What are computers used in A321 related to landing gear and flight controls?

What are computers used in A321 related to  landing gear and flight controls?
by

1 Answer

Answer :

Landing gear related computers are
LGCIU – Landing Gear Control and Interface Unit BSCU – Brake and Steering Control Unit
ABCU – Alternate Braking Control Unit
Flight controls related computers are
ELAC – Elevator Aileron Control Computer SEC – Spoiler Elevator Computer
FAC – Flight Augmentation Computer
SFCC – Slat Flap Control Computer
FMGC – Flight Management and Guidance  Computer
FCDC – Flight Control Data Concentrators
by

Related questions

What are the initial and final torque values for A321 main landing gear wheels?

Description : What are the initial and final torque values for A321 main landing gear wheels?

Last Answer : The initial or bearing setting torque value for A321 main landing gear wheel is 310 ft.-lbs. and the final torque value is 160 ft.-lbs.

What is air pressure charge in hydraulic accumulators in A321?

Description : What is air pressure charge in hydraulic accumulators in A321?

Last Answer : The three system accumulators are pressurized with N2 to a pressure of 1950 psi. The brake accumulator is pressurized to 1200 psi pressure.

Tell me about IDG? Or How the IDG functions?

Description : Tell me about IDG? Or How the IDG functions?

Last Answer : IDG or Integrated Drive Generator is an AC generator integrated with a Constant Speed Drive or CSD. The CSD is driven by the Accessory Gear Box (AGB) which is in turn driven by the engine. Since engine speed varies

What is the range of fuelling?

Description : What is the range of fuelling?

Last Answer : A circular area of 6 meter radius from the fuelling point or fuelling nozzle is termed as the range of fuelling.

What is LRU? Mention some of the LRUs in engine and airframe?

Description : What is LRU? Mention some of the LRUs in engine and airframe?

Last Answer : LRU or Line Replaceable Unit is a complex unit of the aircraft which can be quickly and easily removed while the aircraft is at bay or ramp area. It is a sealed unit designed for quick ... Valve. Some of the LRUs in airframe are all communication and navigation antennas, black box etc.

What is flap asymmetry? What will be the action should there is a flap asymmetry?

Description : What is flap asymmetry? What will be the action should there is a flap asymmetry?

Last Answer : If flaps of left and right wing are moving at different speed or the inboard and outboard flap of the same wing are moving a different speeds, then one flap will travel to a higher ... take-off thrust. The full authority type EEC is called FADEC or Full Authority Digital Electronic Control.

What are the meanings of different colours of the annunciator lights in cockpit?

Description : What are the meanings of different colours of the annunciator lights in cockpit?

Last Answer : RED: It indicates a failure in the system that requires immediate attention and action of the crew. AMBER: It indicates a failure or malfunction of a system that requires crew awareness, ... operation of a back up system. BLUE: It indicates normal operation of a temporarily used system.

How APU is started?

Description : How APU is started?

Last Answer : To start the APU a. Put the BAT switches ON. b. Push the MASTER SWITCH. A blue light will illuminate. c. Wait until FLAP OPEN indication appears on the ECAM System Display. d. Once intake flap is open ... g. Push the EXT PWR switch to OFF. h. Put the APU BLEED ON, indicated by a blue light.

How will you drain the reservoir if it is overfilled?

Description : How will you drain the reservoir if it is overfilled?

Last Answer : To drain the excess amount of fluid filled, a drain port is provided at the bottom of the yellow and green reservoir. For blue system, a drain port is provided on the blue hydraulic panel.

What are the safety precautions will you take before re-filling the hydraulic reservoirs?

Description : What are the safety precautions will you take before re-filling the hydraulic reservoirs?

Last Answer : The safety precautions for servicing of hydraulic reservoirs can be stated as below: a. Hydraulic system depressurized. b. All slats and flaps are retracted. c. Thrust reverser is closed. d. Landing gear doors closed. e. Cargo doors closed.

What are the modules of this engine?

Description : What are the modules of this engine?

Last Answer : There are 5 modules in this engine. They are a. Fan b. Low Pressure (LP) compressor and intermediate case c. High Pressure (HP) system d. Low Pressure turbine e. Accessory Gearbox

What are the specification of this engine?

Description : What are the specification of this engine?

Last Answer : It is a two-spool high-bypass ratio engine having take-off thrust of 30,000 lbs. flat rated to approximately +30 degree Celsius. The engine has a single stage fan and 4 booster stages driven by 5 low pressure turbine and 10 high pressure compressor stages driven by 2 high pressure turbine.

What does each digit and character specifies?

Description : What does each digit and character specifies?

Last Answer : IAE stands for the manufacturer International Aero Engine. V25 designates that this engine comes under original V2500 series engines. 27 designates the rated sea-level thrust of the engine as ... to install on aircraft of Airbus Industrie. 5 designates the mechanical standard of the engine.

Which engine is installed in our (Indigo Airlines) aircraft?

Description : Which engine is installed in our (Indigo Airlines) aircraft?

Last Answer : IAE V2527-A5.

How APU provide constant electrical supply?

Description : How APU provide constant electrical supply?

Last Answer : Once acceleration phase of starting cycle is completed, the APU rpm is governed by fly weight mechanism. Any change in the rpm of the output shaft causes the force on the flyweight to change ... rpm. Thus the APU generator can supply electrical supply of constant frequency at 400 Hz 115 V.

In aircraft operation, the centre tank is used up before wing tanks? Why?

Description : In aircraft operation, the centre tank is used up before wing tanks? Why?

Last Answer : In normal operation, first fuel from the centre tank is used and then from wing inner fuel cell and at last from the wing outer cell. The centre tank is used first in order to obtain better ... the fuel can flow from wing to engine under gravity also which is not possible from the centre tank.

Up to what altitude APU can be operated?

Description : Up to what altitude APU can be operated?

Last Answer : APU can be operated up to around FL420. Up to around FL 250, the APU can provide electrical power of 90 kVA ampere rating as well as pneumatic power for air conditioning/pressurization and ... of providing pneumatic power and electrical power it provide drops to power rating of 66 kVA.

What is THS? Why is it used?

Description : What is THS? Why is it used?

Last Answer : THS or Trimmable Horizontal Stabilizer is actually a horizontal stabilizer, or tail plane as it is sometimes called, which can change its incidence angle in flight, automatically or manually to ... angle of attack of the entire horizontal stabilizer to maintain a correct angle of attack of the

How much torque would you apply to tighten the nut of brake assembly?

Description : How much torque would you apply to tighten the nut of brake assembly?

Last Answer : 150 ft.-lbs.

What are the solvents used in compressor wash?

Description : What are the solvents used in compressor wash?

Last Answer : In eco wash, pure demineralized water is used.

What is the difference between eco wash and compressor wash?

Description : What is the difference between eco wash and compressor wash?

Last Answer : Eco wash itself is basically a compressor wash. In early compressor wash, the water being used in compressor wash are discarded as it is expelled through the engine core exhaust. But in eco wash, ... its ecological balance and that is why this type of compressor wash is termed as eco wash.

What is eco wash?

Description : What is eco wash?

Last Answer : Eco wash is the name given to compressor wash being employed in now-a-days.

What are the electrical supply provided by the different supply sources of aircraft?

Description : What are the electrical supply provided by the different supply sources of aircraft?

Last Answer : The IDGs installed on each engine and the APU generator supply 115V 400 Hz 3 phase AC supply of 90 kVA. The emergency generator i.e. CSM/G supply 115 V 400 Hz 3 phase AC supply of 5 kVA ... supply connected to the aircraft should supply 115 V 400 Hz 3 phase AC supply of 90 kVA power rating.

What are the conditions that deploys the RAT?

Description : What are the conditions that deploys the RAT?

Last Answer : RAT is automatically deployed if it senses a. Both hydraulic system EDPs failed and loss of pressure b. Failure of both AC bus 1 and 2. c. Aircraft speed is above 100 knots.

How RAT provides hydraulic and electrical power? What is the electrical supply from CSMG?

Description : How RAT provides hydraulic and electrical power? What is the electrical supply from CSMG?

Last Answer : As RAT is deployed, its blades rotates at a high speed. The shaft is connected to a driving part of blue hydraulic system emergency pressure pump. Thus the blue hydraulic system is pressurized and ... the aircraft the emergency electrical supply of 115 V 400 Hz AC supply of 5 kVA rating.

What are the systems powered by RAT?

Description : What are the systems powered by RAT?

Last Answer : RAT powers the blue hydraulic system and provides basic electrical power through Constant Speed Motor/Generator (CSM/G).

What is RAT?

Description : What is RAT?

Last Answer : RAT or Ram Air Turbine is a small unit having to small aerofoil shaped blade installed in it. When it is deployed to the incoming airstream, the blades rotate at high speed providing emergency drive for the blue hydraulic system pressure pump.

Which hydraulic system supplies brake pressure?

Description : Which hydraulic system supplies brake pressure?

Last Answer : The green system pressurized the normal braking system while the yellow hydraulic system provides hydraulic pressure for alternate braking and parking brake.

How many times we can use the brake accumulator without the system pressurized?

Description : How many times we can use the brake accumulator without the system pressurized?

Last Answer : The brake accumulator is used to supply pressurized fluid for operation of parking brake. Without the yellow system pressurized, we can apply parking brakes for a maximum of 7 times.

Where is brake accumulator located?

Description : Where is brake accumulator located?

Last Answer : The brake accumulator is located on the right hand side of the aft frame of the main landing gear wheel well area.

What have you learnt in the last 6 months? (Where have you worked recently and what have you learnt?)

Description : What have you learnt in the last 6 months? (Where have you worked recently and what have you learnt?)

Last Answer : I have undergone apprenticeship in Air India recently. I have performed wheel change, IDG oil filter change, accumulator air pressure charging, hydraulic system servicing, compressor eco wash on Airbus A321.

Which of the two hydraulic systems, Yellow and Blue, is generally used on ground? Give your reasons for that.

Description : Which of the two hydraulic systems, Yellow and Blue, is generally used on ground? Give your reasons for that.

Last Answer : Normally the yellow hydraulic system used. Firstly because, if at any point, if we require the green system to be pressurized for operation of some component, we can pressurize it with the ... need yellow hydraulic system to be pressurized. Blue system is not available for cargo door operation.

If hydraulic power is required on ground, which hydraulic system can be used and why?

Description : If hydraulic power is required on ground, which hydraulic system can be used and why?

Last Answer : Both Yellow and Blue hydraulic system can be used. Because, only Yellow and Blue hydraulic systems are equipped with electric pump?

What does three green lights represents when the landing gear is selected down

Description : What does three green lights represents when the landing gear is selected down

Last Answer : B. The gear is down and locked.

What do three green lights represent when the landing gear is selected down? a. The gear is down b. The gear is down and locked c. The gear and doors are down and locked d. The gear is travelling between up and down

Description : What do three green lights represent when the landing gear is selected down? a. The gear is down b. The gear is down and locked c. The gear and doors are down and locked d. The gear is travelling between up and down

Last Answer : b. The gear is down and locked

A hand pump is usually fitted: a. For ground servicing purposes b. Lowering the landing gear in an emergency c. Pressurising the oleo struts in the air d. Retracting the gear after take-off

Description : A hand pump is usually fitted: a. For ground servicing purposes b. Lowering the landing gear in an emergency c. Pressurising the oleo struts in the air d. Retracting the gear after take-off

Last Answer : a. For ground servicing purposes

What do three green lights represent when the landing gear is selected down? a. The gear is down b. The gear is down and locked c. The gear and doors are down and locked d. The gear is travelling between up and down

Description : What do three green lights represent when the landing gear is selected down? a. The gear is down b. The gear is down and locked c. The gear and doors are down and locked d. The gear is travelling between up and down

Last Answer : b. The gear is down and locked

A hand pump is usually fitted: a. For ground servicing purposes b. Lowering the landing gear in an emergency c. Pressurising the oleo struts in the air d. Retracting the gear after take-off

Description : A hand pump is usually fitted: a. For ground servicing purposes b. Lowering the landing gear in an emergency c. Pressurising the oleo struts in the air d. Retracting the gear after take-off

Last Answer : a. For ground servicing purposes

To act as co-pilot for take-off or landing, you must have: a. Acted as PIC or co-pilot on type in the last 90 days b. Acted as PIC or co-pilot on type in the last 30 days c. Acted as PIC or co-pilot on type in the last 60 days d. Been at the controls for landing in the same type recently

Description : To act as co-pilot for take-off or landing, you must have: a. Acted as PIC or co-pilot on type in the last 90 days b. Acted as PIC or co-pilot on type in the last 30 days c. Acted as PIC or co-pilot on type in the last 60 days d. Been at the controls for landing in the same type recently

Last Answer : a. Acted as PIC or co-pilot on type in the last 90 days

Twenty years ago, a plane is flying at 20,000 feet over Germany. If you will recall, Germany at the time was politically divided into West Germany and East Germany. Anyway, during the flight, TWO of the engines fail. The pilot, realizing that the last remaining engine is also failing, decides on a crash landing procedure. Unfortunately the engine fails before he has time and the plane crashes smack in the middle of "no man's land" between East Germany and West Germany. Where would you bury the survivors - East Germany or West Germany or in "no man's land"?

Description : Twenty years ago, a plane is flying at 20,000 feet over Germany. If you will recall, Germany at the time was politically divided into West Germany and East Germany. Anyway, during the flight, TWO of the ... . Where would you bury the survivors - East Germany or West Germany or in "no man's land"?

Last Answer : Answer: You don't, of course, bury survivors. If you said, "Don't bury the survivors" then proceed to the next question.

What is the Total Elapsed Time on a VFR flight plan? a. From take-off to overhead destination b. From take-off to overhead destination + 15 mins c. From take-off to landing d. From taxi to arrival on the gate

Description : What is the Total Elapsed Time on a VFR flight plan? a. From take-off to overhead destination b. From take-off to overhead destination + 15 mins c. From take-off to landing d. From taxi to arrival on the gate

Last Answer : a. From take-off to overhead destination

You make a diversion from the route given in the flight plan and land at an uncontrolled airfield. Within what time after landing should you inform ATC? a. 10 mins b. 20 mins c. 30 mins d. 45 mins

Description : You make a diversion from the route given in the flight plan and land at an uncontrolled airfield. Within what time after landing should you inform ATC? a. 10 mins b. 20 mins c. 30 mins d. 45 mins

Last Answer : c. 30 mins

When do you not need a destination alternate aerodrome? a. If there is a reasonable certainty that at the ETA at the destination aerodrome and a reasonable time before and after you can expect VMC b. If the flight time is less than 6 hours c. If the flight time is less than 1 hour d. If your operator deems the weather to be suitable for a visual landing

Description : When do you not need a destination alternate aerodrome? a. If there is a reasonable certainty that at the ETA at the destination aerodrome and a reasonable time before and after you can expect VMC ... less than 1 hour d. If your operator deems the weather to be suitable for a visual landing

Last Answer : a. If there is a reasonable certainty that at the ETA at the destination aerodrome and a reasonable time before and after you can expect VMC

Refer to CAP697 MRJT1 Fig. 4.3.1 Given: Estimated zero fuel mass 50t; estimated landing mass at destination 52t; final reserve fuel 2t; alternate fuel 1t; flight to destination distance 720nm, true course 030, W/V 340/30; cruise: LRC, at FL330 outside air temperature -30C. Find estimated trip fuel and time. a. 4,800kg / 01hr 45min b. 4,400kg / 02hr 02min c. 4,750kg / 02hr 00min d. 4,600kg / 02hr 05min

Description : Refer to CAP697 MRJT1 Fig. 4.3.1 Given: Estimated zero fuel mass 50t; estimated landing mass at destination 52t; final reserve fuel 2t; alternate fuel 1t; flight to destination distance 720nm, true course 030, W/V ... b. 4,400kg / 02hr 02min c. 4,750kg / 02hr 00min d. 4,600kg / 02hr 05min

Last Answer : a. 4,800kg / 01hr 45min

What is the Total Elapsed Time on a VFR flight plan? a. From take-off to overhead destination b. From take-off to overhead destination + 15 mins c. From take-off to landing d. From taxi to arrival on the gate

Description : What is the Total Elapsed Time on a VFR flight plan? a. From take-off to overhead destination b. From take-off to overhead destination + 15 mins c. From take-off to landing d. From taxi to arrival on the gate

Last Answer : a. From take-off to overhead destination

You make a diversion from the route given in the flight plan and land at an uncontrolled airfield. Within what time after landing should you inform ATC? a. 10 mins b. 20 mins c. 30 mins d. 45 mins

Description : You make a diversion from the route given in the flight plan and land at an uncontrolled airfield. Within what time after landing should you inform ATC? a. 10 mins b. 20 mins c. 30 mins d. 45 mins

Last Answer : c. 30 mins

During a general briefing at the pre-flight stage, the captain should emphasize: a. The complete delegation of all duties b. The importance of crew coordination c. The priority of departing on schedule d. The avoidance of inadequate handling of controls

Description : During a general briefing at the pre-flight stage, the captain should emphasize: a. The complete delegation of all duties b. The importance of crew coordination c. The priority of departing on schedule d. The avoidance of inadequate handling of controls

Last Answer : b. The importance of crew coordination

The purpose of a trim tab is: a. To assist the pilot in initiating movement of the controls b. To zero the load on the pilot controls in the flight attitude required c. To provide feel to the controls at high speed d. To increase the effectiveness of the controls

Description : The purpose of a trim tab is: a. To assist the pilot in initiating movement of the controls b. To zero the load on the pilot controls in the flight attitude required c. To provide feel to the controls at high speed d. To increase the effectiveness of the controls

Last Answer : b. To zero the load on the pilot controls in the flight attitude required

During a general briefing at the pre-flight stage, the captain should emphasize: a. The complete delegation of all duties b. The importance of crew coordination c. The priority of departing on schedule d. The avoidance of inadequate handling of controls

Description : During a general briefing at the pre-flight stage, the captain should emphasize: a. The complete delegation of all duties b. The importance of crew coordination c. The priority of departing on schedule d. The avoidance of inadequate handling of controls

Last Answer : b. The importance of crew coordination

How do these two events relate to each other a. they are actually related because traffic slowdown caused the emergency landing B's.?

Description : How do these two events relate to each other a. they are actually related because traffic slowdown caused the emergency landing B's.?

Last Answer : B. They are correlated because the hot-air gallon and the traffic are related to travel.