Questions tagged [airbus-a380]

The Airbus A380 is a four-engine, double-deck, wide-body airliner that is currently (mid-2015) the largest production aircraft in the world

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2 answers
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Can the Airbus A380 safely fly with two engines out on the same wing?

I know twin-engine jets can safely take off and fly with one engine out (i.e. all thrust only on one side). Of course quad-engine jets are also able to fly safely in case one engine is out. But is ...
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Can the A380 ferry an extra engine, like the 747?

A useful little quirk about the 747 is that it can ferry a fifth engine on the wing, for when another aircraft is stranded somewhere in the world. Does the A380 have the same capability? If not, how ...
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Why is the lower deck of the Airbus A380 curved like a single deck airplane?

I recently traveled on the lower deck of an A380 and the section where the side walls of the fuselage and its roof top meet is curved just like any single deck airplane. Credits: Wikimedia Commons ...
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Why couldn't the A380 secure any orders for two straight years?

The double-decker aircraft has failed to win a single order from any new airline customer for two years now. Comparing its orders and sales with its biggest competitor, the B747 it had received 315 ...
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Why does the A380 not have front windows on the top floor?

The title says it all. On the 747, the cockpit is in the upper level and in the lower there's equipment (radar, avionics, etc.) But on the A380, the cockpit is in the lower floor and there's no ...
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Why doesn't the A380 use its outboard thrust reversers?

One thing I noticed with the A380 is that it only seems to use the inboard thrust reversers while landing. I suspect it relates to FOD ingestion or perhaps damaging the runway. This is strange though, ...
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Do the A380 ailerons act as air brakes on landing?

Last month I was on an Emirates A380 to London Heathrow. I noticed on the landing, the right ailerons were fully up along with the spoilers when decelerating on the ground. Are the ailerons configured ...
26 votes
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How many flight hours do the first retiring A380s have?

I read news here that an A380 previously owned by Singapore Airlines has been decommissioned and scrapped. Another A380 from Air France was also retired. Others are nearing retirement as well. But it ...
25 votes
1 answer
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What are the "lumps" in the A380 flight-deck?

In this photograph of the Airbus A830 flight-deck there are two large "lumps" sticking up and out from the centre console, next to the engine thrust levers and flight-computer keypads: I think they'...
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Would increasing the number of wheels of a Jumbo reduce the braking distance?

If weight was not an issue, would increasing the number of main gear wheels on a jumbo such as the Airbus A380 from 20 to 40 wheels, each equipped with braking disks and braking equipment, considering ...
24 votes
1 answer
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Does a jet engine keep running when it can no longer be controlled from the cockpit?

On the Qantas Flight 32 incident, the Airbus A380's number two engine encountered an uncontained rotor failure and partially damaged the controls of number one engine as well. According to Wikipedia, ...
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Why is the A380's fuselage designed with a flat bottom?

I want to know if there is some explanation for why the A380 bottom is flat instead of the oval shape, just near the wings.
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How does the A350/380 operate on Variable Frequency AC generators?

To keep a constant frequency of 400 Hz, most aircraft have a CSD (Constant Speed Drive) associated to the AC generator. On most types (e.g. A320, A330, B737, B747, B777) an Integrated Drive Generator (...
22 votes
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Why do some A380 main wheels have no brakes?

The A380 has 20 main and 2 nose wheels. Apparently the nose wheels have no brakes (compare with Are there any aircraft with a nose wheel braking system?). While researching for this question (How are ...
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Why Is This Tyre Square On The BA A380?

One thing I saw on the news recently was the following image: How has this happened? Some details: British Airways A380-800. Flight BA-32 from Hong Kong to Heathrow. While climbing out of Hong Kong ...
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1 answer
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What is the shiny stripe around the aft wing–body fairing on an A380?

Source: planespotters.net: 1, 2 Regardless of the airline, that part is always unpainted, and in the right conditions, it looks shiny. From below the plane, it wraps around the wing–body fairing. Is ...
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21 votes
1 answer
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What was used instead of the failed engine when ferrying the Air France Flight 66 aircraft back?

After engine 4 failed in Air France Flight 66, the airliner (an Airbus 380) landed at Goose Bay in Canada. I am aware that following that, the failed engine was removed and then something "...
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Is there any particular reason for the cockpit of the 747 being on the upper deck?

The cockpit of the 747 is on the upper deck, but the cockpit of the A380 is situated on the lower deck. Is there any reason (be it engineering or anything else) for the location of the cockpit?
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How strong is the A380 fuselage-wing joint?

The Airbus A380 has a maximum take-off weight of almost 600 tons. How strong does the joint between the wings and the fuselage have to be so it doesn't break? And how could it be trusted unless real-...
18 votes
3 answers
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Can a super land without flaps/spoilers?

Can the Airbus A380 or Boeing 787 land safely without flaps/slats/spoilers or thrust reversers?
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Why was the A380 built with a gull-wing design?

I've noticed that the wings on the A380 are very curved in comparison to the 747. I mean the 747 has a lot of wing flex but the A380 has less wing flex and the wings are flexed down in comparison to ...
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How much water does the Emirates A380 carry in order to provide onboard showers?

Do you realize that we are living in a world where you can get on an airliner and disembark cleaner than when you got on? Video: Shower in A380 First Class This just blows my mind. How much water ...
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Is the entire length of a B747 or A380 wing used as a fuel tank?

It is generally understood that the fuel tanks of aircraft are in the wings, but specifically, is the entire length of the the wing of: an Airbus A380 Jumbo used as fuel tank? a Boeing 747-800 Jumbo ...
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What is the ferry range of an A380?

The Wikipedia entry for the A380 gives the maximum range at design load as 15,700 km. The equivalent entry for a Boeing 747-400 gives around 14,000 km but distances of 18,000 km have been performed in ...
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What are these panels underneath the wing root of a A380?

What are these open panels underneath the wing root of a A380 (right above the person standing under the aircraft)? Are they ram air exhausts of the air conditioning packs?
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Are the A380 engines interchangeable (given they are not all equipped with reverse)?

I have noticed that the A380 only uses the two engines closest to the fuselage to reverse thrust to brake. Are all four engines the same (i.e.: could they theoretically swap engine 1 and engine 2) or ...
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Why does the wing root of the A330 have a pronounced twist?

just wondering what the purpose of the pronounced twist on the Airbus A330 wing root is, I've noticed this on the 380 as well.
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Is the A380 ailerons' kinematic modified in alternate law?

I was looking at a video of a A380 display that led me to the "valse des ailerons". This strange ailerons behaviour is available in normal law, but what happen when some fly-by-wire features are not ...
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What is this little door on the upper deck of the A380?

I found a little "door" on the upper deck of this A380: Source: Airliners.net What is the purpose of that door, hatch, whatever?
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Why is the A380 a double-decker rather than a longer airplane?

It seems like making the A380 a double-decker increases the cross-sectional area of the fuselage, thereby increasing drag on the airplane. Wouldn't it be more efficient to fit so many seats in a ...
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What options would Qantas Flights 7/8 have in case of emergency?

Route For Qantas 7&8 As this route shows, once the flight exits SYD, then all it has nearby is just the great pacific ocean. In such a situation, if it hits some emergency, what all options would ...
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Is A380's center of gravity really too far back?

I have searched and even studied plans from Airbus itself, but I was not able to confirm the following and would like to ask if the information I have is correct. TLDR version so you don't have to ...
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Has Airbus planned to build a larger version of the A380?

The current Airbus A380-800 could carry over 800 people. Has Airbus planned to build a new, larger version that could carry 1000 or more passengers?
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Is it possible to convert a passenger A380 to carry cargo?

I heard an expert say that one of the A380's weaknesses is that it only comes in a passenger version, not a cargo one like the B747 does. The cargo version of the B747 makes its market wider. One more ...
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3 answers
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Why is Emirates not considering buying or leasing used A380s?

Airlines such as Korean Air are retiring their A380s. They are struggling to find buyers/lessors. In such a scenario, Emirates could easily obtain used A380s at cheap prices. Is Emirates not leasing ...
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What is Brake To Vacate (BTV)?

Emirates has this feature on many of its A380s. From what I've read, the feature decreases the amount of runway an aircraft uses after landing. It also helps the aircraft achieve a certain exit way. ...
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How far would a landing Airbus A380 go until it stops with no brakes?

If an Airbus A380 lands with all brakes disbled, including reverse thrust, wheel brakes and any other measures it has to stop or slow down. Then how long would it take it to reach a complete stop.
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1 answer
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What is the minimum separation between two landing A380s?

I have always assumed that landing separation depends on wake turbulence limits depending on weight class. However I see that no minimum separation needed for the A380 as trailing aircraft (and in a ...
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1 answer
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What is the weight budget of a fully loaded A380?

Wikipedia provides some numbers (typical empty weight, MTOW, max fuel capacity, etc.), but I can't seem to find more detailed figures. For a purpose of this question, let's assume a fully loaded A380 ...
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Is there a real risk of ingesting FOD into jet engines when using thrust reversers?

In the discussion of Why doesn't the A380 use its outboard thrust reversers, one of the reasons given was that engines 1 and 4 would be at great risk of ingesting debris. It was pointed out that the ...
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3 answers
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How many passengers can an Airbus A380 carry?

What is the passenger capacity of an A380, and how many suitcases could it carry?
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How do the cabin noise levels of the A380 and the 777 300 ER compare?

I couldn't find any official comparison for noise level (dB) in Airbus A380 versus the Boeing 777 300 ER. Does anyone have some info about it? Which one is better in terms of acoustic isolation?
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Is it currently possible to build a jet engine with 1,050 kN of thrust? (236,049 lbf)

Do we currently have the engineering know-how to build a 1,050 kN jet engine? This question originated from the idea of changing a 4-engine aircraft into 2-engines. I chose the A380 since it seems to ...
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Are thrust levers synchronized by default when pushed/pulled? [duplicate]

When I watched this video about the last flight of Juergen "J.R." Raps from SFO to FRA in an A380 (before his retirement) I noticed he lines up or synchronizes the four thrust levers as shown between ...
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What is the optimal wing sweep angle for a passenger airliner?

There are many different types passenger planes, but is there a optimal wing angle for these planes, that improves the plane's take off speed for example, or the fuel efficiency The Boeing 747 has a ...
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8 votes
2 answers
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Why is the A380’s with-reversers stopping distance the same as its no-reversers stopping distance?

Thrust reversers, found on almost all jetliners1 and on the larger propliners, redirect engine thrust forwards, helping to slow the aircraft in the event of a landing or rejected takeoff.2 This takes ...
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How long does it take to assemble an Airbus A380?

How long does it take to assemble an Airbus A380?
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Why does a Boeing 747-8 take more runway length to take off, compared to an Airbus A380?

The Airbus A380 is the largest passenger airliner. That also includes the Boeing 747-8. Meaning, the Boeing 747-8 is smaller than the Airbus A380. As far as I know, smaller planes use less runway ...
8 votes
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What is the average time taken to load and unload the luggage?

I was wondering, how are Lufthansa able to unload luggage (LH 760) of 500 passengers and load the luggage (LH 761) of another 500 passengers, in just a 2 hour gap for return leg of 7000 KM FRA-DEL ...
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Is the Airbus A380 a viable shorthaul airliner?

What is the technical, mechanical and economic feasibility of using the Airbus A380 for short haul flights of under 4 hours in its 800 plus seat configuration? I'm talking about cost and economies of ...