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Questions tagged [airbus-a350]

A family of long-range, twin-engine wide-body jet airliners developed by Airbus.

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13 votes
4 answers
3k views

How does the A350 variable camber system decrease drag?

Just curious how the A350 reduces drag/fuel burn by extending the flaps ever so slightly during cruise. Everything I've read about extending flaps says that extending them pushes the centre of ...
8 votes
4 answers
30k views

Why does the A350-900 call out to retard at 20 feet above the runway?

I watched this video of a delivery of an A350. at 14:50 there is the sequence I'm interested in: the ground radar normally counts down the distance to the ground, ...
9 votes
1 answer
765 views

Why is the forward fairing of the pylon very shiny and metallic in appearance in A350?

One can notice the forward fairing of pylon is very shiny and metallic. This is quite unique and I do not find it in other aircraft. Why is this? Does it serve any specific aerodynamic purpose or does ...
5 votes
2 answers
3k views

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, ...
2 votes
1 answer
740 views

What was the cause of Qatar's A350 rejected takeoff on 2015-12 at JFK?

In December of 2015 Qatar Airways flew the first commercial flight of an Airbus A350 out of the United States, from JFK in New York City. The first attempt to take off was rejected, as documented at ...
4 votes
0 answers
284 views

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 ...
4 votes
2 answers
2k views

Who manufactures the landing gear on the Airbus A350 series aircraft?

Where are they made? I assume that they are made out of titanium. Right?
5 votes
1 answer
673 views

What is the relation between flap setting and aileron droop on the A350?

The A350 has a aileron droop function, which is linked to the flap setting. In contrast to other aircraft with aileron droop, the A350s ailerons do not droop when the flaps are fully extended. I ...
23 votes
3 answers
16k views

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 (...
4 votes
1 answer
492 views

How many thousands of flight hours does it take to certify a jetliner?

How much time in flight hours does it take for a civilian aircraft (the Airbus A350-1000 for example) to get its certification from say either FAA or EASA? To make the question more practical, I used ...
2 votes
1 answer
2k views

What trailing edge flap design does the A350 use? Is it similar to the A380?

Both Airbuses have similar flap deployment based on some YouTube videos I have watched, just wondering if they both have the same flap design being "Single-Slotted Fowler Flaps".
3 votes
2 answers
410 views

What is the A350's procedure for stained cockpit windows?

Recently I read of this Ethiopian B737 incident at Dire Dawa on Jan 9th 2020. The aircraft flew through a swarm of locusts, which didn't cause any significant damage, but it rendered the cockpit ...
11 votes
1 answer
3k views

What is that yellow square to the right of the main entry door of this Lufthansa A350?

My question is: is it just part of the paint job, or does this yellow square serve a purpose? I haven't seen this square on any other airlines.
0 votes
1 answer
1k views

Why is there such a large price difference between the A350 and B787?

What are the reasons for quite significant difference in price between the Airbus A350 and Boeing 787? List prices for the A350-900 and 787-9 are around 317 million USD and 190 million USD ...
9 votes
5 answers
4k views

First time passenger flight by two pilots?

In this video, the captain proclaims after take-off: We were nervous about this, but takeoff went smoothly It was his first passenger flight in the A350, but still... not exactly what I would want ...
1 vote
1 answer
626 views

Why does the A320 still have this old fashioned nose?

Another answer stated that Airbus was less focused on just brand image, and more on aerodynamics, explaining the more rounded nose of it's 320 vs the 737's. But it still has flat cockpit panes which ...
0 votes
1 answer
4k views

How many cabin crews are needed for an A350-1000? [closed]

How many cabin crews are needed for an A350-1000?
4 votes
2 answers
3k 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 ...
0 votes
1 answer
332 views

Is the passenger capacity of the A350 really only 250 pax?

I read online that the capacity of an A350 was 250 passengers, but I took the max cabin width and length of an A350-900XWB, and I ended up with a 400 passenger capacity in a 4-class layout. Economy ...
2 votes
1 answer
2k views

What's the maximum range an A350-900 can reach at TOW of 250,606 kg and full payload?

When the TOW (takeoff weight) of an A350-900 is 250,606 kg (because of runway length limitation), with maximum payload, what is the maximum range it can reach using the chart above? It is easy to ...
2 votes
1 answer
1k views

What are these things on the A350's instrument panel?

https://i.sstatic.net/fQy4e.jpg . . On the FCU Panel, there are some buttons or switches that are not on a320s and some older Airbuses except the A380. what's that and what the function?
2 votes
1 answer
439 views

How a customer could choose "A330-Neo" or "A350 Regional" on shorter routes?

According to Wikipedia, Airbus is studying a new A350 Regional that effectively is a think that I suggested some time ago when I asked "Why is the A330neo more efficient than the A350 on shorter ...
31 votes
1 answer
18k views

Which external instruments are visible on the A350's nose section?

Most pictures of airliner's nose sections show small dark tube- or fin-shaped instruments sticking out of the fuselage below the cockpit windows. For example this Airbus A350 shows them well: ...
21 votes
2 answers
15k views

Could the Boeing 787-9 near vertical takeoff demonstration be performed by Airbus A350 aircraft?

I am an aviation enthusiast. A couple of months back I came to know about the difference between piloting Boeing and Airbus planes here. What are the main differences piloting Boeing vs. Airbus ...
1 vote
1 answer
460 views

What is this loose object above the flap fairing? [duplicate]

During my flight, I noticed a loose object above one of the flap fairings. You can see it in this video: https://i.sstatic.net/yxh62.jpg. Is it normal or should I notify the airline? People pointed ...
5 votes
2 answers
481 views

How come Boeing invested \$32 billion on the 787 program and Airbus only \$15 billion on the A350?

How come Boeing invested \$32 billion on the 787 program and Airbus only \$15 billion on the A350? (according to wikipedia)
7 votes
2 answers
1k views

How can I switch off the yaw damper in an Airbus A350?

How can I switch off the yaw damper in an Airbus A350? In the A320, this can be done by switching off the FAC, but the A350 doesn't have a FAC switch; it has prim and sec instead of FAC and ELAC.
5 votes
2 answers
7k views

How many tanks does an A350 have?

How many tanks are there on an A350? Where are they located? Is it a common configuration among large aircraft?
4 votes
2 answers
359 views

Meaning of XX below Slat FLap Trim on A350 with flap setting 1

What is the meaning of the 'XX' in amber below the 1 (in green) within the Slat Flap Trim section on the A350 PFD when the flaps are set to 1 with the correct speed (below 255kts)? See picture ...
4 votes
1 answer
1k views

Why do Airbus and Boeing have different approaches to bleed air systems? [closed]

Reading Wikipedia and other questions like this, made me curious as to why Boeing uses bleedless architecture for its B787, while Airbus thinks differently for its A350 XWB (and Rolls-Royce thinks the ...
9 votes
1 answer
4k views

Why is the A330neo more efficient than the A350 on shorter routes?

For A330neo Wikipedia page, is written: A330neo enables profitability on shorter ranges where the longer-range A350 and Boeing 787 aren't optimized. For what reasons it is true? A330 and A350 ...
6 votes
1 answer
928 views

Why are some vertical stabilizers painted 'after' installation?

I recently watched the Airbus videos on making the first PAL and Air China A350s. PAL’s vertical stabilizer was painted before being installed, as explained in 'Why are the tails always painted, but ...
10 votes
2 answers
3k views

Does the Airbus A350 have an Automatic Emergency Descent System?

In 2009 Airbus went public with a new feature in the Airbus A350, an Automatic Emergency Descent (AED) System. The system would detect a rapid depressurization and, after a defined waiting time, ...
1 vote
1 answer
233 views

Is it possible to 'retrofit' electric flight control actuators to replace existing hydraulic actuators on aircraft?

Read a bit about the potential cost savings of replacing existing hydraulic aileron actuators on large commercial aircraft such as the A350/380 with electrohydraulic/electromechanical actuators. ...
5 votes
1 answer
417 views

How did Airbus fit 6,340 gallons more fuel into the A359?

Bloomberg posted an article that says, among other things, the A350 ULR variant increases range by utilizing "additional space already available in the existing tanks to carry an extra 6,340 gallons ...
5 votes
1 answer
449 views

Did Hamilton Sundstrand Corporation fix this GPWS problem?

So I was reading about Garuda Indonesia Flight 152 and one of the reason it crashed was for a GPWS malfunction. Here is the Wikipedia article about the crash and GPWS: Garuda Indonesia Flight 152 ...
0 votes
2 answers
302 views

Delta fleet plans - all Airbus? (and Bombardier) [closed]

With Delta ordering A321neos and C-Series not 737 Max 10s, A339s, A359s instead of 789's, might Delta be on their way to an all-Airbus fleet? Or going away from Boeing? Was the 737 Max vs A321neo ...
5 votes
1 answer
2k views

what is the difference between max nose wheel steering angle and effective steering angle?

I am looking at a diagram. The max nose wheel steering angle is 72 deg and effective steering angle is 66.1. My question is now why do we not have just one nose wheel steering angle? what is the ...
15 votes
1 answer
2k views

What type is this aircraft and engine at Munich airport?

Please help me to identify the plane and engine.
0 votes
1 answer
6k views

What is the CPIOM in the IMA?

What is the CPIOM in the IMA architecture. Which is the difference between the CPIOM in the A380 and the CPIOM in the B777?
18 votes
3 answers
34k views

Why is Airbus proceeding with both the A330neo and A350 XWB?

Looking at the specifications for the A330neo and A350 XWB, it strikes me that the two under-development models of the A330neo are relatively similar in specification to the A350-800, one slightly ...
5 votes
3 answers
1k views

How to find polar curves of airliners?

The pilots operating manual of our Cessna 182 contains the lift-versus-alpha and lift-versus-drag data of the airplane, so I assume this is data that should be publicly available. Is there a ...
9 votes
1 answer
355 views

How is structural damage to a composite fuselage detected?

When a service vehicle collides with the aircraft, the plastic nature could hide any subsurface fractures which could propagate as the aircraft goes through cycles. How is potential damage diagnosed ...
14 votes
1 answer
8k views

What is the function of the protruding outlet on the Trent XWB?

Original by Bernd Sieker from Germany (Trent XWB) [CC BY-SA 2.0], via Wikimedia Commons Above is a photo of the Rolls-Royce Trent XWB highlighting the aft facing outlet in question. In a video for ...
1 vote
0 answers
278 views

What is this "hole" in the A350 fuselage? [duplicate]

As usual, I was looking at pictures of planes flying around me. And then I noticed a weird hole in this Singapore Airlines A350 fuselage: Source Registration number of this plane is 9V-SMD. ...
9 votes
1 answer
12k views

How is the crew rest area on the A350 accessed?

As per this image of the A350, the crew rest areas have been placed on the top of the fuselage. How can this be possible and how would the crew get into the rear one since it seems that it is placed ...
11 votes
3 answers
13k views

Why didn't the A330neo and A320neo share the cockpit of the A350?

Recently Airbus presented its lastest projects A330neo and A320neo. I'm sincerely surprised about the cockpit, in that it is essentially the same of the original A330, while I was expecting that ...
8 votes
2 answers
3k views

What features are cursor controlled on the A380 Navigation Display?

I read that on the A380 and A350, certain features on the Navigation Display can be controlled via the Keyboard and Cursor Control Unit (KCCU). However, I did not find a full list of these features. I ...
11 votes
2 answers
12k views

Why are the cockpit windshields on the A350 black?

The newest planes like the 787 or A350 have a different kind of cockpit windshields: Picture source The A350 has "black" windshields: Source Does anybody know why are the windshields different?
3 votes
1 answer
758 views

What are the "high performance characteristics" of a Boeing 777?

News of the potential further stretch of the A350-1000 have seen pretty much all journalists discuss the "high performance characteristics" of the competing Boeing 777-9 with Middle Eastern airlines. ...