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Questions tagged [aircraft-marking]

Questions regarding miscellaneous markings on aircraft, their identification, and the purposes thereof.

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11 votes
1 answer
463 views

Why did the F-4 Phantom have quite so many stencilled messages?

Anyone who has built a model of a US Navy or Air Force F-4 Phantom will know the misery of attaching literally hundreds of tiny stencilled informational notices all over its body. Eduard 1:48 Tamiya ...
Party Ark's user avatar
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15 votes
1 answer
2k views

Why does this Curtiss Kittyhawk have a Question Mark in its squadron code?

There is a Curtiss Kittyhawk 1V undergoing restoration in the RAF Museum in London, with an unusual squadron marking. A comprehensive history of the aircraft can be found here, which says: The ...
Party Ark's user avatar
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9 votes
1 answer
432 views

Why is this Cessna flap position indicator marked so irregularly?

Look at this flap position indicator as found on Cessna 310 models: (source: eBay) I would have expected it to be marked at 5° intervals, but it is marked irregularly instead (apart from the "...
TheEagle's user avatar
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40 votes
1 answer
9k views

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.
Marcello Rosa's user avatar
1 vote
1 answer
190 views

What are the degree markers on the tail of this MD-10 for? [duplicate]

I took this picture of of Orbis's McDonnell Douglas MD-10-30. Tail: N330AU. What purpose do the 0 and 2 degree markers serve?
TayE's user avatar
  • 6,595
9 votes
1 answer
786 views

Why paint a British roundel on a non-British Lynx?

In recent years, some of the Westland Lynx helicopters of the Portuguese Navy have undergone some form of mid-life update (MLU) in order to have their engines and avionics upgraded. Also, allegedly, a ...
Rodrigo de Azevedo's user avatar
-1 votes
1 answer
218 views

What does this logo on prototype aircrafts or cars for test mean? [duplicate]

Sometimes on prototype cars or aircrafts we see a logo just like BMW logo. e.g. Why? What does it mean? What is it for?
Roh's user avatar
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10 votes
2 answers
717 views

What is the yellow marking underneath Delta A220 doors?

I've recently noticed a yellow marking underneath the left door of Delta A220s. It's a yellow rectangle with a black T on it and it is exclusive to Delta and no other airlines on the A220. Any ideas ...
Ja380's user avatar
  • 689
11 votes
3 answers
984 views

Why is the angle of the horizontal stabilizer marked on the fuselage?

Why are the angles displayed on the fuselage? I understand having markings with depth on the hull of boats, but I don't understand the use case on a plane. Photo of the root of the trimmable ...
Thomas's user avatar
  • 267
21 votes
1 answer
5k views

What is the purpose of the black and white stickers on test aircraft?

I want to ask what is the purpose of black and white stickers used on test aircraft. The following is a picture: I have seen variations of such stickers. Does anyone know what is reason for their ...
Jake's user avatar
  • 313
7 votes
1 answer
1k views

Checkerboard painted on fuselage of Boeing test aircraft

What is the purpose of the four square block checkerboard painted on the aft fuselage of Boeing's flight test aircraft? It is either break in markings for fire rescue or some sort of optical ...
Kim's user avatar
  • 81
10 votes
2 answers
16k views

What is the meaning of the letters on the side(s) of WWII British aircraft?

WWII British Spitfire and Hurricane had identification letters on the side of fuselage. Do they have a specific meaning? How are the letters chosen?
Doug's user avatar
  • 101
13 votes
1 answer
2k views

What is this red dashed line between door and cockpit window?

I noticed this dashed line located between the door and cockpit window on this 737-300 while boarding this exact aircraft at Ibiza airport. It seems to have text beside it but I did not have time to ...
Paul M's user avatar
  • 131
9 votes
1 answer
976 views

What are these markings under the passenger door?

Is there anybody who can explain what the markings just below the passenger door edge do?
GolfCharlie's user avatar
31 votes
2 answers
4k views

What are these 4 red spots on the A-10?

What are these 4 spots on the wings and fuselage of the A-10? I can't seem to find a closer shot of their wings but each spot looks like a small target with a dot and an outer circle, mostly in red, ...
Nguyễn Tuấn Danh's user avatar
9 votes
1 answer
7k views

Are the size and location of the registration number regulated?

On modern airliners, how large are the registration numbers? I know they are on the tail, but are they also under a wing? Do the regulations vary by country? If so, what is the US regulation?
Lilrags16's user avatar
  • 183
8 votes
2 answers
8k views

What are the RVSM Critical Area markings?

I couldn't find any image to show you what I'm talking about but on many aircraft there are markings around the static ports and the pitot probes that say RVSM Critical Area. What is this?
user13197's user avatar
  • 11.4k
19 votes
1 answer
8k views

Why is there an ETOPS marking on the nosewheel door?

What is the reason for painting ETOPS on the door of the nose gear? "ETOPS" marking on a B737-800 (source) Markings on the belly are supposed to be useful for ground handlers, what is it supposed ...
mins's user avatar
  • 74.5k
7 votes
2 answers
4k views

What's the purpose of this red marking on the fuselage of a Boeing 737?

I was watching some aircraft today and noticed a red marking on two of them. What is that? I've seen that marking on many other aircraft.
user13197's user avatar
  • 11.4k