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Questions tagged [airport-lighting]

Use on questions about how airport lighting is used, installed or operated. Airport lighting includes runway and taxiway lights, approach lighting, airport beacons, etc.

24
votes
2answers
59k views

What's the functional difference between PAPI and VASI?

PAPI and VASI seem to be very similar in the the information they provide - i.e. are you on the glide slope or off it. Is there a functional difference between the two? If there is a difference, and ...
19
votes
1answer
1k views

Why does the airport plate list a VASI that does not exist?

I have a small but quite busy GA (General Aviation) airport I operate out of that gets over 140,000 of operations per year. It's a popular GA destination, has an active school, and the area schools ...
11
votes
2answers
2k views

How to decide on which side of the runway the approach path indicator (VASI, PAPI) are placed?

This answer provides pictures and drawing of implementation of both PAPI and VASI. In all pictures I found, I cannot figure if there is a rule to put those lights on the right, on the left, or on both ...
9
votes
1answer
2k views

Why would a pilot ask the tower to turn the VASI off?

This past Saturday I was taking off from runway 22 at Catalina Airport (IATA: AVX) when I heard on radio a GA pilot requesting the tower to turn off VASI after requesting weather advisory. I did not ...
9
votes
2answers
6k views

What determines the positioning of PAPI lights from the runway threshold?

Why are PAPI lights installed 300m from the threshold? What are the conditions that define the position of the PAPI lights from threshold?
9
votes
3answers
461 views

Is it safe to use a parallel runway's PAPI/VASI?

Many airports have parallel runways but only one runway has a PAPI/VASI. If both runways start at the same point and have similar touch-down points, is it safe to use the parallel runway's lights for ...
8
votes
2answers
321 views

What is involved in changing runway/taxiway/approach lighting?

When a runway inspection determines that there are bulbs out on any of the runway or taxiway lighting fixtures, what is involved in changing them? Does the runway/taxiway need to be shut down for all ...
8
votes
1answer
348 views

Why are there many different approach lighting systems?

Why not just have only 2 or 3? What's the point of having such a number of different configurations? What's the practical application of each lighting scheme? I mean, do they really help pilots in a ...
7
votes
1answer
220 views

How come certain airports can have unique rotating beacon colors?

The Hershey Medical Center Heliport has a white-red-green beacon as opposed to a normal heliport white-yellow-green beacon. How is this allowed?
6
votes
4answers
157 views

How else can snowy/icy conditions disrupt airport operations?

In casey's fabulous answer here, he identifies several ways snow/ice can disrupt airport operations: Continuous heavy snowfall can eventually close an airport if it becomes impossible to keep the ...
6
votes
1answer
439 views

How do I know if a runway has REIL?

I'm designing an airport of a flight simulator. One of the runway settings is Runway End Identifier Lights (REIL). Is there a way I can see if a runway at a US airport has REIL via the internet, and ...
6
votes
1answer
169 views

What are the requirements for grass height around runways and taxiways?

I am looking for the requirements for grass heights around runway and taxiway edges, signs and lights?
6
votes
1answer
147 views

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?
5
votes
1answer
648 views

What lights are used on top of a building or structure near an airport?

What type of light (strobe, beacon, color) should be displayed on top of a building or structure near an airport ?
5
votes
2answers
102 views

Do seaplane bases ever have marked “runways” or approach lighting?

Some seaplane bases have prescribed areas for landing, but are the landing areas marked by buoys or lights? If so are "runways" outlined in the water or just a general area? Do they have IFR ...
4
votes
1answer
460 views

How is the ALSF-II approach lighting system built and powered?

The ALSF-II approach lighting system includes lead-in groups, a decision bar, red side bars and sequenced strobes: ALSF-II approach lights for KRFD - Chicago-Rockford Intl (source). Does anyone know ...
4
votes
1answer
161 views

Why doesn’t runway 31R at JFK have a VGSI?

All of the runways at JFK have a PAPI except 31R. Why does 31R not have any kind of VGSI?
3
votes
1answer
304 views

What is a “Land And Hold Short Of” light?

A runway inspection found a "Land And Hold Short Of" (LAHSO) embedded light had become dislodged and had caused damage to a tyre. http://avherald.com/h?article=4bb1964c&opt=0 What is such a ...
3
votes
3answers
213 views

What constitutes “the lights delineating the runway”?

ICAO defines RVR as "The range over which the pilot of an aircraft on the centerline of a runway can see the runway surface markings or the lights delineating the runway or identifying its centerline."...
3
votes
1answer
439 views

Where do airports use 3-bar VASI for the visual glideslope?

What are some airports that have a 3-bar VASI system? I am trying to find some locations to compare what the chart supplements say to the supplements for those with 2-bar VASI systems.
2
votes
3answers
241 views

How are runway lights constructed?

How are runway lights constructed so that they are not damaged by aircraft wheels, and can continue to function safely, to demanding specifications, under a wide variety of environmental conditions?
2
votes
1answer
422 views

Does runway center lighting increase runway lifetime?

I wonder if the centerline lighting helps add a few more years to the runway, especially with heavy aircraft like A350/A380, in addition of being helpful for landing and takeoff? My question is based ...
2
votes
2answers
342 views

Where can I find detailed information about ground lighting systems exist in aviation?

While I'm learning jeppesen charts, I find a list of symbols related to lighting ground facilities, there are a lot of weird abbreviation such as: Standard ALSF - 1/2, MALSR, SSALR, MALS, SALS, RLLS ...
2
votes
1answer
678 views

What are the regulations for lighting fixtures around an airport?

I work for a company that is right next to an Air Force base and we were wondering what and if there are regulations for the lighting fixtures that we can install on our lot since we have a couple of ...
1
vote
2answers
329 views

What Are These Runway Lights For?

I know that the strobe lights that flash in rapid succession of each other indicate the open end of the runway, to help guide pilots in at night. It's obvious the white lights indicating the edges of ...
1
vote
1answer
131 views

Which countries in Europe allow for the use of Pilot-Controlled-Light?

In Europe is very uncommon to see this feature at airports due to the local regulations in different countries, but still some are allowed and use this system. What countries allow for its use? Please ...
0
votes
3answers
626 views

Why aren't runways lit from overhead, like highways?

Why don't runways have overhead high-mast lights like roads? YouTube videos substantiate that aircraft landing lights and runway edge lights are too faint to illuminate the whole runway, and the ...
0
votes
1answer
278 views

Can the big “X” sign be used for purposes other than runway closure? [duplicate]

About last Sunday night in the dark I was departing LAX on a redeye. We pulled away from the terminals (maybe 500m?), made a right. Looking back out the window I saw a BIG lighted X (maybe 20? 30? ...
0
votes
1answer
193 views

Do LED lights work well for CAT III B operations?

Does any airport equipped with LED lights for all the CATIII B Components? If so, is there any history that it caused difficulty in aircraft operations? We are planning to install our new runway with ...
0
votes
0answers
89 views

Distance of APAPI lights from thrshold without ILS

I require eye to wheel height (EWH) of Twin Otter Aircraft (DHC-6 400 series) to calculate the distance of APAPI lights from Threshold. Specification for the Twin Otter is available but no information ...