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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13
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2answers
4k views

How can pilots differentiate runways and taxiways during landing?

There have been many incidents where pilots landed or attempted to land the aircraft on a wrong surface (for example Continental 1883 and Air Canada 759). Are there any tips for pilots to avoid that? ...
3
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1answer
143 views

Are aircraft pilots required to fly runway heading for a certain distance?

If an aircraft rotates off the runway relatively quickly (runway mid-point for example), do pilot's need to continue on the runway heading for a minimum distance before turning based on departure ...
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0answers
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Was the Jabara Dreamlifter incident the biggest difference between required and actual takeoff length?

DCA14IA016: on November 20, 2013, a Boeing B747-400LCF (Dreamlifter) landed at Jabara airport. They took off the next day which was considered a major feat given the discrepancy between the size of ...
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2answers
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How can I read airport maps when choosing a seat as a passenger?

When I choose seats on an airplane, I usually go for a window seat since I love the view, especially the views of a city on takeoff/landing. Sometimes I get good a view of the city and sometimes I ...
4
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2answers
136 views

What is the difference between stopbars and Intermediate Holding Position Lights?

I know that stop bars continuously light red and stand at before taxi route joint, holding points or runway entrance but what about the Intermediate Holding Position Lights or how can we differentiate ...
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2answers
207 views

Do most airport use one and only one runway for landing?

Do most airports (especially busy ones) use only one runway at a time for landing? For example, I know Heathrow uses only one of its runways at a time (although they might switch to another half way ...
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5answers
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Where does the Departure End of Runway (DER) exactly begin?

I am having trouble understanding the concept of Departure End of Runway. Most sources state that DER is at the end of the portion of the runway that can be used for takeoff (which, as far as I can ...
10
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1answer
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How do pilots use stopway, EMAS, clearway and displaced threshold?

I noticed in Why is “clearway minus stopway” used in V1 adjustments? that a stopway and an EMAS are both indicated by yellow chevrons: Same Opa-Locka stopway on the left, and San Diego EMAS on the ...
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Why is crushable-block EMAS the only overrunning-aircraft-stopping system in wide civilian use?

Because runway overruns often end badly, and many runway ends (especially older ones) don’t have enough clear space available beyond the runway end for a full-size runway safety area (RSA), EMAS has ...
5
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1answer
326 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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2answers
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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
216 views

What prevents the use of an EMAS along the sides of a runway?

The NTSB report about the crash of American Airlines Flight 1420 discusses whether an EMAS would have mitigated the severity of the accident, but concludes, based on testimony from a representative of ...
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0answers
136 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 ...
22
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4answers
3k views

Should landing light be off during line up and wait position?

What is the proper position for the landing lights when on the runway in a line up and wait position?
3
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2answers
248 views

Can a runway turnpad be used as a runway holding position?

Can a turnpad also be used as a runway holding position?
-1
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1answer
135 views

How can I determine the runway number from its true bearing and magnetic variation? [duplicate]

Given: Runway True Bearing 007° Magnetic Variation 4°E What is the runway number (or designator)?
5
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2answers
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How long does a runway have to be for an Airbus A380 to takeoff?

I have seen several Airbus A380's takeoff on large runways, but how small can a runway get for an Airbus A380 to takeoff fully without overrunning?
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3answers
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What is the name of the movement which is carried out by plane beginning from the runway and ending at takeoff?

What is the name of the movement which begins after the plane lines up on the runway and takeoff clearance is received, and ends when the plane lifts off from the runway? Is it also called as 'taxiing'...
10
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1answer
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Why is Tromsø Airport's runway 01 referred to as 36 in the sign before the runway?

Runway designations can change due to the changing direction of the magnetic north. Using Google Earth, we can verify that Tromsø Airport's runway 01 has not changed its designation since at least ...
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2answers
148 views

Are intersection takeoffs less common in the USA than in other countries?

On a recent trip through Australia I did a number of intra-oz flights. In at least three of the cases we performed intersection takeoffs, a couple at MEL/YMML and one at BNE/YBBN. I have at least a ...
18
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1answer
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Should I wait for Tower to provide runway exit instructions?

This is somewhat already answered here (Is it a flight violation to mishear ATC instructions for exiting the runway?), but this question is more geared toward taking action before hearing from Tower. ...
21
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2answers
33k views

What does the number of white bars in runway's threshold mean?

At the beginning of each runway there are some white bars. Does number of bars in threshold mean anything?
21
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4answers
9k views

Why can't aircraft be cleared to land before the preceding aircraft turns off the runway?

For example, let's say we have an Airbus A330 in front, which has just landed, well past the threshold and looks like it's going to be alright. Next in line to land is a small general aviation ...
2
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1answer
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What's the difference between overrun and overshoot landings?

Is there a difference between overrun and overshoot landings or are they exactly the same, talking about a runway excursion?
6
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1answer
183 views

What is the minimum runway width for SSC Stratolaunch?

What is the minimum runway width for the Scaled Composites Stratolaunch vehicle? Is this determined by the separation between its fuselages (and thus undercarriages), or its outer engines (to stop ...
2
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2answers
95 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 ...
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10answers
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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 ...
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11answers
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Could you land a large airplane on short circular runways?

Considering that building runways is expensive and that they take up a lot of space, could you land a large commercial airliner on a circular runway, braking as you go around the curves?
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1answer
177 views

How long did it take to set up a portable runway? [closed]

How long did it take to set up those metal runways? Were the metal sheets spiked into the ground? How big were they? Also, how are commercial runways built?
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2answers
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Why isn't runway 4L/22R at KMDW available as an emergency runway?

Chicago-Midway (MDW/KMDW) has five runways, oriented along the diagonals of the square airport. The longest two (13C/31C [1988 x 46 m] and 4R/22L [1964 x 46 m]) are ILS-equipped, and serve as the ...
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1answer
6k views

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 ...
23
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2answers
33k views

Which civilian airport has the most runways (current and planned)?

I just read Is the airport capacity related to number of runways? . While there are a host of factors, the idea of more runways is obviously so that more flights come in and out. Which is the biggest ...
2
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1answer
365 views

What are the consequences of turboclair system on restriction due to turbulences?

A turboclair system basically consisted of jet engines used to warm the air around the runway and dissipate the fog. I understand that better visibility due to less fog allows less-well-equipped ...
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2answers
171 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 ...
2
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2answers
384 views

What are the meanings of those SFO Taxiway Marking?

I'm studying aviation and pulled up a Google Map satellite view of San Francisco International Airport (KSFO) and was wondering if someone could shed some light on what a few of the taxiway markings ...
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1answer
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Why do METARs report wind relative to true north rather than magnetic?

Why isn't the wind in a METAR given in magnetic heading, to match the runway numbers? Especially for areas where there is a double-digit magnetic declination. Secondary/optional question: does the ...
26
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1answer
2k 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 ...
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 ...
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 ...
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 ...
3
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1answer
315 views

Close Runway 16/34 from one direction

Let's say Runway 16/34 used direction 16 for arrival and 34 for departure. Can the runway close 16 (arrival direction) and still working in 34 for departure?
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8answers
8k views

Are there any real life instances of aircraft aborting a takeoff or landing to avoid a vehicle?

I came across a fake video of an A380 closely avoiding a fuel truck. More details at Snopes including a link to the YouTube video. While this video is not real, I'm interested in finding out if it's ...
7
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1answer
1k 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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2answers
169 views

How can pilots obtain runway length information for airports that do not appear in the chart supplement?

How can pilots obtain official runway length information for airports that do not appear in the chart supplement such as private airports?
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1answer
172 views

What does this indication of '10∼15 degree' that points toward the both edge of runway means?

While I study FAR AIM, 2-1-1 approach light system, I saw this indication (on the left side) that I couldn't guess what it tried to demonstrate. It seems like runway end identifier lights, but I can'...
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1answer
6k 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 ...
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0answers
780 views

How Does the FAA Define the Dimensions of the Touchdown Zone?

Does the FAA give a regulatory definition of the term "Touchdown Zone" for use within the context of landing operations? In 14 CFR 91.175 the FAA requires—in certain cases—that pilots must ...
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3answers
405 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 ...
21
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7answers
8k views

Can two aircraft be allowed to stay on the same runway at the same time?

My understanding is that the runway should always be cleared, and occupied by no more than a single aircraft for takeoff and/or landing at any given time. Is there any scenario in which ATC can ...

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