VX A320 Systems Exam Questions and
Answers 100% Solved | Latest Update
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
How long will each ADIRU stay on battery power? (FCOM-DSC-34-10-40) -
✔✔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
What information is provided by the "IR" units (FAT HAAG)? (FCOM-DSC-
34-10-10) - ✔✔F - Flight path vector
A - Airplane position
T - Track
H - Heading
A - Attitude
1
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,A - Acceleration
G - Ground Speed
What information is provided by the "ADR" units (BOATS)? (FCOM-DSC-
34-10-10) - ✔✔B - Barometric altitude
O - Overspeed warnings
A - AOA
T - Temperatures
S - Speed/Mach
What does a steady white ALIGN light indicate (older panel with keypad)?
(FCOM-DSC-34-10-20) - ✔✔The respective IR is in the Align mode
How does the ADIRS panel indicate that an IR is in ALIGN mode? (FCOM-
DSC-34-10-30) - ✔✔Before any engine is started (displayed on E/WD):
a. 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):
a. IR IN ALIGN X MN memo appears in amber during IRS alignment
2
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, b. IR NOT ALIGNED is displayed as an ECAM Caution Message if the
alignment of one IRS is faulty
c. IR IN ATT ALIGN appears in green during the IR alignment in Attitude
Mode
What does a flashing white align light mean (older panel with keypad)?
(FCOM-DSC-34-10-20) - ✔✔There are three reasons that the white align
lights will flash:
a. There is no current position
b. The position is incorrect
c. The aircraft moved during alignment
How is the crew alerted to the FMGS having no current position, an
incorrect position or if the aircraft has
moved during the alignment? (FCOM-DSC-34-10-20) - ✔✔IR IN ALIGN X
MN memo pulses in green on the E/WD
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
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Answers 100% Solved | Latest Update
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
How long will each ADIRU stay on battery power? (FCOM-DSC-34-10-40) -
✔✔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
What information is provided by the "IR" units (FAT HAAG)? (FCOM-DSC-
34-10-10) - ✔✔F - Flight path vector
A - Airplane position
T - Track
H - Heading
A - Attitude
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,A - Acceleration
G - Ground Speed
What information is provided by the "ADR" units (BOATS)? (FCOM-DSC-
34-10-10) - ✔✔B - Barometric altitude
O - Overspeed warnings
A - AOA
T - Temperatures
S - Speed/Mach
What does a steady white ALIGN light indicate (older panel with keypad)?
(FCOM-DSC-34-10-20) - ✔✔The respective IR is in the Align mode
How does the ADIRS panel indicate that an IR is in ALIGN mode? (FCOM-
DSC-34-10-30) - ✔✔Before any engine is started (displayed on E/WD):
a. 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):
a. IR IN ALIGN X MN memo appears in amber during IRS alignment
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, b. IR NOT ALIGNED is displayed as an ECAM Caution Message if the
alignment of one IRS is faulty
c. IR IN ATT ALIGN appears in green during the IR alignment in Attitude
Mode
What does a flashing white align light mean (older panel with keypad)?
(FCOM-DSC-34-10-20) - ✔✔There are three reasons that the white align
lights will flash:
a. There is no current position
b. The position is incorrect
c. The aircraft moved during alignment
How is the crew alerted to the FMGS having no current position, an
incorrect position or if the aircraft has
moved during the alignment? (FCOM-DSC-34-10-20) - ✔✔IR IN ALIGN X
MN memo pulses in green on the E/WD
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
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
