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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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What is a Simultaneous Offset Instrument Approach (SOIA)?

I have heard about Simultaneous Offset Instrument Approaches (SOIA), special procedures for runways that are spaced particularly close together. How exactly do they work? What are the requirements for ...
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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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What does an “X” at only one end of the runway mean?

I came across aerial imagery of a dirt strip in northern Idaho with a white "X" at one end of the runway, but no markings at the other. Does this mean the runway is only closed in one direction, or ...
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Why is one of Madera Municipal's runways labelled with only “R” on both sides?

I was looking on Google Maps satellite view and noticed Madera Municipal Airport in Madera, CA (ICAO KMAE) has an east-west runway labelled with nothing but the letter "R" on both sides. There is no ...
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Are grass strips more dangerous than tarmac?

There are a couple of flight schools near me. One is at a large airport, they use Piper Tomahawks primarily to teach. Naturally, they use well maintained, tarmac runways to takeoff and land. This ...
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What are the FAA regulations on grass airstrips?

What are the FAA regulations on grass airstrips like grass height, lighting, necessary aircraft equipment, and the like?
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What are the slash markings on Gatwick's 08R/26L?

Google Earth @ 51°08'52.24" N 0°11'35.71" W The markings are at 100 m intervals, to one side only of the centerline. They're also lighted as seen below. They are missing from the ICAO aerodrome ...
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Are runways booked by airlines to land their planes?

Suppose Indigo lands at Indira Gandhi international airport and the arrival is schedule at 5:30 a.m. Is the runway to land on fixed by the airline. If not please explain reason behind not to schedule ...
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Is there a time limit for a line-up and wait?

So this was from a barrage of History Channel documentaries celebrating the century of flight, some 13 years ago. In one of the shows, I recall it being said that an airliner has a time limit for a ...
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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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Are there regulations on building homes at the end of a runway?

I live next to a golf course (Butter Valley Golf Port) in Bally PA that has a paved single engine air strip that runs through a portion of the course. Off the end of the runway (in one direction) ...
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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 ...
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Shouldn't there be ATIS/sign information on sloped up runways?

I landed on Catalina island runway 22 last Saturday after the installation of a new concrete runway. To make it easier for heavyweight planes to land and after a short roll stop, they have made the ...
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Where do LAX commercial cargo planes land/take off?

At the Los Angeles airport, do commercial freight planes such as a 777F, 737F etc. take off near the Lufthansa / FedEx / DHL cargo areas from the 25L /25R runways towards the ocean ? Do they land in ...
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Why are runway lights always on?

By driving often near my local airport, I deduced that runway lights are kept always on as soon as the day light or weather conditions require it. I also suppose that it comes from safety reasons ...
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Are there runways that are numbered only on one side?

For all runways I've known or seen, they're numbered on both sides, with the number on the opposite direction differ by 18. Are there runways that are numbered only on one side? I.e. due to certain ...
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How did this Vampire's takeoff damage the runway so much?

This appears to be real, but, what's the cause? Aircraft is a DeHavilland Vampire on takeoff from a small airfield, but the runway's surface disintegrates from jet blast Full file at https://i.imgur....
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Minimum runway width for SSC Stratolauch

What is the minimum runway width for the Scaled Composites Stratolaunch vehicle? 1? Is this determined by the separation between its fuselages (and thus undercarriages), or its outer engines (to ...
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Why can't runway 18 at Frankfurt Airport accept takeoffs or landings in the opposite direction?

Runway 18 at Frankfurt Airport is one example of a runway which is numbered on only one side. Aircraft can only takeoff in the 18 direction, and cannot takeoff in the 36 direction, nor land in any ...
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Why is there conflicting nomenclature for the 1,000 ft runway markings?

The two thick solid lines on runways at 1,000 ft from the end of the threshold are called "fixed-distance markers" in some documentation, and in others, it is called the "touchdown zone marker". Are ...
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How is The Published Runway Touchdown Zone Elevation Decided?

The touchdown zone of a runway can be up to 3,000 feet long if the information I have is accurate. How is the published Touchdown Zone Elevation determined? Is it the center, an average of the ...
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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 ...
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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?
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Does the use of a turboclair system come with operational restrictions due to possible turbulence?

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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Do 'threshold' and 'end of the runway' mean the same thing?

While I studied aviation, I got confused by these two words. Can anybody explain whether they're the same or not, and if not, what is the difference?
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How do airports determine when they should change their runway numbers?

Runway numbers in most of the world are based on the runway's orientation relative to magnetic north. For example a runway with a magnetic heading of 135° to 144° will be numbered ...
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Berlin Tegel periodic runway direction switch [duplicate]

If you live in Berlin it's very easy to see airplanes approaching Tegel airport; sometimes you can see them approaching from East for a month and then suddenly approaching from West before switching ...
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What factors made my flight land at runway 02 in El Prat?

Aircraft normally land at Barcelona's El Prat airport using either of the 25 runways, along a flight path hugging the coast, with a flip to the 07 orientation generally associated with bad weather. ...
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Why isn't KTEX's runway designation 10/28 instead of 9/27?

Why is the marking on the runway written as (9/27) Telluride (KTEX), Colorado, USA. whereas the direction is 284 degrees? Shouldn't it be (10/28) instead?
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When and why was runway 07/25 at Kai Tak removed?

Wikipedia states that Kai Tak Airport in Hong Kong originally had two runways, both built under Japanese occupation during World War II: ... In 1942, the Japanese army expanded Kai Tak, using many ...
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What difference does the choice of paved runway surface make to aircraft?

What difference to the pilot does it make it say a runway is Concrete or Asphalt? Does it require different information in the flight management system or other calculations?
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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?
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What are the pros and cons of practising figure-eight landings on perpendicular runways?

This is just a gee-whiz question, I have no intention of doing this nor am I trying to get anyone's blessing on this. Part of remaining current to legally take passengers up in a plane is having 3 ...
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How is the runway pavement chosen?

Wikipedia list a number of runway pavement. For specific airports, the choice is obvious (e.g. ice, snow). But there are few pavement I cannot figure out how to decide which one use. Why an airport ...
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Why is the TORA of 27R not the same as the TORA of 09L?

09L and 27R are the same runway but just in opposite directions. I've drawn out a diagram and for some reason the TORA for 27R is 18m less? Where has that 18m disappeared? I've been trying to work out ...
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How do I get an FAA okay for a private runway?

The county I'd like to put a private runway (for my use only) in doesn't require any special permits because the property is zoned Agricultural, BUT they do require some form of acknowledgement from ...
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Should you wait to switch to the ground frequency until after crossing a runway?

I've never had the opportunity to fly into a controlled airport with parallel runways, so I've never actually faced the situation. But, in the interest of being ahead of it, when would it be prudent ...
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Are tritium runway lights widespread in remote areas?

There was some interest in the 80s and 90s in providing runways in remote areas with tritium lighting (which requires no external power, since the radioactive decay in a sample of tritium gas induces ...
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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?
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Can jet airplanes operate on 'rough' airfields?

A question I've always wondered is: can jet aircraft - not turboprop in this case - operate from 'rough' airstrips. My definition of 'rough' is grass or maybe a smooth mud airfield. I know that there'...
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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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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 ...
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How are procedures for curved-runway operations different from those for straight runways?

Runways having a significant curve between the two ends aren't exactly common, but they do exist, one good example being Elk City Airport's runway 14/35. When operating to or from an airport with a ...
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Is there a way for passengers to know which runways their flight will use?

When I fly, I like to see the airport when I take off and land. Is there a way I can know, in advance, which runway the plane is likely to depart/arrive from so I know which side of the plane to sit ...
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Why do heavy departures wait 5-10 minutes on the runway at ZRH?

I'm frequently travelling to Zürich for business and I usually make my schedule so that I have at least an hour to do some planespotting and photographing at the ZRH airport. Whenever I came to the ...
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What's a quick way to determine which runway to use?

Let's say I call up Wx and have the wind direction and I know the runway headings from my charts and the pattern is empty. I can do the math, but it's tedious and slow and even worse when there are ...
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Was the runway upgrade at Mataveri Airport on Easter Island really related to the Lee Correy novel “Shuttle Down”?

This answer to the question Could the Space Shuttle have landed on any long runway other than those specially reinforced at Kennedy (TTS), and Edwards (EDW)? says: The Mataveri Airport on Easter ...
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What factors are considered when a runway is planned?

What environmental factors are considered when a new runway construction is planned (e.g. winds, weather, sun direction, etc.)?
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Are there differences between the runway lighting on a land runway and on an aircraft carrier?

How are the lights on aircraft carriers placed and are there differences to the color/position/number of lights at normal airports?