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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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1 answer
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Who determines the minimum area needed for a sky diving dropzone?

Who or what determines the minimum area required for a sky diving dropzone at an airport?
175's user avatar
  • 31
1 vote
2 answers
159 views

Is there a minimum distance a building must be from a taxiway or runway?

Is there a minimum distance a building on the actual airport property must be from a taxiway or a runway? Two examples of a building would be the terminal and concourses or any hangers for example.
dean1957's user avatar
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8 votes
4 answers
3k views

What happens when the runway is unusable at an isolated aerodrome?

What happens when you fly to isolated aerodrome in turbine engine aircraft without predetermined point procedure and just upon arrival for example an aircraft crashes on the runway and you can not ...
Filip Adam's user avatar
5 votes
1 answer
195 views

What should I do to prevent confusion for pilots due to the long distance between edge units on taxiways next to rapid exit taxiways?

We are at Hurghada Int’l Airport (HEGN) and we have a problem in three rapid exit taxiways named V5, V6 and V7 with taxiway V: Moving to V5 for example, if you measure the distance between the first ...
Mahmoud Samir's user avatar
0 votes
4 answers
254 views

Unlike other sectors, why does aerospace have 'design approval ' phase?

Very basic question: Why do we need Design approval phase in aerospace? Shouldn't it be the product approval that matters? -> How does design ( 'How we achieve the requirements') matter? I was ...
Dynamic_equilibrium's user avatar
5 votes
2 answers
295 views

When and why was AGGH's runway 06/24 shortened?

AGGH has one runway, 06/24. When looking at an aerial photo of said runway, I noticed something interesting: (Image by Graeme Bartlett at Wikimedia Commons.) My interest was piqued by seeing what ...
Vikki's user avatar
  • 28.4k
0 votes
1 answer
315 views

Why is the runway at Ulyanovsk Vostochny Airport so long and wide?

According to Wikipedia, the runway at the Ulyanovsk Vostochny Airport is tied for longest in the world (at 5000 meters/16,000 feet), in addition to being the widest (at 105 meters/344 feet). It's not ...
gsa's user avatar
  • 3
2 votes
2 answers
251 views

Is there a specific name for an airport gate at ground level?

At a two level airport most gates are located on the upper level with loading bridges or jetways. Is there a specific name for gates located on the lower level (ground) for like use of turbo prop ...
dean1957's user avatar
  • 319
2 votes
1 answer
284 views

Taxiway alignment on scissor intersecting runways

I came across this announcement on the first flight on Dublin Airport's new runway and was struck by something in the photo I had not seen before. The traditionally parallel taxiway makes a dogleg at ...
Ian W's user avatar
  • 295
3 votes
1 answer
194 views

Do private airports have to have the same runway and taxiway dimension and separation requirements as public airports?

I'm new to this site. I joined today after searching for hours to find answers to this question with no luck. I am a part of a group of pilots and aviation enthusiasts working on a new aviation ...
FlyingAce's user avatar
3 votes
1 answer
589 views

Under what circumstances are passengers boarded onto buses at gates A10 and A4 at Heathrow Terminal 5?

In Why doesn't Heathrow T5 have stand 504? it was suggested that gates A4 and A10 are so-called "bus-gates" where passengers board a bus to get to the aircraft. Under what circumstances ...
opr's user avatar
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6 votes
1 answer
820 views

Why doesn't Heathrow T5 have stand 504?

On the North side of Terminal 5A are four stands, 501, 502, 503, and 505. Why is there no 504?
opr's user avatar
  • 352
-1 votes
1 answer
178 views

Jeppesen airport codes for holding positions - catstops

what would be the meaning of the jeppesen catstop codes for holding positions(AM_TaxiwayHoldingPosition): {-32767, -32765, 2, 1} ? Seems that they are used completly different, for example on LTFM (...
Alexis's user avatar
  • 111
12 votes
1 answer
4k views

Why does KBOS have such a short runway?

Runway 15L/33R at Boston Logan is only 2500 ft, which is barely long enough for a Cessna, let alone an airliner. I’m wondering if anyone knows why this runway was built or what purpose it serves. I ...
GeckoFox1001's user avatar
  • 1,358
15 votes
1 answer
2k views

Why was the second runway at Sea-Tac Airport built so close to the first?

The second runway (the eastern 16L/34R) was built 800ft. to the east of the original runway 16C. Almost immediately it was criticised as being unusable for simultaneous operations unless using VFR ...
jchwebdev's user avatar
  • 251
16 votes
2 answers
3k views

How are light gun signals handled at remotely controlled airports?

In a comment @randomhead mentioned: Remote towers are already in use at several sites in multiple countries. Off the top of my head and without even googling, there's Leesburg airport in Virginia ...
Jim's user avatar
  • 1,063
3 votes
1 answer
284 views

How is a new airport certified or approved to operate by international organizations?

I just read the news of a new airport in construction in Mexico (Mexico City). They seem to be starting operations in a few months. In this case, researching a bit, it seems domestic and a Venezuelan ...
avelardo's user avatar
  • 143
10 votes
1 answer
728 views

Are there specific surface requirements prior to an ILS Category 2 runway approach threshold to ensure the accuracy of the Radio Altimeter derived DH?

ILS Category 2 approaches use a Radio Altimeter (RA) derived DH (Decision Height). An RA measures the aircraft height directly above the surface immediately below the aircraft. Any sloping terrain, ...
user avatar
2 votes
1 answer
487 views

Do the spaces between runways and taxiways need to be grass/scrubs?

I travel often for work and have often wondered why you don’t see more variation in the vegetation in between the runways and taxiways. It is almost always short grass (Or in desert areas scrub). It ...
Del's user avatar
  • 121
7 votes
1 answer
775 views

Where is KBOS runway 15R's localiser array?

Of the eight major-runway directions at KBOS, five (4R, 15R, 22L, 27, and 33L) are equipped with ILS (ILS-III for 4R and 33L, ILS-I for the rest). Four of these (4R, 22L, 27, and 33L) have a ...
Vikki's user avatar
  • 28.4k
8 votes
1 answer
842 views

Why are only two of the five water-facing runway ends at KBOS equipped with EMAS beds?

KBOS has eight major runway ends:1 04L, 04R, 09, 15R, 22L, 22R, 27, and 33L. As KBOS is primarily situated on (and occupies the vast majority of) a peninsula made by dumping lots of sand and dirt into ...
Vikki's user avatar
  • 28.4k
4 votes
1 answer
542 views

Do any subterranean runways exist for airplanes?

Are there any examples of runways that are under the cover of some terrain such as a runway built into the side of a mountain as a tunnel, perhaps with an entrance and an exit on both sides to ...
Ryan Mortensen's user avatar
1 vote
0 answers
219 views

What would be a minimum ICAO Aerodrome Reference Code for C-130?

I was wondering, mostly of military planes are not mentioned by ICAO on its papers (for sure, it is dedicated to civil aviation), but it's common to see military cargo planes operating on Civil ...
drmwndr's user avatar
  • 111
4 votes
2 answers
1k views

Does the angled parking scheme of London City (LCY) increase the number of aircraft that can be parked in the small apron?

While going through some articles and videos, I chanced upon a video on LCY and was surprised to see that, unlike in Dortmund, LCY has aircraft parked diagonally. Does this increase the number of bays ...
Venkata Raman's user avatar
3 votes
3 answers
559 views

Are there any airports with multi-level taxiways?

There are many airports where roads (and pedestrian walkways) are routed underneath taxiways, runways, etc. But are there any airports where airplane taxiways go under/over each other? I can't imagine ...
Milwrdfan's user avatar
  • 1,789
0 votes
1 answer
147 views

How to estimate runway length for airport master planning?

I use the manufacturer aiport planning manuals. But they are incomplete (unless for Boeing). Airbus and Embraer for example, only present range X weight charts for MTOW. Is there a free (or affordable)...
Evandrojs's user avatar
  • 161
14 votes
2 answers
5k views

Why are most helipads in São Paulo blue coated and identified by a "P"?

ICAO Annex 14, Vol II and FAA (AC 5390-2C) standards establishes 'H' and there is no mention to coating TLOF or FATO. Brazilian National Regulation (RBAC 155 - ANAC) does not provide any guideline for ...
Evandrojs's user avatar
  • 161
2 votes
0 answers
394 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 ...
Vikki's user avatar
  • 28.4k
-1 votes
3 answers
323 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 ...
Air Canada 001's user avatar
18 votes
1 answer
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 ...
Ashley Strout's user avatar
2 votes
2 answers
4k 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.
Volkan Eroğlu's user avatar
4 votes
1 answer
326 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?
Volkan Eroğlu's user avatar
0 votes
1 answer
804 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
Volkan Eroğlu's user avatar
11 votes
2 answers
2k 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 ...
Vikki's user avatar
  • 28.4k
2 votes
2 answers
209 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 ...
einpoklum's user avatar
  • 546
27 votes
10 answers
16k 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 ...
Count Iblis's user avatar
24 votes
3 answers
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 ...
Stuck's user avatar
  • 351
2 votes
1 answer
1k 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 ...
Federico Gentile's user avatar
0 votes
6 answers
799 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?
Conor Henry's user avatar
0 votes
2 answers
265 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 ...
WildGurgs36's user avatar
0 votes
2 answers
337 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 ...
Saima Hasan's user avatar
4 votes
1 answer
544 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, ...
Peter - Reinstate Monica's user avatar
26 votes
1 answer
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.
William Taft's user avatar
0 votes
2 answers
471 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 ...
Squareoot's user avatar
  • 1,654
4 votes
1 answer
370 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 ...
user avatar
28 votes
4 answers
16k 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 ...
Vikki's user avatar
  • 28.4k
1 vote
1 answer
192 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 ...
JonathanReez's user avatar
  • 1,778
2 votes
1 answer
343 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.
user avatar
0 votes
1 answer
296 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.
Jon's user avatar
  • 1,411
0 votes
3 answers
792 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
Rose's user avatar
  • 1