Questions tagged [airport-design]
Questions about the planning and design of airports: both the manoeuvring area itself, and the services and passenger facilities.
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Do any airports have runways or taxiways that cross active rail lines at grade?
Gibraltar has a runway which crosses an active road at grade (which, due to the peninsula’s geography and the resulting constraints on the airport’s location, happens to be the main road connecting ...
31
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1answer
7k views
What is the purpose of a walled area in the vicinity of Heathrow Airport?
Looking at a satellite map to the East of Heathrow Airport, there is a small passenger jet parked in a walled off area. Looking at the aerodrome chart the entire area is listed as Bealine Base, which ...
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0answers
43 views
Aerodrome category, certification?
I need to know how you tell the certification of new airport just built? how can you tell if airport is certified for International flights or not? approved for intl flights or not meeting ...
17
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2answers
4k views
What do these white on red words indicate on a London Heathrow taxiway chart?
What do the words in white block capital letters over a red background denote on this aerodrome chart of LHR?
1
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3answers
356 views
Why don't airports have weigh stations to prevent overweight takeoffs?
Currently, ensuring that an airplane isn't overweight when it takes off relies on the cargo handlers loading the aircraft properly and accurately documenting (on the weight-and-balance sheet) what ...
22
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1answer
5k views
Is it possible to drive into Gibraltar Airport's runway?
The runway of Gibraltar Airport crosses an active 4 lane highway
Example Video.
My question is are there any security measures which prevent normal traffic from entering the airport through the ...
15
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2answers
1k 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 ...
50
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13answers
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Is there any combination of two airports that are connected via taxiways?
Are there any 2 (or more) airports that are ground-connected so that e.g. aircraft can taxi between them? Would that be even possible from a definition point of view, having a common area with two ...
1
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2answers
177 views
What runway materials reduce skidding in wet conditions?
What are the possible materials that can be used on a runway, so as to reduce the plane speed and certainly stop the plane while preventing skidding when the runway is wet?
3
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1answer
225 views
Are there any airports that require arriving/departing flights to fly under an obstruction?
Are there any airports with approaches and/or departures that require pilots to fly under an obstruction at some point (thus meaning that, for at least a short segment of the approach or departure, ...
17
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2answers
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Why so much ground time at Frankfurt Airport?
Disclaimer: Total layman here.
I frequently fly into and out of Frankfurt Airport (FRA) with regional jets (flight time advertised as 45 minutes) and one thing that everyone is always annoyed about ...
2
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7answers
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Has this “straight through” airport design ever been contemplated?
Here's an airport, with some planes on the various runways/taxiways and some using the terminal ..
(airliners in green)
Airport/terminal design is really tricky.
There are many spatial problems ...
2
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2answers
253 views
Why are some taxiways named with two characters?
The picture above is a diagram of the Taoyuan Airport, Taipei, and as you can see in the diagram, some taxiways are named with two characters like “NC, NP, WC.” My question is: Is there any good ...
7
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2answers
315 views
Do any airbridges move vertically to match arrival/departure halls?
One of the things that always baffles me is that airports almost always have the arrivals and departures sections on different levels, but that you exit the aircraft into the departures hall. In some ...
7
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3answers
1k views
Why not a second airbridge at the back? [duplicate]
Airbridges slow boarding and disembarking because (normally) there's only one door in use. But... why?
Now the most obvious reason would be that it's very easy to have the aircraft pull forward until ...
4
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1answer
388 views
Why is there such a long displaced threshold on 22R at JFK/KJFK?
This video seems to raise a whole bunch of questions, but here's one I have:
Why such a long displaced landing threshold on 22R at JFK/KJFK? (Scroll down to the 4L/22R section for details.)
...
7
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2answers
844 views
What is the purpose of this loop in a taxiway?
This image is of Mariscal Sucre International Airport near Quito, Ecuador. (Official site / in English)
What is the purpose of the loop in the taxiway plainly visible in this image?
From Google ...
2
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1answer
208 views
Are taxiways always one-way towards a specific, fixed direction?
I was studying the airport diagram of JFK and I began to wonder if aircrafts use taxiways as a one-way road. In case they do, is the direction of a taxiway fixed or does it change according to the ...
2
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1answer
462 views
How can I calculate the Obstacle Free Zone of an aerodrome?
How can I calculate the Obstacle Free Zone of an aerodrome?
2
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3answers
809 views
Why do simultaneous-ops parallel runways need to be so far apart?
In the answers to this question about Denver's widely-scattered pinwheel of runways and this question about Schiphol's runway out in the middle of nowhere, it's mentioned that parallel runways are ...
1
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1answer
2k views
What is the difference between a Stand and Gate in Airports? How do they differ ?
I have seen Aircrafts having been assigned a Stand and Gate, So wanted to know whether the stand and gate are same physical location of airport or they are different but have link between them.
11
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1answer
817 views
Are there any “captains-only” airports in the U.S.?
Some airports in the world only allow captains to take off or land the aircraft, due to airport design or environmental conditions (obstacles, high winds).
Examples include:
Funchal (Madeira, ...
10
votes
1answer
561 views
How will aiport operations at KOAK be affected when taxiway W is promoted to a runway?
For the record, my question is not about mistakenly using a taxiway as a runway.
I've noticed recent changes to the sectional and TAC VFR maps around Metropolitan Oakland International Airport (OAK/...
7
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1answer
299 views
Why is London City getting a virtual tower?
(Source)
London City is not a remote-low-traffic airport. Staffing a remote airport is like having lighthouse keepers. That I understand.
And yet the tower will be closed, and moved off-airport to ...
3
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2answers
288 views
Are gate ramps sloped?
If you’ve ever seen an airliner park at its gate, you’ll likely note that sometimes it will move beyond slightly beyond its designated parking line. However, you may see that after the brakes are ...
17
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4answers
1k views
Why does the Las Vegas Airport have three control towers?
Why does the Las Vegas Airport have three control towers? I just noticed, and I find it a little weird. There should only be one... Does anybody know details on how this came about? And how they work ...
4
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1answer
1k 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.
5
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1answer
247 views
Why all the taxiway construction at PHL?
Perusing Google Earth around Philadelphia, I noticed some new taxiway construction at PHL/KPHL. The "time machine" feature of GE shows this to be new (latest imagery data is May 2016)--the paved ...
7
votes
1answer
522 views
Telluride (KTEX): Why is the localizer antenna located where the glideslope should be?
Telluride (KTEX) in Colorado, USA:
Source
As visible, the localizer antenna for RWY 09 is located where the glideslope antenna is usually found, abeam the touch down zone. The localizer is normally ...
7
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2answers
1k views
Why building a stopway instead of just building a longer runway? [duplicate]
I don't get the point of building a stopway. If you have the space to build a stopway, you could just extend the length of the runway.
Why are stopways necessary?
76
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4answers
11k views
Why do control towers have tilted glass panels?
Almost all control towers I've seen have tilted glass panels:
Amsterdam-Schiphol tower (EHAM), source.
What is the reason behind this choice?
How is the tilt angle determined?
3
votes
1answer
496 views
What is the circular pavement at the end of a runway called? [duplicate]
What is the circular pavement at the end of a runway called where aircraft turn 180 degrees to then backtrack? Is the term runway turning bay appropriate for that?
The problem is that there is a ...
6
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3answers
4k views
Why are most runways laid out in a generally East-West direction?
Runways are named by a number between 01 and 36, which is generally the magnetic azimuth of the runway's heading in decadegrees. From what I have read, most airport runways are aligned along an East-...
4
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3answers
489 views
Would it be viable to use jet blast deflectors as a power source?
From an environmental point of view would installation of windmills just before jet blast deflectors provide enough power to power up all machinery at airports? How much of a reduction in reliance on ...
27
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3answers
8k views
Why is Heraklion airport a 'captains only' airport?
I was recently watching "EasyJet: Inside The Cockpit" and it said pilots need 4 shoulder stripes to land at Heraklion International Airport, “Nikos Kazantzakis” (IATA: HER, ICAO: LGIR), but it didn't ...
4
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1answer
634 views
How are the navaids that are on the airport ground powered?
How are navaids (such as the ILS localizer) that are on the airport ground powered? Are they connected to the airport's power? Do they have their own backup power?
3
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1answer
261 views
How far from a taxiway, can a walking or biking trail be built?
How far from a small single runway airport's taxiway, can something like a walking or biking trail be built?
3
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2answers
520 views
Why are many runways used just for departures/arrivals?
At LAX and many other large airports they designate certain runways for landing or takeoffs Normally. Why is this? I think its inefficient use of available runways.
5
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2answers
767 views
For designing a runway, what are the largest cargo airplanes in use?
I am working on a project where I have to design a runway for large cargo planes and I need to know what kind of planes I should assume would land there.
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4answers
4k views
Why do some airports have more than 2 runways, when LHR can get by with 2?
I was looking at aerial imagery of various airports and noticed how some have a large number of runways (4-6), while others have a small number.
Specifically, I noticed that Heathrow LHR only has 2 ...
27
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3answers
6k views
Is there any technical reason that prevents installation of a jet blast deflector at Princess Juliana airport?
A jet blast deflector (JBD) or blast fence is a safety device that redirects the high energy exhaust from a jet engine to prevent property damage and injury.
Regarding the incident on July 13, 2017 ...
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vote
1answer
535 views
Is “passenger loading bridge” a synonym to “contact stand”?
In a master plan of an international airport, which is already approved by the client, I face some confusion between the terminology of the PLB and the contact stand.
Sometimes they're mentioned just ...
1
vote
1answer
306 views
Are flexible pavements not recommended in hot climates?
I've received a feedback from an airport manager that flexible pavement is not recommended for runways within the regions of an extreme hot climates; this is because of the particles of asphalt that ...
2
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1answer
364 views
What is the minimum separation between two A380's while taxing in-line?
If you are tailing another A380 on the taxiway, how much separation do you need from your nose to the A380 that you are tailing?
3
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1answer
343 views
How does one determine runway orientation without a local wind rose?
We are planning to establish new airport, but then we have no wind rose analysis of the location.
How can we predict what's the right orientation for the runway that satisfies the 95.
3
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1answer
419 views
What is the table top runway maximum slope?
What is the maximum permissible slope for a table top Runway (elevation 1600 m) to be made on hill top ?
5
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5answers
1k views
Is King Khalid International Airport in Riyadh actually very big?
Apologies in advance if this is in the wrong place, there isn't a geography StackExchange so this was the next best option I could find.
I've read multiple things about the huge size of King Khalid ...
15
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5answers
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Why are most runways made of asphalt and not concrete?
From the little I know about vehicles in cities, nowadays concrete is preferred to asphalt for road construction as, while initially more expensive, concrete is supposed to be cheaper to maintain.
...
6
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1answer
516 views
Why did the north / south runways close at Daugherty Field (KLGB)?
The north / south runway at KLGB were recently closed. Does anyone know the reason for the runway closures?
7
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1answer
219 views
Why are offset lead-in arcs used?
Why are offset lead-in arcs used?
Image source: Google Earth, showing offset lead-in arcs.
There is little literature on the subject matter. I did research it a while back but I lost the PDF's, and ...
