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Questions tagged [fuselage]

The main body of the airplane that holds the cargo and passengers.

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29
votes
4answers
8k views

What is this line found above the door on many aircraft?

Many aircraft have this line above the door as seen in the photos below. What is it, and what is its purpose? Source Source
10
votes
2answers
4k views

How well does a composite fuselage deal with lightning?

The metal fuselage of an aircraft, being highly conductive, protects occupants, interior components and fuel from the effects of lightning by conducting the electricity around them. Some newer ...
0
votes
1answer
251 views

Does installing a PTZ dome camera outside the aircraft violate any FAA rules?

I want to install a big PTZ camera at the exterior of the plane like A380 which can give the pilot a clear view while landing or taxing. I have gone through a similar question but it doesn't give any ...
6
votes
2answers
1k views

Why would a passenger airliner be missing windows in the fuselage?

On many airplanes (you can take the A330 to make an example), the fuselage is not completely covered by windows. In some cases it is due to the presence of the lateral emergency exit, in some other ...
6
votes
2answers
2k views

In Aircraft Design, is the ratio of fuselage surface area to control surface area meaningful for calculating flightworthiness? [closed]

Do aircraft designers look at the ratio of how much fuselage surface area can be loaded onto a given unit of wing and tail surface area including elevator, aileron, rudder etc? (Possibly, the surfaces ...
26
votes
4answers
14k views

Why is the fuselage on an airliner circular-shaped?

Consider the fuselage of an A300. I have noticed this not only with airliners, but also for private jets and turboprops: why is the fuselage circular-shaped? Why don't aircraft have square-shaped ...
6
votes
3answers
556 views

Are commercial aircraft required to have the model number painted on them?

On a lot of aircraft, the model number / aircraft name is clearly marked somewhere on the fuselage, e.g. "Airbus A320". Is there any rule or mandate, that all aircraft must bear the model number at ...
10
votes
3answers
3k views

How is a fuselage 'puncture' repaired?

Operator on phone, GoAir plane hits aerobridge How is such a 'puncture' repaired? Is the cabin pressurization also affected by such a puncture, and approximately what is the cost incurred to repair ...
1
vote
1answer
761 views

What makes fast decompression so dangerous for the fuselage?

There have been flight accidents which involved structural failure after fast decompression of the cabin, like BOAC Flight 781. I'm thinking about how decompression can destabilize or destroy the ...
0
votes
1answer
3k views

How to calculate the fuselage geometrical parameters?

How I can calculate the fuselage midsection having a constraint length? Also, if I want a cross section shaped like an Antonov that on top of it have a lower ratio than the bottom, as that is part or ...
4
votes
3answers
4k views

Why is the wing of large commercial jet aircraft usually located below the fuselage?

When the wing of an aircraft is located above the fuselage, the aircraft is generally considered more stable. When the wing of an aircraft is located below the majority of the fuselage, the aircraft ...
10
votes
1answer
2k views

What are the protrusions on the sides of the fuselage of the F-16I?

I've noticed that the F-16I has these protrusions on the sides of its fuselage. What purpose do they serve?
3
votes
1answer
395 views

Do fuselage rip/crack/damage sensors exist?

Are there sensors that can detect a rip, crack or damage in the fuselage skin by not using air pressure differential on aircraft?
21
votes
1answer
3k views

Why are cabin doors outlined with a different color than the fuselage?

On almost all airliners I have seen, the doors are painted inside a rectangle which appear to reflect more light. This is the case whether in the aircraft has its manufacturer's paint or an airline's ...
20
votes
2answers
3k views

What is the weight saving of windowless fuselage for cargo aircraft?

What is the weight saving of a windowless fuselage for cargo aircraft? Does anyone have a rough estimation?
5
votes
1answer
1k views

What would happen if someone covered a small hole in the fuselage of a plane with a soft body part?

If I punched a hole of the size of a small coin into the fuselage of a plane, and then covered it with the palm of my hand, what would it happen to my hand?
17
votes
3answers
15k views

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-...
8
votes
1answer
615 views

Would discharging a firearm in-flight cause an explosive decompression?

I was reading a BBC FAQ about Federal Air Marshals, which has this chilling quote in it: A gunfight on a passenger airliner is seen as an option only of last resort. Presuming an air marshal has ...