Questions tagged [airport-markings]

Airside markings and signage found on or near airport runways, taxiways, and ramps.

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How often do large airports clean up the black stuff? [duplicate]

Looking at Seattle International as an example, the first third of the runway is covered with a dark streak of tire material that accumulated from landings. How often, if ever, is this cleaned up? ...
26 votes
1 answer
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Why are taxiway and runway centerline lights off center?

The centerline lights for runways and taxiways are to the side of the centerline itself by a few inches. This, of course, is not a problem, but why are the lights positioned that way? (Image: ...
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1 answer
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What is this black star symbol in the picture below? If it means a hazard with no altitude information, what kind of hazard is that?

What is this black star symbol in the picture below? If it means a hazard without altitude, what kind of hazard is that? A separate picture of similar symbol with altitude information:
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4 votes
1 answer
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What are these blue lines around the runway at the airport chart that I marked with red line?

What are these blue lines around the runway at the airport chart that I marked with red lines? They are not waterways or taxiways so what are they? Yenisehir Airport (LTBR): Adana International ...
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0 votes
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Perpendicular Distance between PAPI and Aiming point

We are in the middle of a new runway construction. The airport requested the aiming point to follow the PAPI. Should they be aligned head to head, or there can be some meters difference?
7 votes
2 answers
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Do we have orange runway markings? [closed]

As you can see in this picture, the runway markings are in orange or yellow.
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1 answer
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Holding position marking/signs

I thought that ILS holding positions marking are used only on taxiway but this runway seem to have them too. What is the usecase of using both the standard holding position marking(here yellow with 4 ...
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1 vote
1 answer
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How Do Airline Pilots Park Right on the Line? [duplicate]

I’m sitting here at the airport waiting on my flight and I’ve always wondered: how do airline pilots park those big birds (737s and above in size. I can understand smaller regional jets where you’re ...
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8 votes
1 answer
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What does a "runway hold position sign" denote?

I'm wondering why I got this question wrong, as I thought the point of hold positions were to protect aircraft from each other. Any ideas?
16 votes
2 answers
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Why are lat-lon coordinates written at parking bays in civil airports?

Why are coordinates marked at parking bays at civil airports?
2 votes
1 answer
297 views

How is the radius of the danger zone marking for engine inlets calculated?

Does the radius (shown below) take into account smaller objects (FOD), or only people? How is it determined? Source: Facebook
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18 votes
1 answer
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What's this turquoise stuff covering the overlap between the blast pads of KBOS runways 04L and 09?

Although runways 04L/22R and 09/27 at KBOS stop just short of intersecting, the blast pads for runways 04L and 09, which continue some distance beyond the ends of the runways proper, do intersect. ...
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follow up on the numbering system [duplicate]

with a runway 9/27 I am approaching from the east travelling in a westerly direction will I land at the 9 end or the 27 end? in other words, is the number on the end the compass heading or the ...
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11 votes
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Why would an airport use an L/R runway combination and a second number instead of L/C/R?

At KPHX, there's a Runway 25L/R and a runway 26. What would the reasoning be for using this instead of what seems to be the more common L/C/R designation?
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3 votes
1 answer
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Does lack of a curved taxi-line indicate a turn is not permitted?

Does the lack of a curved taxiway centerline between two taxiways indicate that a turn is not permitted? Take for example the complex of taxiway connections at KATL here: 33.636153, -84.421919 (see on ...
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11 votes
1 answer
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Is there a standard for required repainting of worn runway markings? In USA

Is there an FAA regulation or advisory circular covering the allowable wear, fading, or weathering of runway markings? I can find many FAA standards for the paint of fresh new runway markings, but I ...
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2 votes
3 answers
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Are there two types of runway holding position sign?

I came across this section on runway holding position marking while reading Jeppesen Airway Manual, which got me very confused. My question is: Is Pattern B describing another type of runway holding ...
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4 votes
1 answer
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Do these red stop signs apply to aircraft or only to vehicles?

I mean; do planes also see these signs on their way to runway? Or just cars and other vehicles encounter this stop sign on their service road or interconnection roads that are assigned to them?
6 votes
2 answers
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What is the meaning of this airport marking?

This mark is identified as a plane control marking and based on an apron surface. What does it mean?
2 votes
1 answer
442 views

What do these symbols mean?

What do these symbols mean in an airport?
26 votes
1 answer
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Why is it runway "1" instead of "01" in America?

In the case of a runway with a magnetic heading of 10° in America the runway number ("1") isn't hugely distinguishable from the runway centreline IMHO, (for example see Washington Airport and San ...
35 votes
1 answer
9k views

What are these criss-cross patterns close to Cambridge Airport (UK)?

To the immediate south of the runway at Cambridge airport, there are a large number of possibly-concrete things embedded in the grass. I'm not sure whether they are have any aviation-related function,...
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33 votes
2 answers
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Why are Oscar, India, and X-Ray (O, I, and X) not used as taxiway identifiers?

An old CAR "Licensing of Aerodromes" document indicated that taxiways may not be designated by O, I, or X. Is this still in effect today? Why were (or are) those not used as taxiway identifiers? My ...
3 votes
2 answers
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When do pilots hold behind ILS Critical area?

I understand the puropse of the ILS critical area. But I have never operated at an airport having an ILS critical area. So I do not know when pilots hold outside the critical area but not at the RWY ...
3 votes
2 answers
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What does an "X" at only one end of the runway mean?

I came across aerial imagery of a dirt strip in northern Idaho with a white "X" at one end of the runway, but no markings at the other. Does this mean the runway is only closed in one direction, or ...
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28 votes
2 answers
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Why is one of Madera Municipal's runways labelled with only "R" on both sides?

I was looking on Google Maps satellite view and noticed Madera Municipal Airport in Madera, CA (ICAO KMAE) has an east-west runway labelled with nothing but the letter "R" on both sides. There is no ...
30 votes
1 answer
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What are the slash markings on Gatwick's 08R/26L?

Google Earth @ 51°08'52.24" N 0°11'35.71" W The markings are at 100 m intervals, to one side only of the centerline. They're also lighted as seen below. They are missing from the ICAO aerodrome ...
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0 votes
2 answers
6k views

Why is there conflicting nomenclature for the 1,000 ft runway markings?

The two thick solid lines on runways at 1,000 ft from the end of the threshold are called "fixed-distance markers" in some documentation, and in others, it is called the "touchdown zone ...
2 votes
0 answers
38 views

How is The Published Runway Touchdown Zone Elevation Decided?

The touchdown zone of a runway can be up to 3,000 feet long if the information I have is accurate. How is the published Touchdown Zone Elevation determined? Is it the center, an average of the ...
1 vote
0 answers
387 views

What are the different vehicle roadways markings?

I was going through the AIM (Aeronautical Information Manual) chapter 2, which talks about airport lights and markings. There are 2 types of lines that designate a vehicle roadway. One is a solid line ...
13 votes
1 answer
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Why isn't KTEX's runway designation 10/28 instead of 9/27?

Why is the marking on the runway written as (9/27) Telluride (KTEX), Colorado, USA. whereas the direction is 284 degrees? Shouldn't it be (10/28) instead?
13 votes
2 answers
2k views

What does the sign "Caution your blast" mean?

At London City Airport (LCY) there exists a "CAUTION YOUR BLAST" sign. This isn't one I've seen before. What does it mean?
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6 votes
1 answer
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What do these ramp markings mean at KIFP?

As a pilot, what do I need to know about these ramp markings at KIFP? Are they operationally significant?
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6 votes
1 answer
303 views

NOTAM - What means "no shoulders along taxiways" in German?

can anyone explain to me what "no shoulders along taxiways" means? I know what shoulder markings are, but I don't know how to translate them. Are there German people? :) Thank you!
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2 votes
2 answers
432 views

Why aren't runway numbers painted in a higher aspect ratio?

I'm watching a lot of aviation youtube channels and it seems to me that when attempting a landing on a "normal" glide path, it must be quite hard to read the runway numbers until you're on short final,...
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6 votes
2 answers
908 views

Do seaplane bases ever have marked "runways" or approach lighting?

Some seaplane bases have prescribed areas for landing, but are the landing areas marked by buoys or lights? If so are "runways" outlined in the water or just a general area? Do they have IFR ...
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14 votes
2 answers
2k views

Are taxiways numbered in a predictable order?

When taxiing at an airport without a full-blown airport diagram (most commonly, a non-towered airport), how does a pilot know whether taxiway A (Alpha) is on one end of a runway, or the other? Or, in ...
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8 votes
1 answer
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FAA Commercial Pilot Knowledge Test: Sign Question

This image appears in the FAA Test Supplement Commercial Test FAA-CT-8080-1E but I am unable to find it in the AIM or the Pilot’s Handbook of Aeronautical Knowledge. I looks like a don’t taxi here ...
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6 votes
5 answers
612 views

Do different planes (category) aim differently in the 'final stages before flaring'?

(youtube.com) Do different planes (categories A through D) aim differently in the final stages before flaring? I'm asking about precision runways. The reasons I ask: An ILS' glide slope is not ...
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14 votes
1 answer
3k views

Why is the aiming point distance shorter in the US vs. Europe for long runways?

In essence, if you compare EGLL and KJFK (but it works for other airports too) you would see that US airports generally adhere to the rule of 1000 ft in distance between threshold and aiming point ...
3 votes
1 answer
792 views

What regulations discuss the red/white marked areas on a tarmac at a terminal?

This is the terminal at KSTS. Someone mentioned to me that your can't overfly this area. (I fly helicopters direct to the ramp adjacent.) What regulations discuss this? I don't see it in the AIM.
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27 votes
2 answers
9k views

What does RTF mean?

There is a sign in Tempelhof airport in Berlin. What does the abbreviation RTF mean? I tried to google but found nothing.
8 votes
2 answers
2k views

Can a runway have a displaced threshold and a closed section in the same area?

There is tricky question we weren't able to find a clear answer to. Following roughness tests we decided to close part of the runway to all aircraft movements (1400 ft out of a total 3000 ft runway). ...
4 votes
1 answer
334 views

What is the difference between the red and black box identifiers on UK airport charts?

On UK airport charts like the one below for Manchester (EGCC), what is the difference between an identifier with white lettering on a red square and one with yellow lettering on a black square with a ...
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7 votes
1 answer
536 views

Is it permitted to deviate from yellow lines, during taxi?

During taxi procedures, the pilot should follow the yellow lines, to avoid a collision with any obstacle or even with another aircraft. Is the any situation, which the pilot can deviate from the ...
0 votes
1 answer
563 views

Do runway markings vary from country to country?

I understand that most of the airports should follow FAA/ICAO for runway markings but most of the countries have their own standardization orgs. So, how much do the runway markings vary from USA to ...
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4 votes
1 answer
5k views

What are the dimensions of the parking apron?

What are the approximate dimensions of the apron aircraft zones, ramp, aircraft stands such as Airbus A380, Boeing B737, F16.
6 votes
1 answer
321 views

Is there a regularized width of yellow taxiway ground bands?

What is the width of the yellow stripes that are painted on the ground of the taxiway? Is it the same on the whole taxiway or does it vary from an area to another? Is it mentioned in the aerodrome ...
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4 votes
1 answer
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What is the runway holding short line on Taxiway B between B2 and B3 at KFAT for RWY29L?

At Fresno Yosemite International Airport (KFAT), I was instructed to taxi to RWY 29L via B11, B from Signature Support. When passing B3 and approaching RWY 29L end, I noticed there is one holding ...
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6 votes
1 answer
368 views

What is this odd large sign near Aalborg airport/millitary airport?

I have recently moved to Aalborg in denmark and while riding my bike each morning I cycle past these large signs pointing out into the water. I assume they are for aircraft at the nearby millitary/...
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