Navigation & Surveillance Flashcards
Q1 | ADIRS PANEL
What does the ON BAT light indicate?
[ FCOM-DSC-34-10-20 ]
- 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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Q2 | ADIRS PANEL
How long will each ADIRU stay on battery power?
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- 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
[ FCOM-DSC-34-10-40 ]
Q3 | ADIRS PANEL
What information is provided by the “IR” units?
(FAT HAAG)
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- F - Flight path vector
- A - Airplane position
- T - Track
- H - Heading
- A - Attitude
- A - Acceleration
- G - Ground Speed
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Q4 | ADIRS PANEL
What information is provided by the “ADR” units?
(BOATS)
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- B - Barometric altitude
- O - Overspeed warnings
- A - AOA
- T - Temperatures
- S - Speed/Mach
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Q5 | ADIRS PANEL
What does a steady white ALIGN light indicate?
(Older panel with keypad)
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The respective IR is in the Align mode
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Q6 | ADIRS PANEL
How does the ADIRS panel indicate that an IR is in ALIGN mode?
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-
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
[ FCOM-DSC-34-10-30 ]
Q7 | ADIRS PANEL
What does a flashing white align light mean?
(Older panel with keypad)
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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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Q8 | ADIRS PANEL
How is the crew alerted to the FMGS having no current position, an incorrect position or if the aircraft has moved during the alignment?
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IR IN ALIGN X MN memo pulses in green on the E/WD
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Q9 | ADIRS PANEL
How do you fast align an IR?
[ FCOM-PRO-SUP-34, FCOM-NOR-SOP-06 ]
Select each ADIRS selector OFF and then back to NAV (one at a time) within 5 sec
[ FCOM-PRO-SUP-34, FCOM-NOR-SOP-06 ]
Q10 | ADIRS PANEL
What does the IR pushbutton do on the newer AIDIRS panel?
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Inertial data output of the respective IR is disconnected
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Q11 | ADIRS PANEL
What does steady illumination of the amber IR FAULT light indicate?
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A fault affects the respective IR
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Q12 | ADIRS PANEL
What does flashing illumination of the amber IR FAULT light indicate?
[ FCOM-DSC-34-10-20 ]
Attitude and heading may be recovered in ATT mode (you have lost the navigation portion)
[ FCOM-DSC-34-10-20 ]
Q13 | ADIRS PANEL
What does the amber ADR FAULT light indicate?
[ FCOM-DSC-34-10-20 ]
A fault is detected in the Air Data Reference portion
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Q14 | ADIRS PANEL
Does turning the IR Mode Rotary Switch to OFF also turn off the ADR?
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Yes
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Q15 | ADIRS PANEL
Can you turn the ADR OFF and still have the IR?
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Yes
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