Flight Instruments Flashcards by Guy Halfpenny

How many ADS (Air Data Systems) are there?

ADS 1 - TAT 1, ADSP 1/2 and ADA 1 (Air Data Application)
ADS 2 - TAT 2, ADSP 3/4 and ADA 2
ADS 3 - TAT 1, ADSP 3/4 and ADA 3
ADS 4 - ADSP 3/4 and IESS (Integrated standby instrument)
ADS FCS - Sends data to the flight control system, ADSP 1/2

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ADSP and TAT probe sense and transmit what to the ADS?

Static pressure
Total pressure
AOA
TAT

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AoA is calculated based on what?

Interface between the static pressure of the smart probes

ADSP 1 - ADSP 2
ADSP 3 - ADSP 4

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TAT, TAS and SAT information are only valid above?

60 kts

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ADS 1 and ADS 2 feed what? What about ADS 3?

ADS 1 - Captain side
ADS 2 - FO side
ADS 3 - Backup

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If failure occurs is the ADS automatically reverted?

YES

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What is the ADS reversion logic for the Capt and FO?

Captain 1 - 3 - 2
FO 2 - 3 - 1

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What does the HSI button the display controller do?

Toggles between Full compass, Arc, or Map mode on PFD

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When the ADS reverts what do you get on the PFD?

Annunciation on PFD (only if non normal ADS)

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What does the WX button the display controller do?

Toggle Wx Radar info on HSI arc/map mode

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What does the FMS button the display controller do?

Select FMS as primary navigation source - toggles between FMS 1 /FMS 2

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What does the V/L button the display controller do?

Select VOR/LOC as primary navigation source - toggles between VOR/LOC1 and VOR/LOC2

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What does the PREV button the display controller do?

Previews VOR/LOC while FMS selected as navigation

1st press - onside VOR/LOC preview
2nd press - offside VOR/LOC preview
3rd press - disable preview

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What does the circle button the display controller do?

Circle (Cyan) toggles between (Captains are a bit of a hole)

VOR 1
ADF 1
FMS 1

If only 1 ADF installed, then only single ADF can be selected on both bearing pointers

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What does the Diamond button the display controller do?

Diamond (White) toggles between (FOs are diamond geezers)

VOR 2
ADF 2
FMS 2

If only 1 ADF installed, then only single ADF can be selected on both bearing pointers

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Colour of the HSI tells you what and what colours?

Colour of HSI reflects the navigation source

Magenta - FMS
Cyan - VOR/LOC preview
Green - VOR/LOC
Amber - cross-side navigation/FMS navigation source selected (one or both pilots)

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What do the colours on the speed tape mean?

Cyan - Manual speeds
Magenta - FMS Speeds

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What does the green dot on the speed tape show?

Slats/Flap retracted

Drift Down speed

Slats/Flap extended

the ideal slat/flap extension for current aircraft weight

Ensures 1.3g above stick shaker speed or 40 Deg AoB

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How long does the speed trend tell you?

10 seconds

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V-Speed bugs?

FS - Final Segment
F - Flap Retraction
2 - V2
AC - Approach Climb (Initial Go-around speed)
R - Rotate Speed (VR)
AP - Approach Speed (VAP)
RF - Reference Speed (VRF)
1 - V1

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Green dot will be removed in case of?

STALL PROT ICE FAIL
Loss of IAS
Loss of Slat/Flap position
Slat/Flap position disagreement

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Does green dot take into account ice accretion (STALL PROT ICE SPEED)

Yes but no longer takes into account speed brake actuation

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Low Speed annunciations on the speed tape are?

< or equal 1.13 VStall - > V Shaker - AMBER
< or equal to V Shaker - RED

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High speed annunciation’s on the speed tape are?

< Vmo - GREEN
Vmo + Trend into barber pole - AMBER
> Vmo - RED
Invalid Vmo - GREEN but no barber pole

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VSI limits are?

Pointer - +/- 4000fpm Digital display - +/-9900fpm

How long does the altitude trend last for?

6 seconds

Flight path angle (Green AC symbol) is displayed and valid when?

* The AC is in the air greater than 20 seconds and TO FD mode is inactive * There is an active FD mode other than TO mode * TCAS guidance is displayed on the PFD

Difference between the FPA symbol and Attitude indicator is what?

indicates AOA

Length of the speed error tape indicates difference between selected and current airspeed how? and limited to?

Down - the current Airspeed less than selected Up - current airspeed greater than selected +/- 15 kts 5 deg pitch

The green chevron on the FPA indicates?

Acceleration trend

What do the pitch limit indicators (PLI) show?

**Green - Normal Operating Range** * Airspeed < or equal to 1.2 (Vstall 1G) but >K (VStall 1G) **Amber - Cautionary Operating Range** * Amber PLI and LSA simultaneously displayed **Red - NO operation in this range** * Red PLI and LSA simultaneously displayed * Airspeed

HDG mis compare flag is more than?

6 Deg

RA flag on PFD means?

Radalt Fail OR difference > set value

Airspeed mis compare flag comes on?

>5 KIAS difference (both >100 KIAS)

ALT mis compare flag comes on when?

>200ft mis compare

Internal failures are coloured? Anything external?

Internal - RED External - AMBER (Still shows the scale but its crossed off, you don't lose the deviation scale)

RADALT Dual system installations?

PFD 1 displayed RADALT system 1 information PFD 2 displayed RADALT System 2 information

IESS is powered by? and when? How long for alignment? and the stipulation? What provides the Air Data?

DC ESS BUS When BATT 1 ON and BATT 2 AUTO Requires 90s alignment to complete (If airplane moved may cause errors not noticeable on the ground) ADS 4 (ADSP 3 and 4) provides air data

RADALT range of operations is?

-20 ft to 2500ft

For positioning and navigation the FMS uses?

* Standard navigation radio sensors * GPS * IRS

IRS 1 is on what side? IRS 2 is on what side?

IRS 1 - Capt IRS 2 - FO Can revert if required

How long does the IRS take to align?

up to 17 minutes AC MUST NOT BE MOVING - IRS EXCESSIVE MOTION message and aligning must be restarted

The primary source of navigation data for the FMS is?

GPS

GPS module computes? Predicative RAIM function calculates whether the satellite geometry is acceptable for approach at the expected destination at the estimated time of arrival at both destination and pilot selected alternate The FMS will not accept GPS location unless it can execute a RAIM test to ensure data integrity

* 3D position * Velocity * Time

What does the radio navigation system consist of?

* ADF * VOR * ILS * DME * XPDR

Radio Navigation equipment is located in the?

Modular Radio Cabinet (MRC)

Three means of tuning the radio navigation system? (Primary, secondary, backup)

Primary - MCDU Secondary - PFD and CCD Backup - BACKUP RADIO page on MCDU 2

Dual DME system installed, how many channels can it track? What does it provide?

4 channels * Slant Range * Groundspeed * Time to station * Station ID

DUAL Mode S XPDR installed where?

Modular Radio Cabinets (MRCs)

Modular Radio Cabinets contain?

VHF, XPDR, ADF

Audio control panel power sources are?

ACP 1 - DC ESS BUS 1 ACP 2 - DC ESS BUS 2 ACP 3 - DC BUS 1

CVR provides how many minutes of audio information?

120 minutes of audio information from cockpit area and primary crew microphones

Flight Data recorder provides how many hours of flight data?

25 hours

When does the audio and FDR start recording

Audio - Engine power up FDR - First Engine start

ACARS is to do with? CPDLC is to do with? What VHF does Datalink use?

ACARS - Company CPDLC - ATC VHF 3

CPDLC cannot be used when?

* One MCDU inoperative * Restricted to cruise flight phase (above FL200)

Weather radar power rating and range? X band 9375MHz (+/-25MHz)

10 KW - 300Nm

Weather radar does what angle of sweep what either side of nose? Using SECT function does what?

120 Deg, 60 deg either side of nose 60 deg total, 30 deg either side of nose faster sweep

Weather radar is controlled using the?

CCD and MFD

Weather radar has how many modes and functions?

5 modes, 10 functions

How do you know you're in slave mode on the weather radar?

S appears on the MFD

Rate occurrence symbols (White lightning symbol) and magenta lightning symbol mean?

**White lightning symbol:** Rate 1 - Single strike in last two minutes Rate 2 - Three strikes in last two minutes Rate 3 - Six or more strikes in last two minutes **Alert Symbol (Magenta lightning symbol):** Displayed for 5 seconds near outer range arc to provide bearing information (Lightning outside of range)

When is the IESS powered on?

When BATT 1 is selected ON and BATT 2 is selected to AUTO

The Vertical Track Alert (VTA) annunciates?

60 seconds prior to TOD or resuming a climb or descent from a constrained waypoint, or within 1000ft of capturing an altitude constraint

By what means is the FMS selected as the primary navigation source on the PFD?

The FMS button on the Display Controller panel

Bearing source pointer annunciations

CYAN (Circle) displayed the related VOR 1, ADF 1 or FMS 1, and WHITE (Diamond) VOR 2, ADF 2 or FMS 2

In addition to computing aircraft position, velocity and time, the GPS module also provides?

A RAIM test and Predictive RAIM for the destination and alternate (Pilot selected) waypoint

If a failure of ADS 1 or 2 occurs, the Captains or First Officers Instruments automatically revert to?

ADS 3

On the MFD Weather Status box, what does a white "S" annunciation indicate?

The weather radar is in SLAVE mode

How many modes and functions does the WX Radar have?

5 modes and 10 functions

The Radio Navigation system comprises of?

VOR, ILS, DME, XPDR, ADF

If the glideslope data is invalid, how is this represented on the Vertical Deviation Indication on the PFD?

Pointer removed and replaced by an AMBER cross

What is the heading mis compare threshold?

>6 Deg difference in heading

What is the secondary method of tuning the Radios?

CCD and PFD

An ILS/FMS Vertical Indication fail would be?

Vertical Deviation indication disappears and an AMBER cross displays

TAT, TAS and SAT information are only valid above?

above 60 kts

The Flight path acceleration pointer indicates?

Acceleration and deceleration rates along the flight path

Which Air Data Smart Probe supplies the IESS?

ADSP 3 and 4

Primary navigation source annunciation displays the selected navigation source as

GREEN: Onside V/L navigation source is selected AMBER: Cross-side navigation or cross-side FMS source is selected MAGENTA: FMA navigation source is selected

What does the altitude and speed trend vector indicate?

Where the aircraft will be in: Speed = 10 seconds, Altitude = 6 seconds

The Weather radar LX function is active. What does a magenta lighting strike symbol indicate?

An alert symbol to weather beyond the range of the selected map range with only bearing information

The DME is capable of tracking how many channels?

Green dot Slat/Flaps retracted gives? Slat/Flaps extended gives?

Retracted: Drift Down speed Extended: The ideal slat/flap extension for current aircraft weight

GPS how many receivers/antennas? how many channels? what is it the primary navigation source for?

2 reciever/antenna and 12 tracking channels FMS

FMS interfaces with?

* GPS * IRS * PFD * MFD * VOR/DME * MCDU