TAS is in sensitivity level B when the landing gear is retracted

52
Q

If the TAS is in mode B, closing rate is maintained, a vertical separation of less than ____ feet will occur in ____ seconds.

A

800; 30

53
Q

If the TAS is in mode A, closing rate is maintained, a vertical separation of less than ____ feet will occur in ____ seconds.

A

600; 20

54
Q

What TAS mode?

Vertical separation from intruder is less than 600 feet and horizontal separation is less than 0.2 NM.

A

A

55
Q

What TAS mode?

Vertical separation from intruder is less than 800 feet and horizontal separation is less than 0.55 NM.

A

B

56
Q

How is a Non-threat traffic indicated (TAS)?

A

An open white diamond

57
Q

Proximity traffic symbol (TAS)?

A

A filled white diamond

58
Q

Traffic advisory (TA) symbol (TAS)?

A

A filled yellow circle