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Frontier Training > ADIRS PANEL > Flashcards

ADIRS PANEL Flashcards

1
Q

ADIRS PANEL

Q:​ What does​ the​ ON​ BAT​ light indicate?​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

It is illuminated​ amber if one​ or more​ IR(s)​ is supplied by​ the​ aircraft battery.​ Also​ illuminates ​briefly during the​ beginning​ of​ a full alignment

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2
Q

ADIRS PANEL

Q:​ How long will​ each ADIRU stay​ on​ battery​ power​?

A

Ref: (FFT N216FR​ QRH -18) ​

ADIRS 2 and 3​ will remain on battery power for 5​ minutes​ to​ hold​ alignment until​ a​ generator ​can be​ restored.​ ADIRU​ 1​ (ADIRU​ 3​ if​ captain selected ATT​ HDG​ CAPT​ 3)​ will​ remain on battery​ ​power until​ generator power is​ restored or​ battery​ #2​ fails​.

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3
Q

ADIRS PANEL

Q:​ What information is provided by the​ “IR”​ units? ​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-10)

Mnemonic: “HAT​ GAAF”

H –​ Heading​ ​

A –​ Attitude ​

T –​ Track​ ​

G - Ground​ Speed​ ​

A –​ Acceleration ​

A –​ Airplane​ position ​

F –​ Flight path vector

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4
Q

ADIRS PANEL

Q:​ What information is provided by the​ “ADR” units?​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-10)

“BOATS”

B - Barometric altitude ​

O - Overspeed warnings ​

A –​ AOA​ ​

T –​ Temperatures ​

S - Speed/Mach

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5
Q

ADIRS PANEL

Q:​ What does​ a steady white​ ALIGN light indicate (older panel with keypad)?​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

The​ respective IR is​ in the​ Align mode.

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6
Q

ADIRS PANEL

Q: What are the​ indications on the​ E/WD​ when an IR is in ALIGN​ mode?​ ​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

Before​ any​ engine​ is​ started (displayed on​ E/WD):​ ​

  • ​IR IN ALIGN​ X MN memo appears​ in green when at​ least one​ active​ IRS​ is being​ aligned​ ​

When one engine is started​ (displayed on E/WD):​

  • IR IN ALIGN​ X MN memo appears​ in amber during IRS​ alignment​ ​
  • IR NOT​ ALIGNED​ is displayed as​ an​ ECAM Caution Message​ if​ the​ alignment of​ one​ IRS​ is​ faulty ​
  • IR IN ATT​ ALIGN appears​ in green during​ the​ IR alignment in Attitude​ Mode
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7
Q

ADIRS PANEL

Q:​ What does​ a flashing white align light mean​ (older​ panel​ with keypad)?​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

There​ are​ three reasons that the​ white​ align lights​ will​ flash:​ ​

  • There​ is​ no​ current position ​
  • The​ position is​ incorrect ​
  • The​ aircraft moved​ during alignment
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8
Q

ADIRS PANEL

Q:​ How is the​ crew alerted​ to the​ FMGS​ having​ no current position, an incorrect​ position or if the​ aircraft​ ​has moved during​ the​ alignment?

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

IR IN​ ALIGN X​ MN​ memo pulses in green​ on​ the​ E/WD​

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9
Q

ADIRS PANEL

Q:​ How do you fast align an​ IR?​ ​

A

Ref: (FOM VOL II,​ Section​ 5.25)​ ​

Select​ each ADIRS selector OFF​ and then back​ to NAV (one at a​ time) within​ 5 sec

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10
Q

ADIRS PANEL

Q:​ What does​ the​ IR pushbutton do on the​ newer ADIRS​ panel?​ ​

A

Ref: ((FOM​ VOL.​ III-DSC-34-NAV-10-20)​ ​

Inertial data​ output of the​ respective​ IR​ is disconnected​

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11
Q

ADIRS PANEL

Q:​ What does​ steady​ illumination of​ the​ amber IR FAULT​ light indicate?​ ​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

A fault​ affects the​ respective IR

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12
Q

ADIRS PANEL

Q:​ What does​ flashing illumination of​ the​ amber IR FAULT​ light indicate?​ ​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

Attitude​ and​ heading may be​ recovered in ATT​ mode​ (you have​ lost the navigation​ portion)

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13
Q

ADIRS PANEL

Q:​ What does​ the​ amber ADR FAULT​ light indicate?​ ​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

A fault​ is​ detected in the​ Air Data​ Reference​ portion​

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14
Q

ADIRS PANEL

Q:​ Does turning the​ IR Mode​ Rotary​ Switch to​ OFF also​ turn off​ the​ ADR?​ ​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

Yes

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15
Q

ADIRS PANEL

Q:​ Can you​ turn​ the​ ADR​ OFF​ and still​ have​ the​ IR?​ ​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20)​ ​

Yes

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16
Q

ADIRS PANEL

Q:​ When is a full​ alignment required/quick​ alignment of the​ ADIRU required?​ ​

A

Ref: (FOM VOL. II, Section​ 3.05) ​

A complete​ alignment must​ be accomplished in​ the​ following cases:​ ​

  • “GAG CCFI”
  • GPS coverage not available and NAVAID coverage poor
  • Alaska
  • GPS not available > 3 hours
  • Class II
  • Crew change
  • First flight
  • International
  • Before​ the​ first flight​ of the​ day;​ ​
  • When there is a crew​ change;​ ​
  • When GPS is​ not available​ and NAVAID​ coverage​ is poor on​ the​ expected​ route;​ ​
  • When GPS is​ not available​ and expected​ flight time​ exceeds​ 3​ hours;​ ​
  • All​ international and Alaska​ flights;​ ​
  • Flight in Class 2 airspace.​ ​​

On other flights,​ a fast​ alignment must be accomplished any​ time​ the​ difference​ between​ the​ ​IRS​ position and the​ FMGC position exceeds 5​ NM (see​ MCDU POSITION MONITOR page).

17
Q

ADIRS PANEL

Q:​ Describe​ the​ process​ for a​ full​ alignment of the​ ADIRU when the​ temperature​ is above 35 C.​ ​

A

Ref: (FOM VOL II,​ Section​ 5.40)​ ​

To perform​ a complete​ alignment with Flaps 1 and​ temp above 35C:​ ​

  • Confirm​ the​ aircraft​ area is​ clear​ with​ ground​ personnel​ prior​ to​ pressurizing​ the​ hydraulic ​system​ ​
  • Once​ the area is clear,​ turn the​ Y ELEC​ Pump ON​ ​
  • BLUE​ ELEC​ PUMP​ pb​ AUTO​ ​(should already be in AUTO)
  • BLUE​ PUMP​ OVRD​ pb​ to​ ON​ ​
  • Verify​ Hydraulic​ Pressure​ (on​ SD​ page)​ ​
  • Raise​ the flaps​ to​ 0​ ​
  • Y​ ELEC Pump OFF​ ​
  • BLUE PUMP​ OVRD pb OFF ​
  • Perform​ the complete​ ADIRS​ alignment​ ​
  • Confirm​ the​ aircraft​ area is​ clear with​ ground​ personnel prior​ to​ pressurizing​ the​ hydraulic ​system​ ​
  • Y ELEC​ Pump​ ON​ ​
  • BLUE PUMP OVRD pb ON
  • Return​ the​ flaps to 1​ if​ still​ in hot weather​ conditions​ ​
  • Y​ ELEC Pump OFF
  • BLUE PUMP OVRD pb OFF
18
Q

ADIRS PANEL

Q:​ What would be​ missing​ on the​ Captain’s​ PFD and ND if IR1​ failed​ or was​ turned​ OFF?​ ​

A

Ref: (FOM VOL. III-DSC-31-40) ​

Attitude​ and​ navigation information would be lost. ATT​ and HDG flags will​ be displayed​ on​ the ​PFD and MAP​ NOT​ AVAIL will be​ on​ the​ ND​.

19
Q

ADIRS PANEL

Q:​ What action would recover the​ attitude​ and navigation information if IR1​ failed or was​ turned off?​ ​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

Selecting CAPT 3​ on​ the EIS switching panel ATT/HDG​ selector

20
Q

ADIRS PANEL

Q:​ Describe​ a post flight ADIRU accuracy​ check? ​

A

Ref: (FOM VOL II,​ Section​ 3.20)​ ​

If​ the drift for​ any IR​ is >5nm,​ refer to​ the​ IRS​ performance​ chart located in FOM VOL​ II,​ Section ​3.20.

21
Q

ADIRS PANEL

Q:​ What would restore​ the​ lost altitude​ and​ airspeed information if ADR1​ failed or was​ turned off?​ ​

A

Ref: (FOM VOL. III-DSC-34-NAV-10-20) ​

Selecting CAPT 3​ on​ the EIS Switching Panel AIR DATA Selector​

Frontier Training (57 decks)

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