CH09 A330 ENG Flashcards
ENG_01
Understand the control functions and indications on the APU panel.
1. MASTER SW
ON/R - Selecting the switch on results in the following:
- The ______ ___/__ light illuminates.
- The _______ page is displayed on the ________ DU, if ___ ______ is available.
- The APU computer performs its ______-__ ______.
- ________ is supplied to the APU.
- The APU is ready to start when the ______ ______ is fully open.
- Off (lights out) - Selecting the MASTER SW off while the APU is running initiates the ______ ______ process and extinguishes the ______ ___/__ light.
FAULT - Illuminates amber when an APU fault causes an ______ ______
VOL. II, 49.3.3
ENG_01
Understand the control functions and indications on the APU panel.
1. MASTER SW
ON/R - Selecting the switch on results in the following:
- The blue ON/R light illuminates.
- The APU page is displayed on the lower DU, if AC power is available.
- The APU computer performs its power-up test.
- Fuel is supplied to the APU.
- The APU is ready to start when the intake flap is fully open.
- Off (lights out) - Selecting the MASTER SW off while the APU is running initiates the shut down process and extinguishes the blue ON/R light.
FAULT - Illuminates amber when an APU fault causes an automatic shutdown.
VOL. II, 49.3.3
ENG_01
Understand the control functions and indications on the APU panel.
2. APU START Pb
- ON - Illuminates ________ and the APU computer sequences the starter, fuel flow, and ignition to start the APU.
- AVAIL - Displayed in ________, replaces ________ when the ________ sequence is complete and the APU is available to supply ______ ______ or ______ ______.
VOL. II, 49.3.3
ENG_01
Understand the control functions and indications on the APU panel.
2. APU START Pb
- ON - Illuminates blue and the APU computer sequences the starter, fuel flow, and ignition to start the APU.
- AVAIL - Displayed in green, replaces ON when the start sequence is complete and the APU is available to supply bleed air or electrical power.
VOL. II, 49.3.3
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
1. APU GEN Line
- The ________ arrow from the APU GEN represents the APU generator line contactor.
- It is only displayed when the APU generator is ________ aircraft electrical power.
- White - APU generator is ___ __ ___.
- APU MASTER is ________
- APU GEN pb is ________
- or ________ power sources are supplying AC busses.
- Green - APU generator is ________ one or more AC busses.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
1. APU GEN Line
- The green arrow from the APU GEN represents the APU generator line contactor.
- It is only displayed when the APU generator is supplying aircraft electrical power.
- White - APU generator is not in use.
- APU MASTER is OFF
- APU GEN pb is OFF
- or OTHER power sources are supplying AC busses.
- Green - APU generator is supplying one or more AC busses.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
2. APU GEN
The APU generator parameters depicted are:
- Generator ________, in ________
- ________
- ________
For additional information on generator indications see Electrical chapter.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
2. APU GEN
The APU generator parameters depicted are:
- Generator load, in percent
- Voltage
- Frequency
For additional information on generator indications see Electrical chapter.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
3. APU N Speed
- N speed is displayed in ________ while in the normal operating range.
- It is displayed in ______ when the rpm limitation is exceeded.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
3. APU N Speed
- N speed is displayed in green while in the normal operating range.
- It is displayed in red when the rpm limitation is exceeded.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
4. APU EGT
- The APU temperature in degrees Celsius is displayed in green while in the ___________ operating range.
- The temperature is displayed in _____ when a temperature limitation is exceeded.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
4. APU EGT
- The APU temperature in degrees Celsius is displayed in green while in the normal operating range.
- The temperature is displayed in red when a temperature limitation is exceeded.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
5. AVAIL
- The AVAIL message is displayed when the ___ __ speed is sufficient for ____ ____ or ______ use.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
5. AVAIL
- The AVAIL message is displayed when the APU N speed is sufficient for bleed air or electrical use.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
6. APU Bleed Valve
- The symbol indicates the APU bleed valve position:
- In line and green - Valve ________
- Cross line and green - Valve ________
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
6. APU Bleed Valve
- The symbol indicates the APU bleed valve position:
- In line and green - Valve open
- Cross line and green - Valve closed
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
7. APU Bleed
- The APU bleed air pressure is displayed in _______._
- The pressure indication is replaced by amber Xs when ______ ___ is not available or is selected ______.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
7. APU Bleed
- The APU bleed air pressure is displayed in green.
- The pressure indication is replaced by amber Xs when ADIRU 1 is not available or is selected OFF.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
8. FUEL LO PR
- FUEL LO PR displays in ________ if APU low fuel pressure occurs.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
8. FUEL LO PR
- FUEL LO PR displays in amber if APU low fuel pressure occurs.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
9. FLAP OPEN
- FLAP OPEN displays ________ when the APU ____ ______ ______ is fully open.
- The message pulses, in ________, if the APU intake flap ____ ______ ______ following a shutdown.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
9. FLAP OPEN
- FLAP OPEN displays green when the APU air intake flap is fully open.
- The message pulses, in green, if the APU intake flap fails to close following a shutdown.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
10. LOW OIL LEVEL
- The LOW OIL LEVEL message ________, in ________, as an ________ in case of APU low oil quantity.
VOL. II, 49.3.2.1
ENG_02
Discuss normal and abnormal indications on the ECAM APU page.
10. LOW OIL LEVEL
- The LOW OIL LEVEL message pulses, in green, as an advisory in case of APU low oil quantity.
VOL. II, 49.3.2.1
ENG_03
Discuss the meaning of the ECAM memos as they relate to APU system.
APU AVAIL
- Displayed in ________ when the APU is available for bleed air or electrical use.
APU BLEED
- Displayed in ________ when APU ______ ______ is being used.
VOL. II, 49.2.4
ENG_03
Discuss the meaning of the ECAM memos as they relate to APU system.
APU AVAIL
- Displayed in green when the APU is available for bleed air or electrical use.
APU BLEED
- Displayed in green when APU bleed air is being used.
VOL. II, 49.2.4
ENG_04
State the purpose of the APU.
- The Auxiliary Power Unit (APU) is a self-contained gas turbine engine that produces bleed air for:
- ______ ______, ______ ______, and other ________ system users.
- and ________power.
- The APU generator produces the same electrical output as an engine generator, but does not require an IDG as it is a ______ ______ ______.
VOL. II, 49.1.1
ENG_04
State the purpose of the APU.
- The Auxiliary Power Unit (APU) is a self-contained gas turbine engine that produces bleed air for:
- starting engines, air conditioning, and other pneumatic system users.
- and electrical power.
- The APU generator produces the same electrical output as an engine generator, but does not require an IDG as it is a constant speed turbine.
VOL. II, 49.1.1
ENG_05
Recall what power is required for an APU start and continuous operation:
- To start the APU:
- ___ __ and ____ __ or
- _____ power must be available to power the APU ________.
- Once the APU is running:
- ___ __ and ____ __,
- or the APU _____ may be selected ______ without causing an APU _____\_
- However, if the APU GEN is the only power source, APU ______. ______ is not available with BAT 1 and 2 OFF.
VOL. II, 49.2.1.6
ENG_05
Recall what power is required for an APU start and continuous operation:
- To start the APU:
- BAT 1 and BAT 2 or
- AC power must be available to power the APU computer.
- Once the APU is running:
- BAT 1, BAT 2,
- or the APU BAT may be selected OFF without causing an APU shutdown.
- However, if the APU GEN is the only power source, APU fire protection is not available with BAT 1 and 2 OFF.
VOL. II, 49.2.1.6
ENG_06
Describe how an emergency shutdown of the APU may be initiated.
An emergency shutdown of the APU may be initiated either manually or automatically.
A manual emergency shutdown of the APU is initiated by:
- The flight crew pushing the ______ ______ pb on the overhead panel.
- The ground crew pushing the ______ _____ _____ pb on the ________ power panel (located __ of the ______ ______).
- The ground crew pushing an ____ ______ ____ ______ pb on either of the two ______ panels.
V2 49.2.3.3
ENG_06
Describe how an emergency shutdown of the APU may be initiated.
An emergency shutdown of the APU may be initiated either manually or automatically.
A manual emergency shutdown of the APU is initiated by:
- The flight crew pushing the APU FIRE pb on the overhead panel.
- The ground crew pushing the APU SHUT OFF pb on the external power panel (located aft of the nose gear).
- The ground crew pushing an APU EMERGENCY SHUT DOWN pb on either of the two refueling panels.
V2 49.2.3.3
ENG_06
Describe how an automatic emergency shutdown of the APU may be initiated.
The APU ________ will initiate an automatic emergency shutdown of the APU in the event of an APU _______ on the ground.
The APU fire extinguisher is ________ discharged;
- the warning horn sounds in the ______ ______ bay to alert ground personnel,
- and the ______ ______ APU fire indications are presented.
- This feature permits APU ground operation without ________
V2 49.2.3.3
ENG_06
Describe how an automatic emergency shutdown of the APU may be initiated.
The APU computer will initiate an automatic emergency shutdown of the APU in the event of an APU fire on the ground.
The APU fire extinguisher is automatically discharged;
- the warning horn sounds in the nose gear bay to alert ground personnel,
- and the flight deck APU fire indications are presented.
- This feature permits APU ground operation without supervision.
V2 49.2.3.3
ENG_07
Understand the control functions and indications on the ENG MASTER and ENG panels.
1. Engine Master Switches
ON - Initiates a ________ of the respective engine and all of the following occur:
- The ______ fuel valve opens.
- During a manual start the ____ fuel valve also opens.
- The ________ valve opens and ____ increases.
- A ________ background is displayed behind the respective engine’s ____ indication.
- Fuel used is ______ to ______ for the engine being started.
- (manual start only) Both ________ are activated immediately.
- For an automatic start, ignition is initiated at ___%_ (PW) or ___%_ (GE) N2.
OFF -______ ______ the respective engine. The ____ and ____ fuel valves close.
VOL. II, 72.3.3-6
ENG_07
Understand the control functions and indications on the ENG MASTER and ENG panels.
ENG MASTER PANEL
1. Engine Master Switches
ON - Initiates a start of the respective engine and all of the following occur:
- The LP fuel valve opens.
- During a manual start the HP fuel valve also opens.
- The start valve opens and N2 increases.
- A grey background is displayed behind the respective engine’s N2 indication.
- Fuel used is reset to zero for the engine being started.
- (manual start only) Both igniters are activated immediately.
- For an automatic start, ignition is initiated at 20% (PW) or 15% (GE) N2.
OFF - Shuts down the respective engine. The LP and HP fuel valves close.
VOL. II, 72.3.3-6
ENG_07
Understand the control functions and indications on the ENG MASTER and ENG panels.
ENG MASTER PANEL
2. FIRE/FAULT Lights
- FIRE - Illuminates ______ if fire is detected in the respective engine ______ area.
- FAULT - Illuminates ________ if either of the following occur:
- An automatic start ________
- A disagreement between the __ ______ valve position and its commanded position
VOL. II, 72.3.3-6
ENG_07
Understand the control functions and indications on the ENG MASTER and ENG panels.
ENG MASTER PANEL
2. FIRE/FAULT Lights
- FIRE - Illuminates RED if fire is detected in the respective engine cowl area.
- FAULT - Illuminates amber if either of the following occur:
- An automatic start abort
- A disagreement between the HP fuel valve position and its commanded position
VOL. II, 72.3.3-6