ATA 28: Fuel (DONE) Flashcards
If the total Fuel on Board quantity indication is displayed in a partial amber box this indicates that:
a) The fuel quantity indication for a tank is degraded.
b) The fuel in a tank is partially unusable.
c) The fuel in a tank is unusable.
b) The fuel in a tank is partially unusable.
During normal operations, if a main pump fails, the standby pump:
(a) must be selected ON
(b) runs automatically
(c) arms, ready for a second main pump failure
(b) runs automatically
Refueling should not be carried out:
a) If a fire or engine overheat is displayed.
b) Within 100 ft of another aircraft which is also being refueled.
c) When there are passengers on the aircraft.
a) If a fire or engine overheat is displayed.
The Trim Tank Transfer system controls the aircraft’s CG by allowing fuel to:
a) transfer forward or aft
b) forward transfer only
c) aft transfer only
a) transfer forward or aft
Trim Tank Transfer automatic CG control:
a) ends when FMGS time to destination is less than 90 mins
b) begins at takeoff when TOGA is selected
c) ends at descent to FL245
c) ends at descent to FL245
The FAULT light on the OUTR TK XFR pb illuminates to indicate that the:
a) inner tank low level is reached and outer tank is not empty
b) outer tank low level is reached and inner tank is full
c) inner and outer tanks are empty
a) inner tank low level is reached and outer tank is not empty
When the fuel system crossfeed valve is commanded to open:
a) The ON light and OPEN light illuminate when the valve has moved from closed position
b) The ON light illuminates and the OPEN light will illuminate when the valve has fully opened
c) The ON light will illuminate amber if the open light has not illuminated after 3 seconds
b) The ON light illuminates and the OPEN light will illuminate when the valve has fully opened.
When the Mode Selector is in AUTO and the centre tank becomes empty:
a) Manually select the pumps OFF
b) The pumps automatically stop after 5 minutes
c) Both centre tank pumps stop and both inner tank inlet valves close.
c) Both centre tank pumps stop and both inner tank inlet valves close.
During ground operations, how is the APU supplied with fuel?
a) Fuel is drawn from the LH Inner tank at all times.
b) If the Trim Tank contains fuel, or it is being refueled, the Aft pump supplies fuel from the Trim tank.
c) Fuel is drawn from the Trim Pipe during refueling and for the first 2 minutes of APU operation.
c) Fuel is drawn from the Trim Pipe during refueling and for the first 2 minutes of APU operation.
How would a functional check of the left wing SBY pump be conducted?
a. Ensure the Inner tank quantity is above 1,000 kg, check Main pumps are selected ON, then select the STBY pushbutton to ON, check positive pump pressure on the FUEL page
b. With the main and standby pumps selected ON and, no PUMP LO PR message displayed, open the crossfeed valve. This creates a momentary pressure drop within the fuel delivery system and the standby pump operates.
c. Ensure the Inner tank quantity is above 1,000 kg, check Main pumps are selected OFF, then select the STBY push button to ON, check positive pump pressure on the FUEL page.
c. Ensure the Inner tank quantity is above 1,000 kg, check main pumps are selected OFF, then select the STBY pb to ON, check positive pump pressure on the FUEL page.
(can’t have the main pumps running, otherwise they will override)
What is the fuel feed sequence in normal operations?
Fuel is always fed to the engines from the inner tanks. The sequence is as follows:
- Each inner tank empties down to 4000kg
- Trim tank fuel transfers to the inner tanks
- Each inner tank empties down to 3500kg
- Outer tank fuel transfers to the inner tanks
It always must end up in the inner.
Trim to inner, outer to inner.
Understand the control functions and indications on the FUEL and FUEL split panels.
FUEL PANEL
Main Pump pb
- ON (lights out) - The pump is ______.
- OFF - The pump is selected ______.
- FAULT - Pump output pressure ______.
- The FAULT light is inhibited with the pb selected ______.
Understand the control functions and indications on the FUEL and FUEL split panels.
FUEL PANEL
Main Pump pb
- ON (lights out) - The pump is operating.
- OFF - The pump is selected OFF.
- FAULT - Pump output pressure drops.
- The FAULT light is inhibited with the pb selected OFF.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
STBY Pump pb
- ON (lights out) - The pump operates when one of the associated _______ pumps has _______ or is selected _______.
- OFF - The pump is selected _______
- FAULT - Pump output pressure _______.
- The FAULT light is inhibited with the pb selected _______, or
- If the associated main pumps are _______ (i.e. the standby pump is normally _______ in this condition).
Understand the control functions and indications on the FUEL and FUEL Split panels..
FUEL PANEL
** STBY Pump pb**
- ON (lights out) - The pump operates when the one of the associated main pumps is failed or selected OFF.
- OFF - The pump is selected OFF
- FAULT - Pump output pressure drops.
- The FAULT light is inhibited with the pb selected OFF,
- or if the associated main pumps are running (i.e. the standby pump is normally OFF in this condition).
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
WING X FEED pb
- AUTO (lights out) - The crossfeed valve automatically opens in the ______ ______ configuration.
- ON - The crossfeed valve is selected ______.
- OPEN light - Illuminates ______ when the crossfeed valve is fully open.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
WING X FEED pb
- AUTO (lights out) - The crossfeed valve automatically opens in the emergency electrical configuration.
- ON - The crossfeed valve is selected OPEN.
- OPEN light - Illuminates GREEN when the crossfeed valve is fully open.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
T TANK MODE pb
- AUTO - The FCMC (FUEL CONTROL & MONITORING COMPUTER) controls the ______
- FWD - Initiates a manual ______ transfer by opening:
- The ______ tank ______ valve.
- The ______ forward transfer valve.
- And by closing the trim ______ isolation valve and the ______ transfer valves.
- Operating the trim tank ______ transfer pump.
- FAULT - The FAULT light illuminates for any of the following reasons:
- The FMGEC detects an excessive ___ ___ (based on the ______ position).
- The FCMC is unable to carry out a ______ transfer.
- A ______ warning has been triggered.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
4.TANK MODE pb
- AUTO - The FCMC (FUEL CONTROL & MONITORING COMPUTER) controls the CG.
- FWD - Selecting the pb in, initiates a manual forward transfer by opening:
* Opening the trim tank isolation valve and
* The aux forward transfer valve.
* Any by closing the trim line isolation valve and aft transfer valves.
* Operating the trim tank forward transfer pump. - FAULT - The FAULT light illuminates for any of the following reasons:
- The FMGEC detects an excessive aft CG (based on the THS position).
- The FCMC is unable to carry out a forward transfer.
- A FUEL LO TEMP warning has been triggered.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
T TANK FEED Switch (Trim Tank Feed)
- AUTO - The FCMC (or the T TANK MODE pb) controls the transfer between the trim tank and the ______ tank.
- Forward transfers are stopped before the trim line is ______
- ISOL - The transfer line is isolated by stopping the trim tank ______ ______ pump and closing:
- The trim tank ______ valve.
- The trim line ______ valve.
The trim tank ______ valve.
The aux ______ transfer valve.
- OPEN - The valves used for a manual ______ transfer (see T TANK MODE pb above), plus the _____ ____ inlet valve open.
Note: The APU cannot operate when the ______ ______ is drained of fuel.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
T TANK FEED Switch (Trim Tank Feed)_
- AUTO - The FCMC (or the T TANK MODE pb) controls the transfer between the trim tank and the center tank.
- Forward transfers are stopped before the trim line is drained
- ISOL - The transfer line is isolated by stopping the trim tank forward transfer pump and closing:
- The trim tank isolation valve.
- The trim line isolation valve.
The trim tank inlet valve.
The aux forward transfer valve.
- OPEN - The valves used for a manual forward transfer (see T TANK MODE pb above), plus the trim tank inlet valve open.
Note: The APU cannot operate when the trim line is drained of fuel.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
OUTR TK XFR pb
- AUTO - The FCMC controls the ______ to ______ tank transfer.
- ON - Initiates the outer to inner tank transfer by opening the:
- Outer ______ valves.
- Outer ______ valves.
- Inner ______ valves.
- FAULT - The FAULT light illuminates for any of the following reasons:
- The inner tank ______ level is reached and the outer tank is not ______
- The FCMC is unable to carry out the transfer to the ______ tanks.
- A FUEL _________ warning has been triggered.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
OUTR TK XFR pb
- AUTO - The FCMC controls the outer to inner tank transfer.
- ON - Initiates the outer to inner tank transfer by opening the:
- Outer transfer valves.
- Outer inlet valves.
- Inner inlet valves.
- FAULT - The FAULT light illuminates for any of the following reasons:
- The inner tank low level is reached and the outer tank is not empty.
- The FCMC is unable to carry out the transfer to the inner tanks.
- A FUEL LO TEMP warning has been triggered.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
CTR TANK Fuel Pump pb
- ON (lights out) - The center tank pump runs when there is fuel in the ______ tank and automatically stops when the ______ tank is empty.
- OFF - The pump is selected ________
- FAULT - The FAULT light and associated ECAM illuminates when the center tank pumps need to be shutoff for any of the following reasons:
- The ______ ______ pressure is low.
- The ______ ______ line isolation valve is failed open.
- A manual transfer from the center tank is required and both inner tank quantities are above ______ kg.
- One or more outer or inner inlet valves is failed ______ and both inner tank quantities are above ______ kg.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
CTR TANK Fuel Pump pb
- On (lights out) - The center tank pump runs when there is fuel in the center tank and automatically stops when the center tank is empty.
- OFF - The pump is selected OFF
- FAULT - The FAULT light and associated ECAM illuminates when the center tank pumps need to be shutoff for any of the following reasons:
- The pump output pressure is low.
- The trim line isolation valve is failed open.
- A manual transfer from the center tank is required and both inner tank quantities are above 17,000 kg.
- One or more outer or inner inlet valves is failed open and both inner tank quantities are above 17,000 kg.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
CTR TANK XFR pb
- AUTO - The FCMC controls the ______ to ______ tank transfer.
- MAN - Initiates a center to inner tank transfer, by commanding the inner tank ______ valves open. To avoid tank overflow, the ______ ______ ______ may be selected off.
- FAULT - The FAULT light illuminates when either of the following conditions occur, indicating that a center to inner transfer should have taken place but has not.
- The inner tank ______ level is reached and the center tank is not ______.
- The ______ is unable to carry out the transfer to the inner tanks.
Understand the control functions and indications on the FUEL and FUEL Split panels.
FUEL PANEL
CTR TANK XFR pb
- AUTO - The FCMC controls the center to inner tank transfer.
- MAN - Initiates a center to inner tank transfer, by commanding the inner tank inlet valves open. To avoid an overflow, the centre tank pumps may be selected off.
- FAULT - The FAULT light illuminates when either of the following conditions occur, indicating that a center to inner transfer should have taken place but has not.
- The inner tank low level is reached and the center tank is not empty.
- The FCMC is unable to carry out the transfer to the inner tanks.
FUEL SPLIT PANEL
INR TK SPLIT Pbs
- ON (pb selected in) - The valve ______ and the inner tank is split into ______ ______.
- fuel may be used from _______ tank division.
- Off - The inner tank split valve is ______ [______ position].
- SHUT - Illuminates when the inner tank split valve is ______.
FUEL SPLIT PANEL
INR TK SPLIT pb
- ON (pb selected in) - The valve closes and the inner tank is split into two parts. Fuel may be used from either inner tank division.
- Off - The inner tank split valve is open (normal position).
- SHUT - Illuminates when the inner tank split valve is closed.
Discuss normal and abnormal indications on the ECAM FUEL page.
Engine Number
Indicates the engine number and status:
- ______ colour - Engine is running.
- ______ colour - Engine is not running.
Discuss normal and abnormal indications on the ECAM FUEL page.
Engine Number
Indicates the engine number and status:
- White colour - Engine is running.
- Amber colour - Engine is not running.
Discuss normal and abnormal indications on the ECAM FUEL page.
Fuel Used Indication per engine
- Indicates the fuel used for each engine, normally ______ in colour.
- Value crossed with amber bars - Fuel flow ______ system has failed. A ______ calculated value is considered inaccurate.
- Values are reset to ______ at engine start.
Discuss normal and abnormal indications on the ECAM FUEL page.
Fuel Used Indication per engine
- Indicates the fuel used for each engine, normally GREEN in colour.
- Value crossed with amber bars - Fuel flow detection system has failed. A FADEC calculated value is considered inaccurate.
- Values are reset to zero at engine start.
Discuss normal and abnormal indications on the ECAM FUEL page.
Total Fuel Used Indication
- Indicates the ______ fuel used, normally green.
- Value crossed with amber bars - Total fuel used value is considered inaccurate due to status of at least one engine ______ ______ value.
- Value is reset to ______ at engine start.
Discuss normal and abnormal indications on the ECAM FUEL page.
Total Fuel Used Indication
- Indicates the total fuel used, normally green.
- Value crossed with amber bars - Total fuel used value is considered inaccurate due to status of at least one engine fuel used value.
- Value is reset to zero at engine start.
Discuss normal and abnormal indications on the ECAM FUEL page.
X FEED Valve
Diagonal line amber - Valve is in ______.
Indicates the position of the cross feed valve.
- Cross-line green - Valve is ______.
- Cross-line amber - Valve is ______ ______.
- In-line green - Valve is ______.
- In-line amber - Valve is jammed ______.
- Diagonal line amber - Valve is in ______.
Discuss normal and abnormal indications on the ECAM FUEL page.
X FEED Valve
Diagonal line amber - Valve is in transit.Indicates the position of the cross feed valve.
- Cross-line green - Valve is closed.
- Cross-line amber - Valve is abnormally closed.
- In-line green - Valve is open.
- In-line amber - Valve is jammed open.
- Diagonal line amber - Valve is in transit.
Discuss normal and abnormal indications on the ECAM FUEL page.
Fuel Quantity Indications
- Normally displayed in ______.
- Last two digits crossed with amber bars - Indication considered ______
______ box around fuel value - fuel in the tank is ______ (______ and ______ tanks only).
- ______ ______ box around fuel value of ______ tank if fuel below ______ kg is unusable.
- Becomes amber (inner tank) in case of:
- ______
- ______
- In the case of an imbalance of more than ______ kg between the ______ and ______ wing tanks, the fuel quantity pulses.
Discuss normal and abnormal indications on the ECAM FUEL page.
Fuel Quantity Indications
- Normally displayed in GREEN
- Last two digits crossed with amber bars - Indication considered inaccurate.
Amber box around fuel value - Fuel in the tank is unusable (trim and outer tanks only).
Partial amber box around fuel value of center tank if fuel below 15,000 kg is unusable.
- Becomes amber (inner tank) in case of:
- Over flow.
- Low level
- In the case of an imbalance of more than 3,000 kg between the left and right wing tanks, the fuel quantity pulses.
Discuss normal and abnormal indications on the ECAM FUEL page.
Collector Cell Fuel Quantity Indication
- Collector cell quantity is included in the ______ tank quantity display.
- Last two digits crossed with ______ ______ - indication considered ______.
Discuss normal and abnormal indications on the ECAM FUEL page.
Collector Cell Fuel Quantity Indication
- Displays the quantity of fuel in each collector cell.
- Collector cell quantity is included in the inner tank quantity display.
- Last two digits crossed with amber bars - Indication considered inaccurate.
Discuss normal and abnormal indications on the ECAM FUEL page.
Fuel on Board Indication
- Partial box around FOB indication - Some fuel is ______
- Refer to tank with ______ or _______ indication.
- Last two digits crossed with amber bars - Indication considered ______
Discuss normal and abnormal indications on the ECAM FUEL page.
Fuel on Board Indication
- Partial box around FOB indication - Some fuel is unusable.
- Refer to tank with box or half box indication.
- Last two digits crossed with amber bars - Indication considered inaccurate.
Discuss normal and abnormal indications on the ECAM FUEL page.
Trim Tank Fuel Valves Indication
Indicates the combined condition of the trim tank isolation valve and the trim tank inlet valve.
- In-line green - one valve is ________.
- In-line amber - one valve is ________ open.
- Cross-line green - both valves are ________.
- Cross-line amber - both valves are ________ closed.
Discuss normal and abnormal indications on the ECAM FUEL page.
Trim Tank Fuel Valves Indication
Indicates the combined condition of the trim tank isolation valve and the trim tank inlet valve.
- In-line green - one valve is open.
- In-line amber - one valve is abnormally open.
- Cross-line green - both valves are closed.
- Cross-line amber - Both valves are abnormally closed.
Discuss normal and abnormal indications on the ECAM FUEL page.
APU LP Valve Indication
- “APU” white + arrow white: valve is ______.
- “APU” white + arrow green: fuel is ______ to the APU.
- “APU” amber + arrow amber: valve has ______ ______.
- “APU” amber: valve has ______ ______.
Discuss normal and abnormal indications on the ECAM FUEL page.
APU LP Valve Indication
- “APU” white + arrow white: valve is closed.
- “APU” white + arrow green: fuel is provided to the APU.
- “APU” amber + arrow amber: valve has failed open.
- “APU” amber: valve has failed closed.
Discuss normal and abnormal indications on the ECAM FUEL page.
Gross Weight Indication
Displays the aircraft gross weight as computed by either the ______ (primary) or the ______ (backup).
- Last two digits crossed with amber bars - Indication considered ______
- Displayed as blue dashes when the gross weight is ____ ______
Discuss normal and abnormal indications on the ECAM FUEL page.
Gross Weight Indication
Displays the aircraft gross weight as computed by either the FCMC (primary) or the FMGEC (backup).
- Last two digits crossed with amber bars - Indication considered inaccurate.
- Displayed as blue dashes when the gross weight is not computed.
Discuss normal and abnormal indications on the ECAM FUEL page.
Center of Gravity
Displays the aircraft center of gravity as computed by either the _________ (primary) or the ________ (backup).
- Displayed in red - The FMGEC has detected an excessive ________ CG.
- Displayed as ______ ______ when the CG is not ______ .
Discuss normal and abnormal indications on the ECAM FUEL page.
Center of Gravity
Displays the aircraft center of gravity as computed by either the FCMC (primary) or the FMGEC (backup).
- Displayed in red - The FMGEC has detected an excessive aft CG.
- Displayed as **blue dashes ** when the CG is not computed.
Discuss normal and abnormal indications on the ECAM FUEL page.
Engine Feed Pumps
- In-line green - Pump is __________.
- In-line amber - Pump is abnormally ________._
- Cross-line amber - Pump is _____________.
- LO - Pump is on and output pressure is ________._
Discuss normal and abnormal indications on the ECAM FUEL page.
Engine Feed Pumps
- In-line green - Pump is running.
- In-line amber - Pump is abnormally running.
- Cross-line amber - Pump is not running.
- LO - Pump is on and output pressure is low.
Discuss normal and abnormal indications on the ECAM FUEL page.
Centre and Standby Pumps
The center and standby pumps can display the following additional indications:
* Cross-line green - Pump _______ _______ (normally).
* Cross-line amber - Pump _______ _______ (abnormally).
Discuss normal and abnormal indications on the ECAM FUEL page.
Centre and Standby Pumps
The center and standby pumps can display the following additional indications:
- Cross-line green - Pump not running (normally).
- Cross-line amber - Pump not running (abnormally).
Discuss normal and abnormal indications on the ECAM FUEL page.
Transfer Indications
Transfer indications for:
- outer to inner
- center to inner,
- trim to center,
- trim to inner,
Arrows indicate the direction and condition of transfer and the receiving tank.
- No arrow - _____ transfer
- Open green arrow - ______ transfer
- Solid green arrow - ______ transfer
- Solid amber arrow - ______ transfer (______ or ______ for trim).
Discuss normal and abnormal indications on the ECAM FUEL page.
Transfer Indications
Transfer indications for:
- outer to inner
- center to inner,
- trim to center,
- trim to inner,
Arrows indicate the direction and condition of transfer and the receiving tank.
- No arrow - No transfer.
- Open green arrow - Automatic transfer
- Solid green arrow - Manual transfer
- Solid amber arrow - Abnormal transfer (fwd or aft for trim).
Discuss the gravity feed capabilities from the different fuel tanks.
INNER
All of the fuel in the wing tanks can be ______ ______ to the engines if necessary
Discuss the gravity feed capabilities from the different fuel tanks.
INNER
All of the fuel in the wing tanks can be gravity fed to the engines if necessary
Discuss the gravity feed capabilities from the different fuel tanks.
OUTER
Outer transfer valves, ____ in each wing, allow fuel to gravity feed from each outer tanks to its respective ______ tank.
They are normally controlled ______ but may be ______ selected open.
Discuss the gravity feed capabilities from the different fuel tanks.
OUTER
Outer transfer valves, one in each wing, allow fuel to gravity feed from each outer tanks to its respective inner tank.
They are normally controlled automatically but may be manually selected open.
Recall the normal trim tank transferring - start conditions.
AFT
In-flight, the ______ only starts an AFT fuel transfer when all of the following conditions are met:
* ______ ______ is retracted.
* ______ are retracted
* ______ ______ is not full.
* Aircraft is above ______
- Normally only ______ aft transfer per flight is accomplished. Unless:
* ______ CG is > target + ___%.
* Trim tank quantity is below ______ kg.
Fuel for aft transfer is provided by:
* The ______ tank pumps if it contains fuel, or
* By the ______ tanks if the center tank is empty.
Recall the normal trim tank transferring - start conditions.
AFT
In-flight, the FCMC only starts an AFT fuel transfer when all of the following conditions are met:
* landing *gear** is retracted.
* slats are retracted
* trim tank is not full.
* Aircraft is above FL250
- Normally only one aft transfer per flight is accomplished. Unless:
* Cruise CG is > target + 2%.
* Trim tank quantity is below 3,000 kg.
Fuel for aft transfer is provided by:
* The centre tank pumps if it contains fuel, or
* By the inner tanks if the center tank is empty.
Recall the normal trim tank transferring - stop conditions.
AFT
To perform the aft transfer the FCMC opens the ______ ______ isolation valve, which allows fuel from the fueling manifold to flow to the trim tank.
The aft transfer automatically stops when:
- The actual CG is equal to target minus ______%, or
- The ______ tank high level sensor becomes ______, or
- The ______ tank’s quantity decreases to ______ kg, or
- The ______ ______ pb is set to ______, or
- A ______ or ______ to ______ tank transfer is taking place.
- ______ aft transfers are not possible.
Recall the normal trim tank transferring - stop conditions.
AFT
To perform the aft transfer the FCMC opens the trim line isolation valve, which allows fuel from the fueling manifold to flow to the trim tank.
The aft transfer automatically stops when:
- The actual CG is equal to target minus 0.5%.
- The trim tank is full.
- The inner tank’s quantity decreases to 6,250 kg.
- The T TANK MODE pb is set to FWD.
- A center or outer to inner tank transfer is taking place.
- Manual aft transfers are not possible.
Recall the normal trim tank transferring process.
FWD
The ______ sends a forward fuel transfer signal when fuel the following condtions are met:
- Calculated CG = ______. (Forward fuel transfer stops from the computed CG equals target minus ______%.)
- The fuel contents of one of the two inner tanks decreases to ______ kg.
- Forward fuel transfer stops when the fuel content reaches ______kg.
- The FMGES Sends a time to destinations signal below the threshold (______ mins or ______ mins if ______ ______ has failed or the aircraft is in below ______.
- ______ is initiated.
- In an ____________ configuration.
Recall the normal trim tank transferring process.
FWD
- Calculated CG = target. (Forward fuel transfer stops from the computed CG equals target minus 0.5%.)
- The fuel contents of one of the two inner tanks decreases to 4,000_ kg.
- Forward fuel transfer stops when the fuel content reaches 5,000 kg.
- The FMGES sends a time to destinations signal below the threshold (35 mins or 75 mins if the transfer pump has failed) or the aircraft is in below FL245.
- Jettison is initiated.
- In an electrical emergency configuration.
