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B300 Course > 34 Navigation > Flashcards

34 Navigation Flashcards

1
Q

The static ports are routed and connected to what?

A

Rate of climb indicator, altimeter, airspeed indicator.

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2
Q

What should be done to the static system after it rains?

A

Drain the static system.

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3
Q

Impact pressure entering the pitot tube system is directed where?

A

Dual airspeed indicators by seperate tubing.

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4
Q

How does the pitot system drain?

A

The pitot tubes are the lowest point of the system so they naturally drain.

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5
Q

If you get erratic readings on the instruments or are concerned of a blockage what other means do you have for pitot static?

A

An alternate air source which is taken from the interior of the aft fuselage.

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6
Q

When are inspections required on the air data systems

A

Every 24 months or anytime removal of a static port has occurred or if damage to the RVSM area is observed.

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7
Q

How should inspections of the air data systems be carried out?

A

At ambient temperatures with aircraft weight on wheels.

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8
Q

What should be check on the air data system and transponder?

A

Accurate reading of the displayed altitude.

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9
Q

How large is the RVSM region on the aircraft?

A

Approx 24 x 24 inches surrounding the static ports.

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10
Q

How must repairs be carried out in the RVSM region?

A

All repairs must be carried out internally of the structure.

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11
Q

What does the air data system consist of?

A

2 x ADC-3000 Systems

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12
Q

What inputs are there for the ADC-3000

A

Pitot & Static pneumatic inputs, air temperature and inputs from the integrated avionics processor IAPS.

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13
Q

Where does the ADC-3000 send its information?

A

Attitude heading computers AHC, Integrated avionics processors IAPS, PFD’s and MFD’s.

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14
Q

What does the Attitude Heading System consist of?

A

2x AHC-3000’s (Attitude Heading Computers), 2x FDU-3000 Flux Detector Units & 2x ECU-3000 External Compensation Units.

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15
Q

What is the function of the 2 flux detector units?

A

Provide accurate magnetic flux measurements to the AHC for use in computing accurate airplane heading.

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16
Q

What are the 2 modes of heading function?

A

Magnetic slaved mode & Directional gyro mode.

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17
Q

Explain the slaved mode.

A

Heading computations slaved to the flux detector units, primary heading mode in normal ops.

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18
Q

Explain the DG mode.

A

FDU is not used to slave. AHC performs like a directional gyro.

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19
Q

What are the slew push buttons used for?

A

Used to periodically correct drift, right or left.

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20
Q

What is the purpose of the external compensation units ECU’s?

A

Provide electrical compensation for any flux detector errors caused by the airplane altering the earths magnetic field.

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21
Q

What does the Electronic standby instrument system used for? ESIS GH-3100

A

Provides a visual display of attitude and slip/skid information computer from its internal 3 axis inertial sensor.

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22
Q

Where does the ESIS get its air data information from?

A

Pitot static system inputs.

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23
Q

If the ESIS system is removed from the aircraft what is left behind?

A

DCM-3100 config module is left behind attached by a chain to the wiring harness.

24
Q

What is the function of the Magnetometer MAG 3000A and where is it installed?

A

It is a 3 axis magnetic sensor that senses magnetic fields and then send this information in a digital format to the ESIS. it is located in the tail cone.

25
Q

How is the ESIS powered and what happens in the event of power loss to the aircraft?

A

The left generator bus provides power to the standby battery bus, if loss of power the batteries in the ESIS will take over.

26
Q

What does the NAV-4000 Consist of?

A

VOR/ILS and the ADF Function. The VIR-4000 Navigation Receiver is a fully integrated
VOR/LOC, Glideslope, Marker Beacon and ADF Receiver

27
Q

Explain the RTA-852 Weather Radar Receiver/Transmitter.

A

Solid state X-Band radar system that shows in color upto 250 nautical miles, it is a one piece unit located in the nose of the aircraft.

28
Q

What are the hazard distances of the Weather Radar?

A

2 feet, however a 15 foot arc should be flagged when testing.

29
Q

What distances does the Radio Altimeter ALT-4000 provide?

A

Height above terrain from 2500 feet to touchdown, Used by flight guidance system and electronic flight system.

30
Q

How does the Radio altimeter receive information?

A

The antenna beams a signal down to the terrain which bounces back to the antenna. the time it takes to make the round trip is how it is measured,

31
Q

How does the TCAS1 system operate and where is this information displayed?

A

Interrogates ATC transponders in nearby aircraft to display potential collisions. it is projected on the MFD.

32
Q

What is the purpose of the TCAS2 system?

A

To provide a protected airspace around the aircraft.

33
Q

What mode type transponders does the TCAS2 system interrogate?

A

Mode C and Mode S

34
Q

What will the TCAS2 system do when it senses a potential collison.

A

It will alert the pilot to climb, descend or maintain altitude.

35
Q

Where is the EGPWS computer loacted?

A

In the nose shelf.

36
Q

Where is the EGPWS config module located and how is it used?

A

Installed in the airplane wiring and is read by the EGPWS during power up.

37
Q

What is the purpose of the TAWS+ system?

A

To prevent controlled flight into terrain accidents as well as provide ground proximity warnings.

38
Q

Construction of the TAWS+ system?

A

Computer unit, Personality module + software, terrain database and obstacle database.

39
Q

Whats warnings does the TAWS+ system give you?

A

Terrain caution, pull up warning or avoid terrain warning.

40
Q

What 2 profiles does the TAWS+ compare? and what information do they provide?

A

Terrain environment using the GPS, Flight path used by flight path parameters to project the aircraft 2 minutes ahead of its current position.

41
Q

Where is the TAWS+ information displayed?

A

PFD’s

42
Q

What is the purpose of the aircraft personality module in relation to the TAWS+ system?

A

Storing aircraft specific configuration information. These are uploaded with operator callout selections during power up and upon request.

43
Q

What information does the TAWS+ self test provide?

A

Serial numbers, data base part numbers, airplane config settings, system status and system failures.

44
Q

What is the purpose of the GPS-4000 System?

A

To provide accurate worldwide navigation capabilities.

45
Q

What does the NAV-4000 System consist of?

A

The baseline system consists of 1 receiver and 1 antenna. you have the option to add an extra receiver.

46
Q

How does the GPS system function.

A

The antenna provides the receiver with radio frequency signals from the GPS sattelites, The antenna is an active receive only device operating within the L-Band freq of 1575.42 MHz

46
Q

How does the GPS system function.

A

The antenna provides the receiver with radio frequency signals from the GPS sattelites, The antenna is an active receive only device operating within the L-Band freq of 1575.42 MHz

47
Q

How does the GPS antenna operate?

A

Right hand circular polarisation and microscopy patch design.

48
Q

How does the GPS receiver operate?

A

processes gps signals from the antenna as-well as inputs from other airplane sensors to provide position, velocity and time outputs.

49
Q

How is GPS position data, date and time displayed?

A

In the colour GREEN, if data is flagged or missing it will be replaced with yellow dashes.

50
Q

Explain the DME-4000 system

A

3 Channel unit designed to provide position navigation information

51
Q

How does the DME system work.

A

By measuring the rate of closure and time to reach the destination between the aircraft and the selected ground station.

52
Q

What are DME channel assignments mostly paired with?

A

VOR and ILS facilities.

53
Q

How many channel assignments does the DME operate on?

A

252, each 1 MHz wide.

54
Q

What is the purpose of the maintenance diagnostic system?

A

To aid in detecting and troubleshooting airplane component problems.

55
Q

What does the Maintenance Diagnostic system consist of?

A

Maintenance diagnostic computer for hardware functionality and the Maintenance diagnostic table for data.

56
Q

How many antennas are there for the Radio Altimeter system and what are their purposes?

A

2 - One to transmit and receive signals.

B300 Course (37 decks)

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