Questions tagged [airport-markings]

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

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13 votes
2 answers
2k views

What are the curved centerlines at taxiway intersections for?

At all airports where I've looked out the window during taxi, the taxiway intersections have been painted with nice circular arcs connecting (the centerline of) each entry to the intersection with ...
1 vote
1 answer
124 views

Why are the symbols of the markings on the ground given differently on two different charts of the same AIP?

Why are the symbols of the signs on the ground given differently on two different charts of the same AIP? As can be seen in the images below, the ground markings in the same region on the airport ...
27 votes
2 answers
4k views

How are the dry lake runways at Edwards AFB marked, and how are they maintained?

In addition to its paved runways, Edwards AFB in California has several runways on the bed of Rogers Dry Lake, famously used in the past for (among other things) Space Shuttle landings. Satellite ...
6 votes
2 answers
325 views

When does taxiing become taking off?

When there is a relocated runway threshold, the PHAK says: When the threshold is relocated, the closed portion of the runway is not available for use by aircraft for takeoff or landing, but it is ...
6 votes
1 answer
345 views

Runway distance remaining signs outside of USA and/or in meters?

Are there runway distance remaining signs used outside of the United States (and territories)? From what I can tell by reading this document (p. 50), these are standardized by the FAA (§ 2-3-13), but ...
1 vote
0 answers
82 views

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? ...
3 votes
2 answers
3k views

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 ...
26 votes
1 answer
6k views

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: ...
0 votes
1 answer
967 views

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:
5 votes
1 answer
815 views

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 ...
6 votes
5 answers
666 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 ...
7 votes
2 answers
753 views

Do we have orange runway markings? [closed]

As you can see in this picture, the runway markings are in orange or yellow.
0 votes
0 answers
104 views

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?
1 vote
1 answer
688 views

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 ...
1 vote
1 answer
309 views

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 ...
8 votes
1 answer
3k views

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?
28 votes
2 answers
4k views

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 ...
16 votes
2 answers
5k views

Why are lat-lon coordinates written at parking bays in civil airports?

Why are coordinates marked at parking bays at civil airports?
3 votes
1 answer
449 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
18 votes
1 answer
1k views

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. ...
11 votes
1 answer
679 views

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 ...
4 votes
1 answer
391 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 ...
0 votes
1 answer
58 views

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 ...
11 votes
2 answers
2k views

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?
3 votes
1 answer
244 views

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 ...
2 votes
3 answers
4k views

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 ...
22 votes
1 answer
5k views

What is "judgemental oversteering" in taxi procedures?

I found a phrase that I don't understand while reading Jeppesen charts: "judgemental oversteering". I found it in general information about taxi procedures. As I understand this procedure applies ...
7 votes
1 answer
606 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 ...
6 votes
2 answers
2k views

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?
4 votes
1 answer
305 views

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?
2 votes
1 answer
656 views

What do these symbols mean?

What do these symbols mean in an airport?
26 votes
1 answer
3k views

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,...
6 votes
1 answer
316 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!
34 votes
2 answers
10k views

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
6k views

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 ...
30 votes
1 answer
3k views

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 ...
28 votes
1 answer
4k views

What is this white rectangle painted on runway 23 at KCRW?

(Related to this question.) Runway 23 at Charleston, WV (KCRW) appears to have a (roughly) 500' x 50' white rectangle painted on the touchdown zone (I've added red arrows pointing at each end of the ...
0 votes
2 answers
8k 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
47 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
581 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
2k views

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
3k 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?
6 votes
1 answer
397 views

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?
11 votes
2 answers
12k views

How do you calibrate the compass of an aircraft on a compass rose?

A follow-up from this question; one of the answers mentioned that the compass rose in the picture was used to calibrate an aircraft's compass. But how does that actually work? Do you park the ...
2 votes
2 answers
452 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,...
6 votes
2 answers
1k 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 ...
14 votes
2 answers
3k 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 ...
8 votes
1 answer
3k views

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 ...
15 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 ...