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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2
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0answers
149 views

Why do so few non-US runways have EMAS beds?

As occurrences of an aircraft running off the end of the runway and hitting things tend to leave both the aircraft and whatever it hits rather the worse for wear, much effort over the years has gone ...
-2
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1answer
56 views

Where can I look for news regarding what's happening in aviation around the world? [closed]

Websites or magazines which keep me updated and where I can gain knowledge on what's happening around the world. Apart from International Airport Review, I'm already on that. Thanks
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3answers
276 views

Why isn't there more green space on the apron? [closed]

I feel like it's a waste of concrete or asphalt. Can't they just leave some areas that don't get taxied on as grass? If taxiways are designed with green spaces in between them, why can't we see much ...
18
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1answer
3k views

What are those structures at Taif Regional Airport in Saudi Arabia?

I was looking at airports in Saudi Arabia and noticed a strange one. At Taif Regional Airport near Mecca there are a bunch of taxiways all seemingly randomly intersecting at different angles, each ...
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2answers
161 views

Why is ARP (Airfield Reference Point) needed?

An airport reference point is the centre point of an airport, located at the geometric centre of all the usable runways. The ARP is computed as a weighted average of the end of runway coordinates.
4
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1answer
143 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?
0
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1answer
114 views

Can anyone explain what are the apron taxiway and aircraft holding taxiway with an illustration, please? [closed]

Note: There are 3 types of taxiway 1) Apron taxiway 2) Aircraft holding taxiway 3) Rapid exit taxiway
10
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2answers
938 views

Why would an ILS installation need a “reflecting surface” around the glideslope antenna?

According to the NTSB, the installation of a glideslope serving runway 11 at KHTS (Tri-State Airport, Huntington, West Virginia) was delayed for over twelve years by the lack of suitable terrain for ...
2
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2answers
101 views

“Gross” and “net” planned runway length for the Haifa airport

My city's mayor was just boasting on how she'd gotten an approval for an airport runway of length "2100 m gross, 1900 m net length", and that this would be enough to connect the city - Haifa - to hubs ...
26
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10answers
15k views

Why do airports have directional runways instead of a large area to operate in any direction?

Instead of a few runways in a few directions, why not have a large square block of asphalt so that planes can take off and land in any direction? Where and on what direction planes land and take off ...
22
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3answers
12k views

Why do airliners park with the nose facing the terminal?

A few other questions have touched on why we don't board airliners from the front and back at the same time. My question is why is it that we choose to board at the front, rather than park the ...
2
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1answer
229 views

Where to find the parking coordinates of the aircraft in the Apron?

Is it possible to find out the coordinates of where the aircraft park in an the Apron? I mean some sort of list for each terminal or aeronautical chart. I was thinking about the AIP (Aeronautical ...
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5answers
543 views

Why don’t airports use jetways as an airlock to avoid having to repressurize the plane for every flight?

Seems like it could save money perhaps. Has this been considered in the past?
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2answers
126 views

How to find runway Centerline spacing on airport diagrams?

I know that airport diagrams show the exact position of airport runways in DMS (degrees, minutes, seconds) and therefore could use trigonometry to find how far apart runway centerlines are from ...
0
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2answers
93 views

What does “1%” mean in ICAO Annex 14 § 3.9.9 (longitudinal slope changes)?

— 1 per cent per 30 m (minimum radius of curvature of 3 000 m) where the code letter is C, D, E or F; and — 1 per cent per 25 m (minimum radius of curvature of 2 500 m) where the code letter is A or ...
4
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1answer
240 views

How do airports in hot climates handle extremely high temperatures?

In June 2017 dozens of flights were cancelled in Phoenix, Arizona because of temperatures exceeding 120 degrees Fahrenheit/48.9 degrees Celsius.1,2 Hot air at a given air pressure is less dense, ...
26
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1answer
5k views

Why do some AFBs have planes parked at 45 degrees to others?

I'm assuming this is just a matter of available space but it seems you could get 4 across all aligned but maybe there is another reason. The image is from McGuire AFB but I've seen this on other AFBs.
0
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2answers
177 views

Could sprinkling cool water on the runway in hot summer decrease air density?

Why is there no such technique used where cool water gets sprinkled on a runway? Cooling down the air above the airport would decrease air density and therefore lead to a shorter starttime for ...
4
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1answer
232 views

Can the clearway be located on a lake?

From the FAA AIM: All 14 CFR Part 139 airports report declared distances for each runway. Other airports may also report declared distances for a runway if necessary to meet runway design standards ...
28
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4answers
13k views

Why do airports in the UK have so few runways?

Almost all of the major airports in the United Kingdom are single-runway (or functionally-single-runway) installations, with only two of the very busiest (Heathrow and Manchester) having as many as ...
1
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1answer
160 views

Why aren't airports built with future expansion in mind? [closed]

There are currently numerous controversies around the world in regards to airport expansion, where local residents are opposed to new runways or changes in the hours of operation. The most famous ...
2
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1answer
145 views

Is a Compass Swing Platform part of a runway or taxiway?

I am trying to work out if the compass swing platform is part of the runway or taxiway.
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1answer
146 views

Chicago O’Hare - Two Towers? [duplicate]

Why does ORD have two towers? I flew in there for a connecting flight this last weekend and saw two towers standing, one obviously larger than the other.
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3answers
421 views

What is the area between the taxiway and runway shown in the picture below?

Is this the Arresting area? I'm not too sure what you call this area
39
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1answer
5k views

Why can't some airports handle heavy aircraft while others do it easily (same runway length)?

As I've seen in this video, they operate flights from Bournemouth airport all the way to Barbados on a Boeing 787-8. As Bournemouth runway length is 2,271 m (7,451 ft), it can handle aircraft such as ...
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3answers
635 views

Would building an airport at 30,000 ft save money?

So... this would obviously cost a ton of money initially, but long-term, I believe the savings both environmentally and financially would be returned many times over. If a building can already be ...
62
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1answer
9k views

Why are Gatwick's runways too close together?

Gatwick Airport has two runways (08L/26R and 08R/26L), but they are only 200 metres apart - too close (by just ten metres) to allow simultaneous operations on both runways. As a result, usually only ...
12
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2answers
5k views

Why does Beijing's new Daxing airport have so few gates?

There is a lot of press about the Daxing airport, touting that it will be one of the largest in the world in terms of passenger capacity. The images of the terminal build are indeed beautiful. But ...
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4answers
471 views

Why don't short runways use (downhill) ramps for takeoff?

This is a followup on question: Why don't short runways use ramps for takeoff? There are multiple answers to that question that answer why an uphill ramp at the end of the runway does not make ...
39
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9answers
16k views

Why don't short runways use ramps for takeoff?

Say you had a runway for light aircraft, but only 700 meters or so of runway. Wouldn't it help to end the runway with a ramp that is ~40 meters above ground and slightly facing the sky at a gradient ...
2
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0answers
60 views

How are parallel runways named if there are more than 2 or 3? [duplicate]

I know that it's very common for runways to have a parallel neighbor, and they're normally called left and right. I have also seen some runways called "center" if there are three parallel runways. ...
34
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2answers
9k 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 ...
28
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6answers
5k views

Why do airports remove/realign runways?

When looking at Google Earth, I often find myself looking for airports. I often notice that no matter what size airport, over time many of them have abandoned old runways and built new runways in ...
3
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0answers
225 views

What are these protuberances on the north edge of runway 10/28 at Mataveri?

The single runway (10/28) at Mataveri International Airport (IPC/SCIP) on Rapa Nui1 has (at least according to Google Maps) a few paved protuberances emanating from partway down its northern edge ...
36
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4answers
3k views

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 ...
33
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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
53 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 ...
19
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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?
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4answers
618 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 ...
23
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1answer
7k 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 ...
14
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2answers
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 ...
50
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13answers
14k views

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 ...
3
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3answers
252 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
301 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
5k views

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 ...
3
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7answers
2k views

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 ...
3
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2answers
546 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
350 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
2k 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
670 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.) ...