Flight Instruments & Displays Flashcards by Ryan Martin

Data sources for primary flight instruments?

ADCs

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ADCs receive input from what 3 sources?

Pitot/Static
AOA
TAT Probe

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CA vs FO (ADC Sources)?

CA = Left ADC
FO = Right ADC

Only backup is reversion via ISS ADC button

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If a failure of all AC PWR occurs, which flight instruments will operate when on BATT PWR?

CENTER SEVEN:

MASTER WARN/CAUTION
Standby Instruments
CA RDMI
SEI

_{GEAR/FLAPS must be extended within 30mins}

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How are clocks powered?

HOT BATT BUS*

_{*main DC BUS PWR }_{req’d}_{ for upper display}

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EFIS instruments consist of?

(E)ADI + (E)HSI

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CA vs FO (EFIS SG sources)?

CA EFIS = L SG FO EFIS = R SG * C SG available to both as a backup

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CA vs FO (EFIS IRU sources)?

HDMI?

CA (E)HSI + (E)ADI = L IRU
FO (E)HSI + (E)ADI = R IRU
C IRU = SPARE via respective ISS
CA RDMI = R IRU
FO RDMI = L IRU

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SG (ILS + RA sources)?

L SG = L ILS + L RA R SG = R ILS + R RA C SG = C ILS + C RA

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ATT DISAGREE

3 degrees of pitch or roll difference between CA/FO

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Rising Runway visible at?

2500’ RA

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RA Display visible at?

2500’ RA

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DH alert resets when?

Press RESET switch - RA increases to DH +75 (Go-Around) - RA decreases to 0 (Land)

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EFIS Airspeed Tape Indicators?

F
- Maneuvering speed for existing flaps
Magenta Horizontal Lines
- MCP selected speed
Yellow Box
- MIN Maneuvering Speed (1.3g)
Red Ants
- MIN Operating Speed (Shaker Activation)

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PLI displayed?

Flaps out of UP

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Mach speed displays above what speed?

M .40

STBY ATT (ILS source)?

C ILS

STBY ATT (PWR source)?

STBY DC BUS

STBY IAS (PWR source)?

None.

Directly connected to CA’s pitot/static.

STBY ALTIMETER (PWR source)?

None.

Directly connected to alternate static ports.

When does FDR operate?

GND - After either engine start FLT - All the time

RDMI (IRU Sources)?

CA RDMI = R IRU
FO RDMI = L IRU

C IRU provides alternate heading signals.

Will (E)HSI and (E)ADI displays work without respective SG power?

NO. Displays are blank.

Primary purpose of FCC?

Provides data relating primarily to automatic flight for EFIS/FD

Source selector switches control what functionality?

DISPLAY SOURCES ONLY (ie, CA): * FLT DIR: Flight Control Computer * FMC: R FMC (CDU for DUAL FMC FAIL) * EFI: C SG (C ILS + C RA) * IRS: C IRS * ADC: R ADC

When will R FMC be selected as MASTER without manually selecting via NAV switch?

* R A/P in command * All A/P and the L FD are OFF and only R FD is ON

EFI Switch controls?

* SG data to respective EFIS * backup for either CA or FO is C SG * Both CA + FO are using C SG (EICAS MSG)

ISS: IRS Switch controls?

Selects respective CA or FO to C IRU in event of failure.

CDU (ALTN NAV Mode) Available FMC Information?

- PROG PG1 - LEGS * all waypoints must be entered as LAT/LONG* * active WPT is magnetic, subsequent are true as IRU only knows PPOS*

DUAL FMC FAIL available NAV equip?

* Autothrottles still active * NO LNAV * NO VNAV * HDG bug must be used ## Footnote *SRC Selector to CDU*

LT OVRD Switch turns on?

Overrides normal control and illumes the following at max brightness: * FWD Flood Lights * Illumed Indicator Lights * Glareshield Flood Lights * Aisle Stand Flood Lights * Dome Lights

VIDEO ON light?

Safety Demo playing. Do not interrupt. ^{not all A/C are equipped however}