Questions tagged [airbus]
Based in France, and with significant activity across Europe, the company produces approximately half of the world's jet airliners.
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Why aircrafts cant fly near the north pole? ( if you could answer with respect to A320 it will be help full?)
The Adiru on the Airbus 320 has an limit like 84°N latitude. Above that what happened?
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What does 'category' mean in the NEW NAVAID menu of the Airbus FMS?
I tried to create a NEW NAVAID in the Flight Management System because I was simulating a flight to an airport that is not in the database of the FMS.
What Category is Airbus referring to in the MCDU ...
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What is the essential purpose of making three control laws in Airbus aircraft?
Airbus has normal law, alternate law and direct law. What was the need for specifically making each of these three laws? What benefit does each one offer over the others?
Also, why does Airbus degrade ...
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On the A321neo, what determines the 'time to land' when an Additional Center Tank System Fault is triggered?
On the A321neo, the QRH has a procedure in the case of a ACT (Additional Center Tank) System Fault (Found in the QRH under Abnormal and Emergency Procedures, Fuel).
When such a fault occurs, you must ...
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Why descend after a single engine failure in an Airbus?
The procedure says to descend to lrc ceiling. But, why do we need to descend?
The aircraft is still able to maintain speed even at higher altitudes,
at FL300, in FS2020, it was maintaining around 215-...
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How is Airbus A320 cockpit philosophy designed?
I believe there is a reason behind a particular design especially in aviation.
I wanted to know how A320 cockpit was designed ?.
For example: Why is RCDR, EMER ELEC PANEL is on the left side of the ...
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What's the difference between taking priority and taking over the other sidestick in Airbus?
I know that on the sidestick, there is a button to disconnect the autopilot, and also to take control of the aircraft over the other side.
However, I'm confused about what the difference is between ...
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Do Rolls-Royce Trent 700s (on the Airbus A330) automatically spool up when selecting *only* idle reverse?
I recently rode in the jumpseat of an A330 during a flight. Quickly after touchdown, the PF selected idle reverse, and no further. As soon as he did so, I could hear the engines begin to spool up, and ...
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Why does the "retard" command on the Airbus sometimes continue after the thrust levers are already at idle?
There are many examples where the PF will place the thrust levers at idle and the "retard" command will continue sounding. Here are some examples: 1 and 2. Note that I am not referring to ...
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Would the FAA let me fly a plane with no windows? [duplicate]
Back in 2014 Airbus patented several designs for airplanes with no cockpit windows.
Would the FAA let someone (fully-certified for IFR) fly an airplane with no cockpit windows?
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What is the difference between the two fields on the bottom half of the upper ECAM display on Airbus airplanes?
Note the two fields with green text on the bottom half of the display, separated by a white line. During abnormal conditions, the left portion may show "ECAM actions," but I do not know what ...
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Why are there no protection symbols (=) for high AOA protection on Airbus aircraft?
Green protection symbols (=) are displayed for many protections on Airbus aircraft, such as for bank, pitch, and high speed protection. However, there is no such symbol for high AOA protection. Rather,...
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What's the difference between ACARS and ATSU?
I've seen ACARS and ATSU used interchangeably and I've seen references that imply they're different things (ATSU being Airbus only).
How would I explain the difference to someone?
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Airbus' official language
I would like to know which language Airbus uses when they create the original version of their official documents.
So.. which language do they use? German or French?
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The evolution of commercial airliner wing twist distributions over time
As far as I understand, wing twist is used by commercial wing designers to make the span-wise distribution of lift as elliptical as possible for tapered wings, increasing the span-efficiency factor ...
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What is the difference between A321neo and A321neo LR?
According to the illustration on this Airbus webpage about the A321Neo XLR, the A321Neo has 3500 NM range and A321Neo LR has 4000 NM range which is in conflict with this Airbus website about the ...
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Why do the ailerons on an A320 droop when the engines are shut off and the 787 ailerons dont droop when the engines are shut off?
I have been wondering why the ailerons on the A320 (and other Airbus aircraft) droop when there is no power from the hydraulic pump. From my understanding of hydraulic actuators, the position where it ...
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What is "taxi speed" for an Airbus?
In the FCOM we can see a lot of "taxi speed", for example after landing:
AT TAXI SPEED, ALL REVERSER LEVERS......STOW
But what is taxi speed? Is there any definition or particular number? ...
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Can air traffic control see control panel selections (I.e. FCU on A320 or MCP on B737)?
I have flown with a few captains that have told me that air traffic control can see the settings we set on the FCU (or MCP on B737):
Is this actually correct? I'm aware that ATC can see what speed, ...
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Comparisons between the A340 and 747-200 wing: sweep angle and span
Here is a picture of the wings of the A340 (launched in the late 1980s) and the Boeing 747-200/400 (launched in the early 1970s / 80s) superimposed upon each other (source: https://www.amazon.com/...
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Why is 5 seconds the time to respond to a TCAS RA?
With TCAS, the time to respond to an RA is 5 seconds (2.5 seconds for a reversal RA). The FCOM states that the TAU (estimated time) before the aircraft intruder reaches the "Closest Point of ...
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Is Airbus offering to retrofit older A350s with the new winglets?
I noticed that new winglets (sharklets?) on the A350 are extended as part of the PIP (Performance Improvement Package).
Are older A350s being retrofitted with the new sharklets? Does Airbus even offer ...
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How has Computational Fluid Dynamics improved commercial airliner wing design?
Starting the 1980s, extremely powerful computational fluid dynamics software has been used to design wing sections and whole wings. I am going to focus on the Boeing 777 as an example of CFD applied ...
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How have engineers managed to increase commercial airliner wing aspect ratios over time?
Over time, the wing aspect ratios of commercial airliners have increased.
For evidence ,see the following data:
1980s:
Boeing 747-400: 7.91,
Boeing 757-200: 8.0
Boeing 767-300: 8.0
Airbus A310: 8.8
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Why didn't ejection seats become a thing in civil avation and only limited to military? [duplicate]
Recently, an Indian CDS Bipin Rawat and his family as well as eleven members of the Indian Army died in an helicopter crash. You can find the story here. I did look at any questions asked on the topic ...
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Does aircraft manufacturers provide option to exchange older models?
Most of the vehicle manufacturers provide exchange value for older models when buying a newer one. Like you can exchange your old BMW 3 Series for new 3 Series or upgrade to 5 Series and so on.
Is ...
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How does the Boeing 737's implementation of RNAV and VOR approaches compare to Airbus? [closed]
How does the Boeing 737's implementation of RNAV and VOR approaches compare to Airbus?
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Why do the landing gears of Boeing 767 and certain Airbus aircraft tilt down? [duplicate]
I need help and some explanation on why are they sometimes tilted down instead of up.
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Why doesn't Boeing use supercritical airfoils?
It's my first question & I really want to know the answer from professionals to decide if my new design of airfoil is worth it because the initial test by CFD software (Fluent-ANSYS) indicate that ...
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Is it possible to continue flying without electric power? [duplicate]
To be specific with the question, I would like to know if if it is possible to continue flying in the event of total loss of electrical power. Obviously, I know this entails the shutting down of ...
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Why does JetBlue have aircraft registered in Germany?
I recently saw a JetBlue A321 with a German flag on its tail and was wondering why it would be registered in Germany if it was a US-based carrier. I was thinking maybe it had something to do with ...
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Does Airbus buy Boeings and vice versa?
I read somewhere that Airbus developed the A350 in response to the B787. In general, how much do Boeing and Airbus know about each other's aircraft? And how do they learn about the detailed designs of ...
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Do pilots use the pedals in flight on planes with a sidestick (Airbus)?
Do the pilots flying sidestick aircraft with fly-by-wire control systems, such as the Airbus A320, use the rudder pedals while in the air? Or does sidestick input affect both the rudder and the ...
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Is there any difference between Airbus and Boeing on yaw damper technology?
Modern aircraft have yaw damper systems installed. Is there any difference between the two big manufacturers on yaw damper systems, such as the location, etc.?
I have to do some research on this topic ...
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Are the A400M propellers rotating in the wrong way in "Mission Impossible: Rogue Nation"?
At the beginning of the movie Mission Impossible: Rogue Nation we can see an A400M taking off.
When the engines start, the propellers turn in opposite directions. As I understand it this is not a ...
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What is the difference between an Airbus A330-200 and an A330-243?
I am just curious to know the difference between Airbus A330-200 and A330-243.
Sri Lankan Airline A330-243
Sri Lankan Airline A330-200
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Flex temperature isn't actually "fooling" the FADEC, right?
I'll be using Airbus terminology here because that's what I know, but I guess the concepts are universally applicable.
The way I understand flex temperature is: It's a user interface for pilots to ...
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How do Airbus and Boeing aircraft handle Dutch roll?
I have some homework about Dutch roll filters. Dutch roll is something that is corrected by yaw damper systems, but I would like to know the different ways Boeing and Airbus deal with the issue of ...
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Why are some A350s missing SSA probes on their nose?
I recently just noticed that some A350s are missing their iconic set of 3 main SSAs (Side Slip Angle Probes) on their nose. I'm not sure if its an issue of newer variants or varied airline options, ...
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What is the yellow marking underneath Delta A220 doors?
I've recently noticed a yellow marking underneath the left door of Delta A220s. It's a yellow rectangle with a black T on it and it is exclusive to Delta and no other airlines on the A220. Any ideas ...
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Why does the auto brake panel on an A320 use "lo", rather than "low"?
Is there a specific reason that Airbus chose to shorten "LOW" to "LO" for the lowest autobrake setting?
Wouldn't it be more consistent to use three letters for each setting?
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Was there more than one incident or accident where an Airbus FBW aircraft reverted to mechanical backup?
There was an accident Smartlynx A320 training flights MYX-9001 at Tallinn on Feb 28th 2018, where ELAC pitch control failed due to fault in the stabilizer actuator, and then both SECs failed due to ...
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Does joystick position control bank angle in some Airbus aircraft? And what happens when the pilot deflects the joystick when wheels are on ground?
Does joystick position control bank angle rather than directly controlling aileron/spoileron deflection in some Airbus aircraft?
Also, what happens when the pilot deflects the joystick when the all ...
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How big is the TP400-D6 turboprop installed on the A400M?
I am trying to re-create the A400M TP400-D6 engine in CAD, mainly the nacelle and propeller, yet I can't find any detailed dimensions for it.
Europrop specifies a 0.92m diameter for the TP400-D6, so ...
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What is an airliner's "green dot speed", and how does it vary with weight, and why?
A related question told us, quoting from an Airbus performance manual,
Green dot speed (minimum gradient) is a function of weight.
Comments under the question stated that the "green dot speed" ...
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is it mandatory you put a ground cable for airbus aircraft parked over night?
is it mandatory you put a ground cable for airbus aircraft parked over night
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Why does the A320 IR2 MEL OPS procedure suggest to switch to ADR3?
The A320 34-10-05B IR2 MEL OPS procedure additionally calls for Air Data switching to FO3.
When ADR 2 is working fine why replace its data on the FO PFD when only IR data is lost?
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Does an Airbus FAP display any indication of a full waste tank?
I have doubt about controls on FAP regarding Waste Tank.
I understand when crew person clicks on Input On button, FAP displays the quantity of Water and Waste tank.
But what happens when Waste Tank ...
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What is the outer kink on the airbus 340-600?
I was checking some information about the a340-600 and got this statement: "thickness/ chord ratios 15.25 per cent at root, 11.27 per cent at inner kink, 9.86 per cent at outer kink and 10.60 per cent ...
