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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What is the minimum limit required for the landing gear oleo extension on the A320?

I wanted to get some authentic information regarding as to what are limit should landing gears oleos (main and nose) be extended before maintenance action is required. Many engineers I have spoken ...
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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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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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118 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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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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317 views

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 ...
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What are those buttons pushed after thrust is set to max

If you see this video at 0:42 you will see both of the pilots pushed a button on the front panel. can someone tell what that is and what it does?
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Why is the speedbrakes rate of retraction 25 seconds when used at speeds greater than 315 knots/.75 Mach on the A320?

While I was routinely reading the FCOM normal procedures I came across a note with regard to the speedbrakes retraction time going up to 25 seconds when we use them at speeds at or over 315 knots / ....
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737 ACP GPWS volume control?

So, I was sitting in the front rows of an A320 and could obviously hear the AP disconnect. But I could not hear the GPWS altitude and RETARD callouts. I assume this is because the pilots set the GPWS ...
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551 views

Why is the 737 so low?

Why does the Boeing 737 sit so low on its wheels compared to the Airbus A320?
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Does the a320 neo have anything like MCAS? [duplicate]

I am trying to book a flight that will be on an A320 NEO. Does this have any 'new' systems or features, like the MAX MCAS system? I'm asking this question also because one airline has just grounded ...
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What is the THS deflection speed?

Let's restrict this question to best sellers airliners (A320 and B737). On this aircrafts, the THS is used for pitch trim. The speed requirements may not be has intense as for elevator as it control ...
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How to disable GPWS in a 737NG just like how the Airbus can?

The Airbus planes have a feature where the GPWS can be disabled. But I cannot find any switch in the 737NG cockpit to disable the GPWS.
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Did A320 NEO need an equivalent to 737 MAX MCAS because of its bigger engines?

We read that MCAS on the Boeing 737 MAX was needed because of the new, bigger, heavier engines of the MAX compared to the previous 737 versions. The closest equivalent to MCAS on the Airbus A320 NEO ...
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On an A320, will the aircraft compensate for constant pilot rudder input?

As I understand from answers to the question What does rudder input control in normal law in an A320?: the rudder deflection is the result of the sum of pedals input and plane's FBW command in normal ...
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Why does the flight controls check come before arming the autobrake on the A320?

As per SOP on the A320 we first perform the flight controls check and then arm the autobrake to max. What is the reason behind this?
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Why would the outer tanks fuel on the A320 be colder than the inner tanks?

I have noticed in a number of instances during long flights typically over 5 hours the fuel in the outer tanks on the A320 are colder than the fuel in the inner tanks. This goes against the system ...
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What does rudder input control in normal law in an A320?

I understand form documentation that in normal law, pedal input is not necessary to keep coordinated flight. It is merely said that using the pedals is not necessary. Later in the documentation it is ...
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Is it possible to selectively deactivate alarms? [duplicate]

My question is restricted to Airbus an Boeing's best sellers, namely the A320 and the B737. If relevant, answer can be extended to other types. In those aircraft, there are multiple possible alarms (...
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What is the trim wheel behavior on the A320 family?

The Trim Wheel in the A320s usually is moving by itself, representing the current stabilizer position (or rather command). Before takeoff I believe it is set by hand to set the takeoff trim. During ...
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Why does the A320 use the rudder for lateral control in mechanical law?

When the Airbus A320’s flight control system is operating in mechanical law (the simplest and lowest-tech of the A320’s flight control laws, where deflections of the pilots’ joysticks are transmitted ...
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718 views

Is there less vertical space for an engine under the wing of a 737 Max than for an A320neo?

The source of this question is the understanding that the LEAP-1B couldn't fit under the wing of a 737 without changing its longitudinal position. But this wasn't the case with the design of the LEAP-...
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What are the three sources that are relayed to the brakes and steering control unit of an A320?

There is the sentence: Electrical signals from the three sources are relayed to the brakes and steering control unit (BSCU) and are computed into the nose steering angle. The question: What are ...
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How can I find which engines are used on the different A320 weight variants?

When looking in the type certificate for the different configurations of the A320, I found a lot (really, more than 50) weight variants listed. But none seemed to mention the actual engine paired with ...
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247 views

Why does the A320’s maximum allowable aileron deflection decrease, rather than increase, when the flaps are extended?

According to this answer to why the A320 uses mainly spoilerons for roll control during landing, rather than conventional ailerons, the ailerons can’t extend as far when the flaps are extended, for ...
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Does the ditching switch allow an A320 to float indefinitely?

I watched a documentary yesterday about the Hudson River ditching of US Airways Flight 1549. In the documentary, one of the investigators explained that the reason the water was entering so quickly ...
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What does a white diagonal line mean on an Airbus ECAM DU?

When my A321 powers up, the lower ECAM DU shows only a diagonal white line. What does it mean and what would be the fix?
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In normal condition, is the Airbus A320 APU fuel supplied by the main engine boost pump only?

I have a question relating to APU fuel system. As said in material, there are 2 system supplying fuel for APU to operate. 1st one is primary and 2nd one is secondary. In the 1st system or low ...
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What is that CFM56 with a toothed exhaust on an A321?

I stumbled upon a wikimedia picture and I saw something that I have not seen before: a CFM56 with a toothed engine exhaust. Can someone explain to me what engine variant that is? Source Author: ...
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What steps are needed to communicate with ATC on an A320?

In the description to this video, Captain Joe says that it took this inexperienced person 20 minutes to establish radio contact with ATC (in an A320 simulator). This seems like an awful lot of time ...
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Can a single engine on an A320 provide wing anti ice?

Can a single engine on an A320 provide wing anti ice for both wings in the air ?
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What are the dimensions of the A320's wingtip fences?

Does anyone know the size (relative to the wing) or have a schematic draw of these wingtip fences?
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323 views

What is the purpose of the pressure relief door fitted on the PW1127G-JM engines of the A320NEO?

Hey guys many times during my exterior walkaround I noticed on the A320NEOs that they have this pressure relief door and our SOP for the exterior walkaround states to check that this door is closed. ...
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268 views

What is the acceptable position of the brake wear indication for A320?

What is the acceptable position of the brake wear indication (PIN) for an A320 to be safely dispatchable?
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What does “ACFT MAX 65/7 ” means on lido charts?

What does "ACFT MAX 65/7" on the minima box means? I found out that its related to wingspan and some vertical distance, but I still didn't get the vertical distance thing !!
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What is in the A320 Smoke and Fume checklist?

What does the "Smoke and Fume Checklist" for the Airbus 320 series look like? Is it a printed item or is it on the ECAM screen?
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Air quality monitoring devices for a320

I looking for the air quality monitoring devices for a320. How do they look, where they located? thank you for the help
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Why do the A320's centre tank pumps stop working 5 minutes after the low level has been reached?

I'm new here and I'm in training course for Airbus A320. In the training material, it's said that the centre tank pumps are controlled to stop automatically 5 mins after the low level fuel has been ...
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What are the BUGS and RST buttons on the A320's ISIS for?

What is the BUGS and the RST function for the A320's ISIS for?
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In an Airbus A320, when alpha protection is active, is pitch protection no longer available?

The A320 FCOM chapter 27 flight controls, normal law, protections, shows a diagram how the sidestick input is used when protections are active. When high angle of attack protection is active the side ...
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Airbus A320 automatic speed mode protection in SRS vertical mode

According to the A320 FCOM, capter 22 auto flight, flight guidance, the "automatic speed mode protection" of the auto flight system of the A320 disengages the flight directors upon reaching current ...
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Where are the black triangle'd seats? [duplicate]

There are two windows marked with a black triangle, which indicate that they provide the best view for the wing, when the crew needs visual. Since A320s are probably the most popular birds out there ...
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What is this small black rubber strip protruding out of the flap track fairing of the A320?

On the Airbus A320 wing there in whilst in flight a small black rubber strip protruding out of the flap track fairing. What is it please?
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Is it possible to totally override the flight computer on the Airbus A320-family (in simple non-technical terms)?

As I know, in the autopilot oriented airplanes like an A321 the plane doesn't let the pilots pitch down when the plane gets an over-speed warning. So what if the pitot-static system isn't working ...
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What is the drag (or $C_D$ vs $C_L$) of the Airbus A320 in cruise flight?

Is there any website or data-sheet that I can find drag of airplane for cruise conditions. $C_D$ vs $C_L$ graph is also acceptable. To be more specific I am searching drag values of A320 in cruise ...