Questions tagged [feature-identification]

For questions about identifying a feature or design on an aircraft.

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6
votes
1answer
200 views

What is this strange thing under Tu-95 which looks like a horse-fly's eye?

I was seeing this photo and saw an strange thing under the bomber. Too much looks like a compound eye. What could be it?
3
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1answer
173 views

What's the name of this part of combustion chamber and what is it for?

There are two "excrescences" Near the end of diffuser of some combustion chambers. e.g. CFM56 and F101 What's the name of this part of combustion chamber and what is it for?
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0answers
87 views

What's this outlet of IAE V2500 for? [duplicate]

Anybody knows what is this outlet for and why it is designed in such way? Edit: On MD-90 didn't see such thingy
8
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1answer
642 views

What's this part on the wing of BAE Systems Avro 146-RJ100?

It was always a question that what's this part on the wing of BAE Systems Avro 146-RJ100: Is it kinda aerodynamic component?
1
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2answers
122 views

Is this new intake of Airbus and Boeing aircraft's NACA inlet?

Anybody knows the name of this intake? look at the bellow images: Why don't Airbus and Boeing use the conventional NACA inlet? Why did they invent this kind of intake? I can see some parts of these ...
1
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0answers
48 views

What are these two circular areas on the fuslage of Fokker 100? [duplicate]

There are two circular areas on the fuslage of Fokker 100 which are shown in the bellow image. What are those? Why are the above these two areas written "do not paint"?
2
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1answer
292 views

Does anyone recognise this jet engine?

sorry for the terrible quality, it's what I've got. I've not been able to find anything looking like it using google image search. It looks too detailed for a random bit of clip art. Possibly around ...
0
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0answers
60 views

Why do some aircraft series have an extra window? [duplicate]

Take a look at these two Boeing 717s, in some cases they have an extra window. why? Another instance. Boeing 737:
4
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1answer
211 views

What is this intake bottom the wing of C-5 and why is it placed there?

There are two intakes bottom the wings of C-5. What are those and why are they placed there?
12
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1answer
1k views

What is this hole above the intake of engines of Mil helicopters?

Almost all the helicopters designed and manufactured by Mil have a hole above the intake. e.g. What is it for? APU? Other helicopters made by this company:
4
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1answer
333 views

What are these crevices below the wing of B-52 bomber?

What are these crevices below the wing of B-52 bomber?
23
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3answers
3k views

What is this part which is mounted on the wing of Embraer ERJ-145?

Take a look at the yellow parts which are mounted on the wing of an Embraer ERJ-145. What is it? Two closer images: From bottom:
10
votes
1answer
2k views

What is this part of an aircraft (looks like a long thick pole sticking out of the back)?

On the website of Kenn Borek Air (an airline specializing in Arctic / Antarctic operations), on this page at the bottom, you can see the following picture: It looks like a long thick pole sticking ...
17
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2answers
3k views

What is this turbine engine panel that opens on landing?

Tonight I flew from Munich to Dortmund on an A319 and I happened to sit just above the wings and turbine on the right side. Upon landing, the turbine opened a window or panel which exposed some grid ...
17
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2answers
5k views

Are these two objects in cockpit of Antonov - AN 225 Mriya fans for air? What is their purpose?

In the above image, we can see two black objects that look like ceiling fans. This is just a reference image, but I am pretty sure that I have also seen small table fans mounted in cockpits of large ...
23
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1answer
4k views

What is this strut in biplane rigging, attached only to wires, not bearing any load?

A few biplanes like the Stearman have a strut parallel to the fuselage, halfway along the rigging's landing wires and flying wires, not fastened to the airframe, not bearing any obvious load. One on ...
2
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2answers
227 views

What is that wire connecting [duplicate]

What is that wire connecting the tail fin to the fuselage in beechcraft 1900 and so many other airplanes
30
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1answer
4k views

What are these Lights on the Center Column between Cockpit Windows on the A320?

I have always noticed there is what appears to be three lights on the center column, which separates the pilot and copilot window of the Airbus A320 family. From the looks, the center light is red and ...
5
votes
1answer
245 views

What is this part on the Me 262?

I have seen this part on a me 262 model kit but I don't know what it is... I've make some research on it but I find nothing! Maybe it can be radar, or a weapon? Do you know what is this? And also its ...
25
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6answers
8k views

What's this black rectangle painted on the side of a V-1 flying bomb?

A friend sent me a photo of the V-1 flying bomb on display at the Air Zoo in Kalamazoo. What's the black painted rectangle on the side of the fuselage? The writing isn't much help... Nicht auftreten ...
4
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2answers
3k views

What are these “winglets” on the roof of the 737?

I circled the parts on the fuselage in red.
16
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2answers
12k views

What are the bumps in the F-22 Raptor wing for?

As you can see in the picture there are several bulges or bumps in the wing that are located in the aileron and flaps. Somebody told me these are to hide the linear actuator, pushrod, and control horn....
0
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1answer
278 views

What are the names of the antennas which I have marked in this picture of a Boeing 737?

I have taken the picture from PMDG 737NGX Microsoft flight simulator X. I am really curious to know what this antennas are. These antennas are behind the nose gear.
11
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1answer
1k views

What is this thing on a FDX MD11 (MD10?)?

I assume something forward looking; not sure why there and how they got this to play nicely with radar
0
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1answer
145 views

What is this sheet on a Super Étendard?

What is this sheet on a Super √Čtendard ? As seen on
1
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2answers
386 views

Why does the IL-76 have a lump at the bottom of its nose?

Why does the IL-76 have this lump at the bottom of its nose? Why can't it be gotten rid of?
7
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1answer
581 views

What is this metal piece sticking up on the roof of a 182?

My CFI and I were stumped as to what the purpose of this metal piece is on the roof of a 182. I couldn't find anything from searching Cessna POHs/docs online... Any ideas? Here is a close-up:
1
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1answer
363 views

What is this part on a Cessna 172 engine?

Can any one tell me what this tube with the red is? This is a photo of a 1977 Cessna 172 engine. Looks like the tube is directly connected to the top of the crankshaft.
10
votes
1answer
373 views

What is this extension at the tip of the Supermarine Southampton's wing?

Looking at this Wikipedia image of the Supermarine Southampton flying boat, I noticed what at first looked like a small wheel. But then I thought it couldn't be, as a wheel would be pointless in a ...
2
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1answer
197 views

What is that sensor on the Airbus A220?

What is the that sensor in the picture?
2
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1answer
202 views

What is this long Bar/Rod on the Boeing MH-47G? [duplicate]

This MH-47G has a thick, long rod at the bottom left front. What's the purpose of this thing?
0
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1answer
960 views

What is this mysterious thing on the vertical stabilizer of the Boeing 707?

Have you ever seen this mysterious line-shaped thing on the vertical stabilizer of a Boeing 707 or 720? What purpose does this thing do?
3
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1answer
318 views

What is this little strake on Cessna 182 vertical tail?

can somebody explain what is the reason of mounting this little horizontal strake on a Cessna 182 vertical tail?
16
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1answer
2k views

What is the asymmetric feature on the rear of a Sukhoi Su-47?

I saw this part on the rear of the Sukhoi Su-47 Berkut, and I can see that it is asymmetric. Is it maybe for interference, or is it a take-off aid because the Su-47 is a STOL plane? What is it and ...
0
votes
1answer
110 views

What's this prominience in the B737? [duplicate]

I have recovered some spotting pictures that I made long ago and I came to realize an upper prominence in the fuselage of this Norwegian Boeing 737. I don't remember to have seen it in other 737s. ...
1
vote
1answer
155 views

What is this device on the nose of an MD-11? [duplicate]

In the following photo there is some sort of cover or opening (for an optical device I assume) on the nose cone. What is this and what is the system behind it? (link to source)
2
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1answer
162 views

What Is This in The Top of IL-86VKP?

What Is This in The Top of IL-86VKP?
1
vote
1answer
356 views

What is that A340 cockpit panel on the glareshield?

I want to know the panel's name and how it works. This picture is an Iberia Airbus A340-600
4
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1answer
336 views

What Is this on the fuselage of The Fokker F100? [duplicate]

What Is this on the fuselage of The Fokker F100?
3
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1answer
210 views

What are these strips on HAL Tejas?

What are these strips on and below the tail of this HAL Tejas?
7
votes
1answer
1k views

What is this object on the tail of an F-16?

Source: skytamer.com What is the object on the tail of this F-16 (next to the serial number)?
13
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1answer
2k views

What are these small engine inlets on the Super Hornet?

Does anyone know what these two small variable inlets on top of the engines are used for on the Super Hornet? Source: navy.mil; cropped
10
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3answers
4k views

What is the piece that covers the top part of tires?

I would like to know the name and the usefulness of this piece that covers the top of the tire of some planes, such as some Cessnas.
6
votes
1answer
329 views

Why does Google's Wing drone have dimples?

The question What operational aspects of Alphabet's Wing drone delivery service will be the same as that of an airline? includes a cropped photo of a google drone from FAA Certifies Google's Wing ...
13
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3answers
784 views

What are these pipes on an Avro Vulcan?

As you can see above, there are two small pipes next to the main engine exhausts on this Avro Vulcan(the one at Duxford). I'm curious what these pipes are/what they are for. Are they fuel dump pipes? ...
5
votes
1answer
290 views

What are these “portholes & panels” on the fuselage of the Omega Tanker DC-10?

If you take a look at the photo (source: still from this YouTube video), you'll notice a pair of "panels" on the fuselage of this Omega Tanker DC-10 (reg: N974VV), circled with green. There is also ...
3
votes
3answers
534 views

Why does the UH-1 Huey have a hump at the rear of the cabin?

Why does the Huey have this weird hump as shown in the picture? For some system? Why not remove it? https://www.helis.com/h2/uh-1h_seats.jpg
5
votes
1answer
415 views

What is the purpose of the air inlets on an A320neo's pylon (LEAP-1A)?

What is the purpose of the air inlets on an A320neo's pylon (LEAP-1A)? Passive cooling, air bleed like in the 707, or something else?
12
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1answer
1k views

What are these hooks and tassels on the nose?

What are the hooks and tassels hanging down from the nose of this aircraft?
9
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2answers
1k views

What is that pitot-like device under the left wing of the Cessna 152?

Source: tkaviation.net I suspect it's related to the fuel system, but it's only found on the left wing (see the yellow circle, not the pitot-tube). I haven't been able to find the right keywords to ...

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