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Questions tagged [aircraft-marking]

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9
votes
2answers
2k 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?
12
votes
1answer
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 ...
7
votes
1answer
410 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?
29
votes
2answers
2k 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, ...
9
votes
1answer
2k 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?
8
votes
2answers
3k 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?
14
votes
1answer
2k views

Why is there an ETOPS marking on the nosewheel door?

As discussed in this question, ETOPS stands for extended range standard, a class of aircraft that have been demonstrated reliable against a given standard, and can operate at a greater flight time ...
7
votes
2answers
2k 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.