Questions tagged [airbus-a320]

The Airbus A320 family is a series of twin-engine, single-aisle passenger jets produced from 1986-present. Different versions can typically carry from 107 to 220 passengers.

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2k views

Is $24.01 million for 15 used A320 reasonable?

A few hours ago the insolvent Austrian airline Niki was bought by the owner of British Airways, IAG for a whopping \$24.01 million (plus a further \$19.08 million to provide liquidity to the company). ...
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Where is the camera in the A320?

On the A320 family there are circuit breaker panels in the cabin between the exits. On the 2000VU panel there is a "camera" circuit breaker (C5 position): Top: Source -- Bottom: A320 CCOM p165 -- ...
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708 views

How does a flex takeoff increase fuel consumption compared to a TOGA takeoff?

I read this also in the FCTM green operating procedures that doing a flex takeoff increases fuel consumption as we have a longer takeoff phase
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How does flying at ECON computed speeds optimise fuel burn.? [closed]

I read in the FCTM GREEN OPERATING PROCUDURES that it’s recommended to fly at ECON computed speeds throughout the flight profile to optimise speed in accordance with the CI.
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1answer
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Could someone please explain why the A320 doesn’t have an anti ice system for its vertical and horizontal stabilisers? [duplicate]

I had come across in the FCOM that there is no anti ice system for the vertical and horizontal stabilisers while looking at the schematic diagram. I find it very strange that the other surfaces on the ...
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Could someone please explain what is thermal oxidation of the carbon brakes?

In my company SOP after landing we don’t switch on the brake fans immediately after the HOT annunciation comes on on the BRAKE FANS push button. Instead we are told to wait for a period of 5 mins ...
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1answer
842 views

What effect does tropopause entry have on the FMGC?

In my company it’s a procedure to enter the highest tropopause level into the INIT A page. Could someone please explain the effect it has.
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1answer
954 views

How does SLATS/FLAPS retraction damage the RTLU mechanical stop if we retract them after the ADIRS are set off?

From the A320 After landing FCOM NORMAL PROCEDURES: To avoid damage on the RTLU (Rudder Travel Limit Unit) mechanical stop, the SLATS/FLAPS should be retracted before all ADIRS are set to OFF ...
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For a 180 degree turn after takeoff, what is the normal turn radius for the A320 and 737? [duplicate]

I'm looking for some rule-of-thumb guidance on this matter. It relates to route 4, the westerly take off from London Gatwick (LGW).
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1answer
953 views

How does the Airbus ECAM / ND transfer work?

On the Airbus A320 a knob on the switching panel says ECAM/ND XFR (Electronic Centralized Aircraft Monitor / Navigation Display Tranfer) and it transfers the either the Engine/Warning Display (E/WD) ...
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747 views

Am I correct about what AC/DC BAT BUS does?

The purpose of the AC/DC BAT BUS is to distribute either A/C electrical power and D/C electrical to the things in the aircraft that need them. For example, I think he whole ECAM system and displays ...
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1answer
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Does SDAC display data for both the PFD, ND and the ECAM display?

On the Airbus A320 the System Data Acquisition Concentrators (SDAC) aquire system data, process it and sends system page data to the three Display Management Computers (DMC). The DMC process the data ...
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855 views

Why did the speed of this plane drop so much? [closed]

(Disclaimer: I know nothing about aviation. It is not even a hobby to me. I'm sorry if this question sounds obvious or silly to experts.) I was casually checking the arrival time of a flight on ...
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1answer
4k views

What will happen to the IDG disconnection mechanism if we press and hold it for more than 3 secs?

I read in the Elec systems chapter that if we press and hold the IDG pushbutton for more than 3 secs it’ll damage the disconnection mechanism. What exactly happens? Also it says that not to disconnect ...
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1answer
988 views

Why does the A-320 allow 1.3 degrees more left rudder trim than right?

On the a320, can someone explain why this is: AMM 27-22-00 PB 001 NOTE:The maximum admissible rudder trim limits indicated on the control panel when the aircraft is stabilized in heading with ...
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What is the voltage and amps on the transformer rectifier?

On the Airbus A320 ECAM electrical page there are two TR or transformer rectifier and they convert AC or alternating current electrical power into DC or direct current electrical power. But on the ...
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1answer
829 views

How does switching off pumps and putting on MAN switch resolve low pressure?

FUEL If the center tank is less than 200 kg (440 lb) for the flight: Apply the following procedure, if your airline is affected by FUEL CTR TK PUMPS LO PR cautions on ground or in flight when the ...
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Why are the center tank pumps deactivated when slats are extended on the A320?

Why are the center tank pumps deactivated when slats are extended on the A320? I researched about this and all I can see is hints. They say it is because of regulations or certifications.
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Is there a specific formula or way to calculate flex temperature for an Airbus A320?

I have hear of RTOW charts but I haven't seen any calculations with the runway length or slope. What is the formula or equation to finding flex temperature and V-Speeds?
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539 views

What does this A320 FCTM quote about cold weather and non-precision approaches mean? [closed]

Can someone explain this paragraph from the A320 FCTM about minimum temperatures for non-precision approaches? I can't understand it. COLD WEATHER OPERATIONS For all Non Precision Approaches, there ...
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1answer
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Why can the A320 VAPP be decreased down to VLS?

I read in the Airbus A320 FCTM (p349), normal procedures descent section: The flight crew can insert a lower VAPP in the MCDU PERF APPR, down to VLS, if landing is performed without A/THR, ...
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How does the flap configuration affect the tailstrike limit?

The configuration that provides the maximum FLEX temperature varies with the runway length. On short runways, CONF 3 usually provides the highest FLEX temperature, and the tail clearance at lift off ...
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762 views

Why would smoke enter the cabin if the batteries are switched off before the APU flap closes?

In the A320 FCOM SOPs securing if the APU flap doesn't fully close smoke may occur in the cabin in the next flight In the NORMAL PROCEDURES SECURING THE AIRCRAFT. It states that before switching off ...
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How is the emergency locator transmitter of the A320 fixed, activated and carried away?

I've some closely related questions about the emergency locator transmitter, ELT, the "distress beacon", on the Airbus A320. From this question about antennas on the A320: The ELT antenna seems ...
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Why are there different starter limitations for dry cranking and manual start on the A320?

I recently had this point clarified that when we place the mode selector to CRANK on the A320 we can dry crank the engine up to 5 mins. But the moment we place the mode selector to IGN/START then we ...
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1answer
424 views

What does runaway failure mean (position difference between APPU and FPPU) on A320?

I've been reading the description and operation of Flap systems. WTBs will stop and hold the transmission whenever SFCCs receive some failures.
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1answer
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What are the adverse effects of keeping the PACKs on the A320 running with the LP air conditioning unit connected?

I had come across this statement will reading the limitations chapter in the FCOM. But once again there is no reasoning given for it I have also read the air conditioning systems chapter but can't ...
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1answer
677 views

What will happen if we start the A320 engines but we don't wait for the amber crosses on the E/WD to disappear?

My logic is that we should wait for the sensors to register the present indications so we have a proper idea of what state the engine is in particularly the EGT if we have to consider a manual start.
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On the A320 why do we follow this particular sequence of taking flaps and gear?

First we take flaps 1 then 2 after that we lower the gear followed by flaps 3 and full. My thinking is that this will avoid any GPWS warning is that it or there is something else also to it.?
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On the A320, why is it not recommended to use the HP ground unit when the APU Bleed is on?

Can someone explain what the HP ground unit is used for? And what damage happens to the bleed system if it is used?
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What is the meaning of the triangular markings in the A320 cabin? [duplicate]

Travelling in a chartered A320 from Titan Airways. Does anyone know what these triangular markings mean? They can be seen on both sides of the cabin, a few rows before and after the emergency exits.
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1answer
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Why is it not recommended to hold the nose up on the A320 after touchdown?

I was recently told by a trainer in my airline that on the A320 if we hold the nose up after main gear touchdown then the flight control laws logic will memorise that pitch attitude after 5 seconds ...
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Why can't we use APU bleed air for wing anti ice on the A320?

The question says it all. While reading I came across this that we can under no circumstances use APU bleed air for supplying wing anti ice? Any reason?
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Is the A320 family allowed to take off with the flaps retracted?

Is it legal for the A320 family (A318, A319, A320 and A321) to take off without flaps? An answer to this question states that the A300 can take off without flaps. On the other hand, the 737 family of ...
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1answer
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What is this yellow section around the cockpit window?

Saw this while boarding the flight the other day, travelling between HYD (Hyderabad, India) to CCU (Calcutta, India) on Indigo Airlines. Aircraft was an Airbus A320. There was a yellow patch around ...
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1answer
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Why are brake temperature limitations lower when the brake fans are running?

In the A320 FCOM it is stated that if the brake fans are running prior to takeoff then the brake temperature must be below 150 degrees Celsius. But if the brake fans are off then our limitation is 300 ...
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1answer
673 views

What is this very distinct humming noise coming from the IAE-V2500 engines of the A320 during taxi?

So I am a huge fan of the A320, and in a less broader sense, the A320 with IAE-V2500 engines. Arguably the greatest engines in the industry with the greatest sound. However though, I've had a question ...
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What does this black triangle placard on board an A320 denote?

Just out of interest whilst travelling aboard a British Airways A320-232 G-MIDT on the 9.45 BA shuttle service (LGW-GLA) in seat 10F I noticed a placard above the window of seat 9F. Given this seat ...
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1answer
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Why is the A320 pre pressurised before take-off?

I know this question has been asked, but I still haven't understood the answer. In the A320 the cabin gets pre pressurised before takeoff as we apply takeoff thrust. What I don't understand is what is ...
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1answer
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A320: Why do SDACs supply all three DMCs?

On the Airbus A320, in the Electronic Instrument System (EIS), there are three Display Management Computers (DMCs): DMC1 supplies the upper ECAM DMC2 supplies the lower ECAM DMC3 is a backup. There ...
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1answer
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Why do some A320s have double-bogie landing gear?

I believe this is actually a rare sighting, but why do some A320s have double-bogie landing gear? Does Airbus have a specific reason for making such A320s?
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Would an A320 override the autothrottle due to an erroneous radio-altimeter?

The pilots of Turkish Airlines Flight 1951 had multiple issues with the auto-throttle setting itself to idle during approach: despite manually adding throttle, the plane stalled and crashed before ...
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What is the noise that the A320 makes on the ground? [duplicate]

I've noticed that planes in the A320 family make a sawing noise on reaching the gate. The link below may give you an idea of what I mean (although the A320 in the video is still taxiing). Is this a ...
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1answer
314 views

How should the pack flow knob be set on an Airbus A320? [duplicate]

On the Airbus A320 there is a pack flow knob and you can select LO(80%), NORM (100%), or HI(120%) according to the number of passengers and ambient conditions. Someone told me you select LO if there ...
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1answer
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What are the specific number of passengers and conditions required to select HI, NORM, or LOW on the pack flow knob?

On the Airbus A320 there is a pack flow knob and you can either select HI(120%), NORM (100%), or LO (80%). You choose which one according to the number of passengers and ambient conditions. Obviously ...
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How does Pack Flow work on the A320?

I am referring to an Airbus A320. I have heard of Pack Flow but I don't understand it. If you put it on High, does that mean that all the parts of the air conditioning system work faster and harder? ...
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3answers
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What are the climb rates during the different phases of flight of an A320?

I have read about common climb rates for an A320. It is said that the initial climb rate for an A320 is between 15-20° and it differs depending on the weight and also the altitude. I therefore have ...
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Is an Airbus A319 allowed to fly with a missing flap track fairing?

During a recent flight from Copenhagen to Milan in an Airbus A319, one of the flap track fairings were missing from the wing. I saw this during takeoff, and notified a flight attendent as soon as the "...
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1answer
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What is CAPT & PURS?

On the airbus A320 Evacuation Control Panel, what is CAPT & PURS. On some takeoffs it is selected and on other takeoffs it is not selected. What does this stand for and what is it? What does it do?...
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1answer
865 views

What exactly is a hot air pressure regulating valve, and what is its purpose?

Someone else has asked this question but the answer just says that it regulates the pressure of hot air, and I don't understand what that means. Does "hot air pressure" just mean "hot air"? So I've ...