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Questions tagged [runways]

A runway is a "defined rectangular area on a land aerodrome prepared for the landing and takeoff of aircraft" (ICAO definition).

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How could this weird shaped aircraft Airbus Beluga fly only with two engines and use short runways?

More than that! She could land and take off fully loaded on 2000 meters of runway at Hawarden Airport as seen here in this video. At my local airport the runway is 2500 meters long and an Airbus A300 ...
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2answers
247 views

How do general aviation airports inspect their runways?

How do general aviation airports inspect their runways for cracks, ruts, holes or anything that would impair their integrity? How often do airport operators conduct standard inspections of their ...
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1answer
542 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/...
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How are arriving aircraft assigned to runways?

A similar question to this one was asked before, however my question is not about who assigns runways to arriving aircraft, but what the reasons behind those decisions are. As an example, let's look ...
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1answer
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What do different runway depictions mean in the Chart Supplement?

I cannot find a digital Chart Supplement (AF/D) glossary. What is the length requirement to depict a runway as a dashed line vs. solid black? The depiction for Melbourne, Florida shows one runway ...
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347 views

Does the landing distance required for a wet runway needs to be within a certain range of the landing distance available?

Conform the regulations the landing distance required (LDR) for propeller engine aircraft needs to be within 70% of the landing distance available (LDA). The LDR for a wet runway needs to be ...
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1answer
604 views

At what distance beyond the aiming point is a landing considered a “Deep Landing”?

In Flight Data Monitoring (FDM) programmes, the Deep Landing calculation is based on difference between the aim point (or glide slope touchdown point) and the actual touchdown point. How are the ...
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1answer
328 views

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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2answers
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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?
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Is there a formula to calculate take off runway distance for commercial planes?

I want to be able to calculate the take off runway distance that a plane needs depending on factors such as weight and plane size, etc. I know that graphs exist in the pilot handbook to do this but is ...
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2answers
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Are animals straying onto the runway considered to be a runway incursion?

Are animals on the runway defined as a runway incursion?
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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 ...
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3answers
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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-...
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1answer
971 views

On a calm day, what determines the active runway?

When the winds are "calm" or variable, and as such there is no wind direction on which to base the decision on what the active runway should be, how is that determination made?
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2answers
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How does a runway inspection radar work?

In AC 150/5220-24 FAA mentions radar equipment to detect foreign object debris (FOD) on runways, based on stationary and mobile radars with an astronomical precision, e.g. able to detect an object as ...
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2answers
381 views

What materials are used to build a military runway?

What type of matrix should be used on a military runway used by C130 aircraft?
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4answers
544 views

Is it feasible to recuperate energy from landing aircraft by using a runway sled with regenerative braking?

Would it be feasible to land large (Boeing 747 and Airbus A380) and all other aircraft on a sled on the runway, the kinetic energy of the aircraft is then transferred to the sled, then the sled uses ...
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2answers
961 views

Is there something like a table of aircraft required runway lengths?

I'm looking for a chart showing the minimum length a runway can be for various aircraft to land and take off. Does something like this exist?
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RWY designation [duplicate]

I'm a translator, and currently I have some issues associated with RWY designation. There is a runway with the magnetic direction 246°. How would you call it? So let me put it like this. In Wikipedia,...
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1answer
277 views

landing with east to west wind on runway 11/29 [duplicate]

i was wondering if anyone could help me out with this doubt i have. the kananga airport in dr congo has a single runway labelled 11/29. upon checking on google maps the number 11 is on the left end ...
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3answers
847 views

What are the considerations for landing on ice runways?

In Greenland there are a number of ice runways and I have heard that it is no difficulty landing on them. One would think they would be slippery and the aircraft might slide off the runway or ground ...
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3answers
315 views

Who bears responsibility when an aircraft takes off from the wrong runway?

On occasion, an aircraft is cleared for takeoff on one runway, but actually departs from another runway. This has resulted in embarrassment as well as catastrophe. When this occurs, are both the ...
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2answers
473 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.
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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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How do pilots of big jets determine if they are clear of the runway after landing?

The pilots of small aircraft can easily determine if they're clear of the runway by visually looking back through the side windows. How do the pilots of big commercial jets determine that all parts ...
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2answers
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Do I need to use an airfield to take off or land a powered paraglider?

Most aircraft require a runway to take off and land, however powered paragliders simply attach to the pilot's back, requiring the pilot to run a few metres to take off. The landing distance is also ...
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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 ...
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1answer
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What does it mean when a runway's safety area is not standard?

If an airport has a NOTAM that states that a runway safety area is not standard, what does that mean? Here's an example. ...
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1answer
509 views

How much runway is needed for comfortable operations in a PC-9?

I am familiar with simple single engine props and twins and am thinking of moving up to turboprops like a Soccata TBM 700 or Pilatus PC-9. How much runway do aircraft like these need to operate ...
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2answers
1k views

Do you pay to Touch-and-Go?

I understand you pay to land at an airfield, but do you pay to Touch-and-Go? Pilots will often practice many Touch-and-Go's at an airfield, are you billed for each one (assuming you pay something to ...
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1answer
634 views

What is the difference between P208 and P209 base runway materials?

Runways are made with P208 base or P209 base does anyone know why there are labeled differently from regular crushed aggregate base? And what the different uses are for?
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1answer
336 views

Can we apply landing minimum with ALS when ALS is available with low intensity only?

Can we apply landing minimums with ALS when the ALS is available with "low intensity" only? For example, the following NOTAM is issued at KABQ: !ABQ 05/270 ABQ RWY 03 ALS OUT OF SERVICE EXC LOW ...
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2answers
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Yellow chevron markings at end of runway, what do they mean?

In this YouTube video (link starts video at time of interest), the pilot appears to land in the area marked by the large yellow chevrons, in what appears to me (a layperson) to be a taxi way. What ...
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1answer
312 views

What is the origin of the practice of numbering runways by magnetic heading?

Today, runways are always named according to the magnetic heading. How did this practice start? When and where was the practice invented? Whose idea was it, and how did it catch on?
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Why do some aircraft carriers have an upward starting runway? [duplicate]

I noticed that some aircraft carriers have an upward starting runway while others don't. What's the reason for this? What are the advantages of both designs and how come not one of them has prevailed ...
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2answers
417 views

What would happen if an aircraft were to touch down on EMAS?

What would happen if a jet (say, a A330) were to touch down on the Engineered Materials Arrestor System (EMAS) just before the runway, instead of on it? According to the FAA the EMAS is designed to "...
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2answers
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Why didn't planes land from the sea in the old Kai Tak Hong Kong airport?

Reading up on the old Hong Kong airport Kai Tak, I'm left with the question as to why the planes didn't land from the sea? I know that takeoff was done towards the sea, but is there any reason that ...
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992 views

How much power do planes use when taking off at London City?

I watched a video of an A318 taking off at London City and it took just 20 seconds from setting takeoff thrust to getting airborne. BA A318 takeoff @ LCY (takeoff thrust @ 1:23, airborne @ 1:43) and ...
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1answer
287 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 ...
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0answers
368 views

How to find runway direction classification, code number and code letter?

I am creating a solution that generated the limitation surfaces for runways according to ICAO Annex 14. One of the parameters that I need is the runway directions classification, code number and code ...
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1answer
668 views

I'm so confused how airport numbering works [duplicate]

I'm so confused how airport numbering works. If an airport has a single runway oriented 063 degrees and 243 degrees M. What would be the runway designator?
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3answers
515 views

How to verify the runway numbers in a systematic way given the high workload during landing?

I have never had a runway number verification on my checklists because normally the landing checklist is completed and stowed by the time I am on short final and can clearly see the numbers. However, ...
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1answer
2k views

Why is the font size of runway numbers in Canada small?

I've noticed that on runways at Canadian airports, runway numbers are painted noticeably smaller than runway numbers at airports pretty much anywhere else. For instance, here's the beginning of runway ...
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3answers
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How are landing aircraft handled during an emergency runway closure?

A Hypothetical scenario A landing aircraft at a busy airport such as London Gatwick LGW has an issue during landing that requires the immediate closure of the runway. My understanding is that ...
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1answer
224 views

To what requirements / assumptions RSAs & EMAS designed?

I've several questions regarding runway safety area (RSA) and engineered materials arresting system (EMAS): Is RSA/EMAS designed for impact loading at the point of touchdown and to absorb energy of ...
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0answers
406 views

What is the value allowed for runway transverse slope?

What is the range allowed for transverse slope for runways used by commercial aviation?
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0answers
161 views

How often, and how promptly, do airports have to renumber runways because of magnetic pole drift? [duplicate]

This question was prompted by this answer to another question by Jamiec. As the magnetic poles drift (usually pretty unpredictably), runway numbers become inaccurate. As noted in the linked answer, ...
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7answers
12k views

Does runway 32/33R at Madrid actually have a kink in it?

In this satellite image of Madrid airport (MAD/LEMD)... Source:Google maps satellite view Alternate link from maps.google.nl still renders incorrectly for me, but appears fine for others... ...it ...
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1answer
376 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 ?
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1answer
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How do Rapid Exit Taxiways improve aircraft movements?

I have been reading about Mumbai Airport (CSIA) (IATA: BOM ICAO: VABB). On it they mention: The airport has two intersecting runways. Both runways have been upgraded to Code F, which means they ...