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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Why is the layout of engine data different for CFM vs IAE engines on Airbuses? [duplicate]

I do a fair bit of simulated flying in consumer flight simulators (and have no real-world flying experience or formal education). Recently, I started putting hours into a supposedly study-level A319 ...
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What does it mean when autoland is fail passive / fail operational?

The below explanation is what I've got from the internet about fail passive and fail operational: Fail operational - Where you have 3 autopilots engaged, such that any single failure will result in ...
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How much unusable fuel is in the A320?

I was wondering how much unusable fuel is in each tank or maybe in total for an A320. I searched through the FCOM and could not find answers. To add to this question is the fuel shown on the fuel SD ...
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Why is there a drift value between the IRS position and the FMGC position present even after performing a full IRS alignment on the A320?

I have noticed this many times across my company's fleet of A320's that is even after a full IRS alignment has been completed many a times there is still a drift value present between the FMGC ...
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Why don't the noses have the same de-icing metal surface like that of the wing's leading edge, engines, tail, etc.?

For reference, let's take the A320. The nose is painted like the rest of the body. Image Source
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642 views

What does 1FD2 mean?

On the EFIS of Airbus you can see 1FD2 on the autopilot section of the FMA. what does it mean?
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128 views

Why does the APU Master Switch flash during a normal APU shutdown?

Hi all and Happy New Year!!! I have a question relating to APU shutdown procedures on Airbus A320. During normal APU shutdown sequences, I noticed that after around 1m20s, the FAULT legend on APU ...
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1answer
106 views

Why A320/330 use C* FBW control without speed stability?

The A320 and A330 family are FBW aircraft that use C* longitudinal control laws for longitudinal sidestick command tracking. In essence, stick neutral commands 1G flight. When stick is deflected ...
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How exactly is the Flight Path Vector ( aka bird ) affected by inertial errors?

In the A320 FCTM under the systems chapter it's mentioned that the bird is computed using IRS data and therefore is affected by inertial errors. As a result this can cause a +/- 2 degrees track error. ...
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691 views

What is this Airbus A320 passager seat part?

I'm on a Airbus A320 anyone have any idea what the black part on the back of the passager seat is used for?
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What does automatic pitch trim is available mean, when bank angle is below 33°?

I was reading about the bank angle protection mode in an A320. I have a few doubts about it. I know that if the bank angle exceeds 33 degrees then automatic pitch trim is not available and hence of ...
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What is the procedure for a fast landing that is too slow for go-around? [closed]

Say an aircraft (A320 or similar) on landing, hits the tarmac way too fast and on a short runway, less than V2 but around V1 or slightly over. This could happen if a pilot had recently moved from ...
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Why does the A320 have an anti skid system and how does it work? [duplicate]

Can somebody explain why do A320 aircraft have an anti skid system? What is its purpose? And a brief explanation on how it works.
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How do A320 pilots trim?

So, I am very familiar with the 737NG, and there is a trim switch on the yoke for vertical trim. However, I can't seem to locate this trim switch in the A320. Is there a trim switch on the joystick in ...
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What's that in front of the overhead panel?

There is that thing I have see a few pilot using it. it can be pulled outside and then inside. what's that and what's the use of it?
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What is the purpose of these “antennas” on the aileron and winglet (A320 Neo) [duplicate]

As title says, see attached picture:
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What is the specific consumption of an A320 at Mach 0.78 and 11,000 metre altitude? [duplicate]

I am currently doing a dissertation on an electric drive system on planes and I need help. I can't find the specific fuel burn rate for an Airbus A320; if anyone could help it would be great. Also a ...
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Why was the “Dispatch Reliability” of the A320 “low” during its first years?

I found the following Statement on the German Wikipedia page about the A320 family of aircrafts. Nach erheblichen Schwierigkeiten in den Anfangsjahren erreicht die A320-Familie mittlerweile eine ...
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Where is pure outside static air pressure indication on A320?

I'm looking for the indication of the outside static air pressure in the cockpit. Where is it located? One of the ECAM pages? Thanks!
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How much N1 difference between two engines are acceptable?

While I was flying with 10+ year Airbus 320, IAE engine with EPR, I saw a constant difference between N1 parameters around 2%. I checked the Engine Hours and Engine Cycles that they are almost the ...
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What is the range difference between LEAP and PW1000 powered A320 and A321 NEOs?

Mounted on the same aircraft, PW 1000G and CFM LEAP are two very different engines, with different performances, that should have an impact on range. And we know range is a very important aircraft ...
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1answer
250 views

Which engines do airliners start first?

I noticed many planes, especially Boeings (correct me if I'm wrong anywhere), start engine "2" first and shut down engine "2" last. However, I was watching an Airbus A350 cockpit video when I ...
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Where to find general A320 E&E Compartment Information?

I'm student in electrical engineering and write my thesis on some topic of the e&e compartment. The main focus is on the computers of the A320 flightcraft, actually called E&E Compartment. ...
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Can the overwing exit slide be used when ditching in an A320?

I want to ask if an overwing exit slide in an Airbus A320 can be opened at all when landing or ditching. Is the exit still usable? Or it is blocked and we have to move the passenger to another one? ...
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Why does A320 Main Wheel need to be tightened 3 times during installation?

I have another question related to maintenance practices. During replacing MLG wheel of A320, it is said that we need to tighten the wheel nut 3 times with different torque values. The first one has ...
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If we don't perform an ADIRS initialization as per SOP on the A320 what will happen in that case systems wise?

As part of the SOP in the FCOM of the A320 we have to perform an ADIRS initialization under the 4 condition as they have been listed and a fast alignment if the drift between IRS and FMGC position is ...
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Why do we have to check the speed brakes during GPWS memory items on an A320?

Just out of curiosity, I want to ask why do we have to check that the speed brakes lever is retracted during a GPWS (Ground Proximity Warning System) maneuver using the A320 memory items? It clearly ...
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What are the financial implications for Lufthansa (and other airlines) of keeping the back row of their A320neo free of passengers?

After the recent EASA airworthiness directive concerning the potential for weight and balance problems with the A320neo, Lufthansa announced it would no longer sell seats on the back row of those ...
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Why would there be airflow from the back of a TAT probe?

During walk-around checks, I occasionally find airflow coming out from the back of the TAT probes on the Airbus A320. I wonder if it's air to cool down the TATs as they are heated during flight for ...
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What is the white pattern on trim wheel for?

On a A320, there are white patterns spread regularly on the trim wheel (highlighted on the right of the picture). First I though it was to have visual feedback about THS (trimable horizontal plane) ...
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How does the power transfer unit in the A320 work? [duplicate]

As far as i know the function of a PTU is to power one hydraulic system (either green or yellow) that is experiencing low pressure driven by pressure from the other system which still has the normal ...
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What is the small openining on the bottom right of door 4R of an Airbus A321? [duplicate]

While observing taxiing A321 planes, I noticed that they had an open hatch-like opening on the bottom right of door 4R. I marked it here on a picture I found online. I could not locate it in the ...
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Why do we have to check that the fuel x feed is properly functioning before departing for an ETOPS flight on the A320?

In the A320 family series FCOM under the special operations procedure chapter it is mentioned that we have to check the fuel x feed on ground before departing. Any specific reason why we only check ...
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What are the maximum possible stabilizer and elevator deflections for the A320?

For research purposes I would like to know the maximum deflection angles (in both positive and negative direction) of the A320-200's stabilizer and elevator. I am trying to analyse what flight ...
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Why is IGN SYSTEM A FAULT dispatch a NO GO on the A320 for ETOPS?

In the A320 MEL if Ignition system A is under MEL the aircraft can't be dispatched for ETOPS. Why is it specifically restricted for ETOPS because even while conducting non ETOPS if we go into ...
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387 views

Why is FL398 the REC MAX altitude on the A320?

On the A320 PROG page and in our limitations the REC MAX/ MAX FL is listed as FL398. What is the reason behind this ?
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If ELAC 1 is under MEL why is it a NO GO item when carrying out EDTO on the A320?

In the MEL for the A320 it is mentioned that ELAC 1 is a NO GO if carrying out EDTO operations. Why is ELAC 1 specifically for EDTO? In that case shouldn't it be for non EDTO operations also. This ...
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What is more environmentally friendly? An A320 or a car?

Presuming the A320 is at least 80% full (of passengers) and comparing it to a typical road car with 2 people inside, which one is more environmentally friendly, per passenger mile? I have attempted ...
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1answer
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What is this square hole for? [duplicate]

When waiting to depart Edinburgh today I noticed a square hole (looked to be something that can be opened and closed) on the rear of the right side of the aircraft. Never seen it before and no idea ...
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What's inside the packs? (Airbus a320)

I have some questions about ATA 21, how packs works?... I mean, what's inside them?, what are their mechanims? And How the warm air becomes into cold air?. (On a airbus A320) I'm starting my major at ...
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What is the difference between low energy warning and alpha floor in A320?

I am always confused between both of these two. I know both signals low speed or high AOA
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What is the relation of AIR BLEED IN message with the pack system on an Airbus A320?

Before the power-up, if the pack switches are set to the ON position and the aircraft is powered up with the APU bleed off, is there a chance that the AIR BLEED IN maintenance message comes up on ...
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556 views

What’s the purpose of the small “hole” in front of wing root on A320-214?

Someone knows what’s the purpose of this little “hole”?
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What is the average time and distance needed to reach cruising height?

I am trying to compare trains with airplanes and the distances where taking a train is more viable than an airplane. I guess this would depend on the type of plane, but the Airbus 320 seems like a ...
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Why cruise at 7000' in an A319?

I was on a flight from Philadelphia (KPHL) to Boston (KBOS), after some delay and some change of route due to weather, the captain announced that we will be cruising at 7000' due to delays in the area....
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Was this 'load-balancing' seat change refusal real? [duplicate]

On Sunday, I was on a flight in Greece, on a A320. I was sat just forward of the wings. Someone sat in the isle seat opposite me, asked if she could move to the back to sit with her friend, since the ...
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Placement of positioning lights on A320 winglets

I was flying with an A320-214 that had big winglets (I think they were called Sharklets). I noticed that the positioning lights were facing forward on the leading edge of the winglet (the "notch" in ...
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395 views

How will the alpha lock function intervene when performing a takeoff at heavy weights on the A320?

In the FCTM for the A320 family of aircraft's under the SOP Takeoff chapter it is mentioned that the alpha lock function can intervene when performing a takeoff at heavy weights. Can someone please ...
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1answer
205 views

Why is it appropriate to announce ‘stable’ on final approach?

I have recently discovered that a budget airlines flight deck in the UK (Airbus 320) announce ‘Stable’ on the final approach. Both the Captain and F.O, just after 500 ft is called out by the computer. ...
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How can the landing gear of an A320 be lowered in the event of a simultaneous hydraulic and electrical failure?

What is the process for lowering the landing gear of an A320 when the hydraulic and electrical systems are not operational? What happens to the aircraft when you lower the landing gear with ...