NAV Flashcards by Khanh Nguyen

How many NAV system does A/C have

ADIRS
GPS
Stanby instrument
Radio Nav
Radio altimeter

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How many ADIRS does a/c have ?

three

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What is the component of ADIRS ?

ADR
IR
4 type of sensors
8 ADMs (air data module)

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What infor does ADRs supply ?

Barometric altitude, airspeed, Mach, angle of attack, temp, and overspeed warnings.

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What infor does IRs supply ?

Attitude, flight path vector, track, heading, accerleration, angular rate, ground speed and a/c position.

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What are 4 type sensor of ADR ?

Pitot
Static
AOA
TAT

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How many pitot tube does a/c have ?

3
* one for capt
* one for F/O
* one stby

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how many static probe does a/c have ?

6
* 2 for capt
* 2 for F/O
* 2 stby

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How many AOA sensor does a/c have ?

3
* one for capt
* one for F/O
* one stby

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How many TAT probe does a/c have ?

2
* one for capt
* one for F/O

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What are the input for each ADR ?

ADR 1 is supplied by Capt probe
ADR 2 is supplied by F/O probe
ADR 3 is supplied by STBY probe and Capt TAT

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When does ON BAT light up ?

Come on for few second at begining of complete IRS alignment.

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Does ON BAT light up in case of fast alignment ?

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How do you know at least one ADIRU is being supplied by battery ?

External horn sound
ADIRU and AVNCS lights come on amber on EXTERNAL POWER panel

EXTERNAL POWER panel locate under the nose gear bay

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IRs pb

FAULT light flashes ?

Attitude and heading can recover in ATT mode

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IRs pb

FAULT light steady ?

IR is lost

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IRs pb

ALIGN light steady ?

IR is operating normally in align mode

IRs pb

ALIGN light flash ?

IR alignment fault
No present position entry after 10 min
Position at shut down and position entered difference exceed 1° of lat or long

What happen when BUSS activate ?

BUSS replace normal speed
GPS altitude replace barometric altitude scale

What infor does BUSS base on ?

AOA and slat/flap configuration

Can you revert back to normal after activate BUSS ?

When will BUSS activate ?

all ADR off

What is DBUS ?

Same as BUSS but can be reversible

What caution should be take during using DBUS ?

Do not use MACH target mode

What is GPS ?

GPS is a satelite-based radio navigation aid

How many GPS reciver does A/C have ?

What is the component of GPS receiver ?

GPS sensor unit (GPSSU) or Multi mode Receiver (MMR) | GPS 1 use MMR1/GPS 2 use MMR 2

What is the operarional priciple of GPS receiver ?

GPS receiver 1 supplies ADIRU 1/3, GPS receiver 2 supplies ADIRU 2 ## Footnote If ADIRU 2 failed, ADIRU 3 wil be supplied from GPS 2

# Radio nav How many tuning mode are available ?

* Automatic * Manual * Back up

# Rad nav What is auto tune ?

FMGS tune navaid automatically

# Rad nav What is manual tune ?

Crew use MCDU for tunning

# Rad nav What is back up tune ?

Crew use RMPs for tunning ## Footnote Capt RMP control VOR 1 and ADF 1 F/O RMP control VOR 2 and ADF 2 Either RMP control ILS

How many rad nav receiver does A/C have ?

VOR,DME,ILS,ADF,MLS,GLS each has 2 receiver

ILS supplies infor to which PFD and ND ?

ILS 1 supplies to PFD 1 and ND 2 ILS 2 supplies to PFD 2 and ND 1

Which rad nav system contain marker beacon system ?

VOR 1 receiver

How to engage rad nav back up mode on RMP ?

Press NAV key

Can you use NAV backup mode on RMP 3 ?

Do you have DME distance on PFD while using Nav backup mode ?

Which RMP receiver is powered during emer elec config ?

RMP 1

How many RA does a/c has ?

2 * one for F/O * one for Capt

Which system generate voice for RA ?

FWC