2A553B Cdc's Vol. 3

Front 1

The max number of avionics units that the MIL-STD-1553B data bus is capable of transferring data between is?

Back 1

32

Front 2

which element of the MIL-STD-1553B data bus gathers and formats info from aircraft sensors for transfer on the data bus?

Back 2

Remote terminal

Front 3

A backup bus controller in the MIL-STD-1553B data bus is

Back 3

Not required for normal operation, but is required on modern data busses.

Front 4

What does an optical data bus use as the controlling protocol for high speed message transfer?

Back 4

MIL-STD-1553B

Front 5

When the bus controller detects a transmossion error while communicating with the RT on the MIL-STD-1553B data bus, the bus controller

Back 5

Retransmits the command several times and then tries the backup data bus.

Front 6

Which element of the MIL-STD-1553B data bus is not ususally used in avionics bus systems?

Back 6

Bus Monitor.

Front 7

Which type of data bus stub is most suitable for stubs less than one foot in length on the MIL-STD-1553B data bus?

Back 7

Direct-coupled stub with internal coupling network

Front 8

The superior type of data bus stub on a MIL-STD-1553B data bus is the

Back 8

Transformer-coupled stub with external coupling network.

Front 9

Each type of word used on the MIL-STD-1553B data bus is

Back 9

20 bits long with a 3-bit sync charachter, 16 info bits, and one parity bit.

Front 10

In an MIL-STD-1553B data bus command word, the field that refers to a fucntion or area within the remote terminal to which the command is being directed is the ?

Back 10

sub-address / mode field.

Front 11

Informaton describing the condition of a RT on a MIL-STD-1553B data bus is transmitted as a

Back 11

status word in response to a command from the bus controller.

Front 12

The word count field in a controller to RT transfer message on the MIL-STD-1553B data bus must correspond to the number of

Back 12

data words the RT recieves from the bus controller

Front 13

After the recieving RT on a MIL-STD-1553B data bus has recieved and validated the data words from the transmitting RT during an RT to RT transfer, it does what?

Back 13

responds with a status word indicating a successful transfer.

Front 14

During mode command transfers on a MIL-STD-1553B data bus, the word count / mode field identifies what?

Back 14

the particular mode command being implemented by the bus controller.

Front 15

Which LRU is the CITS data bus controller?

Back 15

Digital Computer.

Front 16

Circuit parameter data from the communications and dependent position determining subsystems is recieved by the ?

Back 16

data conversion unit.

Front 17

The aircraft parameter data file is recorded by the?

Back 17

CITS maintenance recorder.

Front 18

The system integration manual does not contain what?

Back 18

a description of the CITS system.

Front 19

To locate a CMC autoflow chart in the system integration manual, you use what?

Back 19

the CMC to autoflow cross reference list.

Front 20

When the DISPLAY switch on the CITS computer display panel is momentarrily pressed to DIS RESET, what happens?

Back 20

all lighted matrix switches are turned off and reset.

Front 21

How many different test patterns are used when the CITS computer display panel's DIS TEST switch is used?

Back 21

4

Front 22

To view data on the alphanumeric dispaly of the CITS computer display panel, the DIS mode switch must be in what position?

Back 22

CMPTR

Front 23

In which mode is a CITS maintenance code displayed on the CITS computer display panel?

Back 23

FLT FAULT ISLN

Front 24

The mission computer provides display mode commands, flight director commands, and?

Back 24

radar altitude.

Front 25

The HUD's are focused to infinity and permit a wide field of view of

Back 25

30 degrees horizontal and 24 degrees vertical.

Front 26

The HUD shows declutter 1, declutter 2, and what 3 levels of symbol presentation?

Back 26

Normal (declutter off), levels of symbol presentation.

Front 27

What are the HUD master control switch positions?

Back 27

OFF, NIGHT, AUTO, and DAY.

Front 28

The VSDS 's SGU processes analog information, MIL-STD-1553B bus data, and

Back 28

Mode commands.

Front 29

The VSDS displays a visual representation of navigation data, A/S, altitude,

Back 29

axis velocities, and various cautions.

Front 30

Which VSDS component recieves compass, A/S, roll/pitch, and radio altitude information via the system electronic unit?

Back 30

SGU ( symbol generator unit)

Front 31

Which IFMS subsystem may be used to detect airborne targets?

Back 31

Color weather radar.

Front 32

Which IFMS subsystem uses multiple satellites to calculate the aircrafts present longitude and lattitude?

Back 32

Global Positioning System

Front 33

What provides the primary processing and interface functions for the flight management system?

Back 33

Control display unit.

Front 34

The data loader system is comprised of a

Back 34

data card and data receptacle

Front 35

After the ADTD is first turned on, the heaters/ADTD may take up to

Back 35

20 minutes to reach 0 degrees celcius

Front 36

Accordning to the principles applicable to the A/S indicator, as altitude increases, the max allowable a/s does what?

Back 36

decreases.

Front 37

What type of pressure enters the A/S diaphragm of the A/S indicator?

Back 37

Pitot

Front 38

Which errors must be corrected to make an A/S indicator display true A/S?

Back 38

Altitude and temperature.

Front 39

The sensing elements in the true A/S indicator are surrounded by what?

Back 39

static pressure.

Front 40

Which conditions cause an uncorrected A/S indicator to read higher than it should?

Back 40

Decreased altitude and decreased temperature.

Front 41

Which indicator helps the pilot maintain a specific rate of climb or dive?

Back 41

Vertical velocity

Front 42

What type of pressure is applied to the inside of the thermos chamber of the rate of climb indicator?

Back 42

unrestricted static.

Front 43

During what aircraft maneuver is the static pressure inside the piaphragm of the vertical velocity indicator greater than on the outside?

Back 43

Dive

Front 44

The standard Datum planeis a theoretical plane where the atmospheric pressure is

Back 44

29.92" Hg and the temp is +15'C

Front 45

Static pressure is?

Back 45

greater at low altitudes and less at higher altitudes.

Front 46

What type of error is caused by the location and manner in which a pitot tube is installed?

Back 46

Installation error.

Front 47

Mechanical error inside the A/S indicator is called

Back 47

Instrument error.

Front 48

The primary difference between indicated A/S and true A/S is the

Back 48

Density error.

Front 49

Density error can be corrected by adjusting what?

Back 49

The barometric scale on the front of the indicator.

Front 50

The heart of the VVI is a what?

Back 50

Pressure sensitive diaphragm.

Front 51

The total air temperature is callibrated in

Back 51

two degree increments from -70' to +80'C

Front 52

Each total air temperature probe contains what?

Back 52

two variable resistance type sensing elements.

Front 53

When the failure annunciator on the front of the SCADC is reset, it shows what color?

Back 53

Solid Black

Front 54

During which SCADC BIT can recorded failures be retrieved?

Back 54

0 and 6

Front 55

Which SCADC BIT allows slewing of altitude and A/S?

Back 55

9

Front 56

When activated, which switch causes the no.1 SCADC to output fixed values of altitude, vertical speed, mach, A/S and true A/S?

Back 56

Pilot's SCADC self-test switch.

Front 57

What displays on the Mach-a/s indicator respond to synchro outputs from the SCADC?

Back 57

IAS and Mach.

Front 58

Which Mach - A/S indicator displays are manually inserted?

Back 58

Command Mach and Command IAS

Front 59

The Command Mach marker on the Mach-A/S indicator tracks the

Back 59

Mach tape as Mach changes

Front 60

What is the range of the IAS tape on the Mach-A/S indicator?

Back 60

50-600 Knots

Front 61

During self test of the Mach-A/S indicator, the mach and indicated A/S tapes drive to what?

Back 61

0.92 Mach and 225 knots respectively.

Front 62

If you have the Barometric counter set to 29.92 during a self test of the ALT-vertical spees indicator, The ALT display should slew to how many feet?

Back 62

50,000 ft.

Front 63

The tape capacity of the DFDR system is how long?

Back 63

25 hours.

Front 64

Which DFDR system unit samples aircraft system data converts it into digital form?

Back 64

Acquisition.

Front 65

If a fault condition exists, the fault indicators on the front of the flight data acquisiton unit are?

Back 65

solid white.

Front 66

Which caution/advisory warning lights indicate actuation and normal operation of aircraft equipment?

Back 66

Green

Front 67

The master caution light can be extinguished or reset by?

Back 67

depressing it momentarily

Front 68

At what altitudes is the ground proximity warning system active?

Back 68

50-2,450 feet.

Front 69

Which ground proximity warning system mode is always active when aircraft is between 50 and 2450 feet, regardless of aircraft configuration?

Back 69

Mode 1, excessive sink rate.

Front 70

Which is not an advantage of an active on-board collision system?

Back 70

Relies on local radar to generate transponder replies

Front 71

To represent increasing levels of urgency or threat, symbols generated by the traffic alert and collision avoidance system change how?

Back 71

Shape and color.

Front 72

Which is not a TCAS traffic advisory function?

Back 72

Provides reccomendations to the pilot for aircraft maneuvers.

Front 73

For how many aircraft maximum can the TCAS track and generate displays?

Back 73

30

Front 74

The absence of which intruder data speciffically prohibits the TCAS from issuing resolution advisories?

Back 74

Altitude.

Front 75

What is the purpose of mode-S TCAS function?

Back 75

Establish resoultion advisories based on the intruding aircraft's position.

Front 76

Which is not a resolution advisory?

Back 76

Change to current advisory.

Front 77

Which stall prevention system control panel test switch in the TEST position, the shaker can be activated by manually moving the

Back 77

AOA vane.

Front 78

The stall prevention computer produces a shaker signal if the aircraft AOA and the permissible AOA are what?

Back 78

equal

Front 79

The stall prevention computer produces a pusher signal if the aircraft AOA equals the permnissible AOA for how long?

Back 79

five seconds.