Questions tagged [feature-identification]
For questions about identifying a feature or design on an aircraft or airport.
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What is this probe on the Airbus A330 engine nacelle?
What is the purpose of the little probe seen under the A330neo?
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What is this missile extended beneath an F-104 Starfighter?
On a video posted on YouTube there is a short clip of some sort of rocket-powered device - presumably a missile - extended beneath an F-104 on a mechanical sling. It must have been lowered into ...
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What is this thing apparently attached to the bottom of this Caravelle's engine, and why is it there?
This Caravelle 10B appears to have something mounted on, or stuck to, the lower surface of its No. 2 engine nacelle.
(Image originally by clipperarctic at Flickr, via Russavia at Wikimedia Commons; ...
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What is this hole at the bottom of the DA40NG body?
This is the bottom of the fuselage of a DA40NG aircraft and where the right wing attaches to the fuselage. What is the thing I'm pointing at with the red arrow in the picture?
As it is written in the ...
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What is name of this part on a helicopter?
What is name of this highlighted part of helicopter and what is its use?
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What does this handle from the movie Flight (2012) do?
I wanted to ask about something that, as an aviation enthusiast I have never seen before, from the movie Flight with Denzel Washington. Perhaps the reason is is because it's a movie.
You pull these ...
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What is this aircraft-like object at Sea-Tac Airport? [duplicate]
Looking at the Seattle-Tacoma International Airport on Google maps, I noticed at 47°27'47.8"N 122°18'15.5"W something that looks like a jet aircraft, but with folded wings and a tiny ...
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What is the purpose of this box behind the yoke on a 737?
I was looking at the 737 cockpit when I found this apparatus behind the yoke. I have never seen it before and I have no idea what is does. Can anyone help me?
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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 ...
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What is this nose projection on the Tupolev Tu-95?
The Tupolev Tu-95 has this long and quite substantial appearing projection from it's nose just under the cockpit windscreen:
What is this? I initially though this might be a cannon but being a heavy ...
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Is this electrical socket found in aircraft?
I work for a a Public Utility in IT Asset Management, and we have been buying these auto air adapters (Dell's description) from Dell for our field workers. Each one comes with an adapter that goes ...
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What are those pylon looking things on the rear of this DC-8 wing?
(image source: airliners.net)
What are those humps on the rear of the wing? Are they external fuel tanks?
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What is this Beechcraft bonanza A36 wing feature?
can someone explain what is this thing on leading edge of bonanza A36 aircraft.
Thanks
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What is the round tube mounted on the roof just behind the windshield of a PC-6?
If you look at the below image:
(image source: Wikimedia Commons)
There are three "antennas" mounted on the forward portion of the cabin roof. The two rear, wing-shaped ones probably are ...
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What are those white things on the windshields of most Citation jets?
What are those white things on the windshield of most citation jets? Does it have to do with rain?
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What are the twin "air data booms" on the Su-22? [duplicate]
The Su-22 has two protruding "probes" at the nose. What are they? Air data probes (why two?)? Antennas?
https://www.airliners.net/photo/Libya---Air/Sukhoi-Su-22M3/1615286/L
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Can someone tell me what is this on the overhead panel of the Boeing 777?
I found this on the Boeing 777 and it was on the Captain's side behind the speaker.
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What are the reflective structures above and to the rear of the engines on a VC-25?
In this video at 7:04 we see the following view of a VC-25 (an aircraft frequently known as "Air Force One"):
What are the two shiny, gold-coloured structures above and to the rear of the ...
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What does this black lever next to the overhead panel on the Airbus 320 do?
What does this do?
It's located next to the overhead panel of an A320 cockpit.
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What is the piston/leg on the aft wall of the L-1011?
In this response to the APU location on an L-1011, in this image, there appears to be a large piston or leg extended downward along the centerline from the aft wall:
Modified: By Reedy (Own work) [CC ...
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What is the green arrow on the 777's airspeed tape? Does it exist on other types as well?
Image source: fsnews.eu
I found this green arrow on the primary flight display (PFD) of a 777. What does it show? I'm assuming it's for showing acceleration and deceleration but I am not too sure. Is ...
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What does the "High Alt Landing" guarded push button on the A320 exactly do?
I am aware that not all variants of the A320 are equipped with the HIGH ALT LANDING guarded push button. I know that it is pushed before landing at high altitude airfields. Was wondering what it does ...
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What is this jutting structure in the tail section called and what is its function?
I was wondering if there is a name for this particular structure on Su-27 and F-22 and if they serve any function?
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Why do most ARFF trucks tend to be so angular?
玄史生, CC0, via Wikimedia Commons
I've been looking at various types of ARFF (aircraft rescue and firefighting) apparatus, and while some rapid-response vehicles do appear to be more conventional, most ...
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What’s this on the J-10 fighter? [duplicate]
What's this on the J-10 fighter?
Source: wikimedia.org
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Why do propeller driven planes have intakes/inlets, such as this one on the P-51 Mustang?
Specifically talking about the p51, why do they have intakes? Don't propeller-driven planes not require any sort of intake because the propeller is what propels it by pushing air behind it?
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How does this instrument in a DA20 measure flight time?
Could you please explain how this counter works (in the picture)? I thought that it starts with propeller (so propeller starts moving so this counter), but seems it registers the pure flight - from ...
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What are these paint patches on this 787-8?
What are these paint patches on this British Airways 787-8 (G-ZBJB)?
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Drain line under drag chute door of F-4 phantom
What is this drain line under the drag chute door on the F-4?
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What are these white drops on the exhaust plug of a CFM56-7B engine?
Does anybody know what those white dried-up drops are?
I checked out another Boeing 737-800 on the ramp and it also had the same defect so I'm guessing this is a common issue, or is it?
This shows up ...
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What is the tapered cone on the B747 CF6 engine inlet cowling?
B747 and B767s are supposed to be using exact same GE CF6 engine, and as such their components are interchangeable including inlet cowl as they show to be effective in the IPC.
However some of the 747 ...
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What are these SR-71 "Ports" for?
In this video at the 2:40 minute mark there is a relatively clear image of the rear of a Blackbird. This is a new view - at least for me. Are those "ports" and, if so, what are they venting?...
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What is this unit above the autopilot panel in Boeing test aircraft?
I keep seeing this (more here and here) unit (maybe solely) in Boeing test airplane cockpits above the autopilot panel. Can someone tell me what is this and what the purpose of this big unit? Based on ...
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Is the fuselage of the CEA 311 Anequim configured as elliptical?
I am currently studying the effects of reduced drag induced by laminar flow on the subsonic aircraft. In order to complete that, I have believed I found the optimal fuselage which has the best ...
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What are those polygons on the Garmin avionics navigation display?
I'm not pilot yet, just an enthusiast having some fun in MSFS2020.
What do those colored lines mean in Garmin avionics?
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Why is there an intake in front of the landing gear on this C-160?
I went to a aircraft museum and saw this C-160, it has intake in front of the landing gear which is now blocked with the orange thing as you can see below in the picture below. Why is there an intake ...
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What is this pilot doing before boarding his F-15?
In this video ...
Fast takeoff of an F-15 Eagle from an air base in Iceland
... what is this one thing the pilot does on arrival, before climbing the ladder?
It looks like he's putting something, ...
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Can anyone help identify this turbine blade?
At the local army/navy surplus store and found this in a "junk" box. Got it for $1. Would live to know what airframe this came off of. Im new to this so compressor blade? Compressor turbine?
...
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What is the meaning of these stencils, usually found on military planes?
I am wondering what these markings (which I found both in the French Super Etendard and in the British Tornado) indicate? They may be something relevant for the maintenance crews.
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What are the two vents on the 777's left side behind the wing for?
— wikimedia.org; cropped
Those have always caught my eye and I always dismissed them as equipment cooling vents.
But, after finally remembering to check the flight manual, it turns out the equipment ...
user14897
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What is the purpose of the tiny doors used by the 787's laminar control?
The recent Oct 2021 YouTube video (The Insane Engineering of the 787 by Real Engineering) in the related question remarks:
[...] tiny doors whose purpose are a mystery to me with little to no ...
user14897
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What is that airport equipment that looks like an SMR but rotates like a windmill?
— YouTube
The one rotating horizontally looks like a standard Surface Movement Radar (SMR). But the one next it, rotating vertically (like a windmill or wind turbine), what is that? Wouldn't that be ...
user14897
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What is the metal sheet in front of the engine called on a Cessna 182 or similar?
I need to know the name of that metal sheet covering the front of the engine in small Cessnas (specifically the Cessna 182), just behind the propeller. I mean the one where the cowl plugs are put into:...
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What does the sound and flashing button indicate during this landing?
What does the sound in this YouTube video indicate? It is accompanied by a flashing button.
Does that sound indicate the touchdown of both the main and nose landing gear? The pilot also pressed the ...
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Which popular turboprop engine feathers its propeller blades with each shutdown?
Chapter 12 of the FAA Airplane Flying Handbook, discussing multiengine flying, goes into quite a bit of detail in the propeller section about how most feathering-propeller-equipped engines on ...
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What is the vertical rod on this Swissair DC-3 drawing?
What is this large protruding rod in the frontal dorsal section of this drawing of a Swissair DC-3:
The small rod extending from the nose I am assuming holds the pitot tube and serves as a mount for ...
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What's up with the long exhaust stack I saw on a Cessna Caravan?
Our local airport is regularly visited by Cessna caravans flying cargo. This week I saw one parked outside the FBO building that had its exhaust stack bent down to lead under the cowling, where it was ...
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Why are there missiles under the wings of this Dassault Falcon?
While browsing Flightradar this afternoon, I managed to land on this aircraft, but then I noticed that that's a Falcon 20D with a sort of missile pod under the wings; is that a training aircraft for ...
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What does the "MAX EMR PWR" lever do in a Quest Kodiak?
On a photo of the Quadrant of a Kodiak Quest 100 there was an additional red lever to the left of the throttle (black handle) labeled with "MAX EMR PWR". Can anyone explain what what this ...
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