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Average Runway Length  
User currently offlineCmk10 From United States of America, joined Feb 2004, 513 posts, RR: 3
Posted (12 years 1 month 2 weeks 2 days 3 hours ago) and read 20937 times:

A bunch of people from Physics came up to me today and said theyd needed to know the average length of a runway for a problem. I said it was about 5,800 feet. Am I right? If not what is the answer?
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"Traveling light is the only way to fly" - Eric Clapton
6 replies: All unread, jump to last
 
User currently offlineGD727 From United States of America, joined Mar 2002, 925 posts, RR: 10
Reply 1, posted (12 years 1 month 2 weeks 2 days 3 hours ago) and read 20921 times:

CMK10: If you are talking about all airports (including small GA airports) I would say you are right. But if you are talking about commercial airports only, I would say about 7,200 feet. Just my opinion, hope it helps.

-GD727



Mmmm forbidden donut.
User currently offlineTbird From United States of America, joined Oct 2001, 851 posts, RR: 19
Reply 2, posted (12 years 1 month 2 weeks 2 days 3 hours ago) and read 20913 times:

Greetings:

Tough question to answer. There are thousands of airports in the world, some with commercial jet service and some without. The question could also be asked other ways, an example lets say "What's the average size of runway equipped to handle commercial jet traffic". The question posed to you is to general and abstract. If I had to answer it, my thinking would be that all newly built airports equipped to handle commercial jet traffic would have to have an average runway size of 7000 feet.

Regards
Tom


User currently offlineJessman From United States of America, joined Jul 2001, 1506 posts, RR: 7
Reply 3, posted (12 years 1 month 2 weeks 2 days 2 hours ago) and read 20907 times:

It depends on the country. Here are the stats for the United States. from http://www.odci.gov/cia/publications/factbook/index.html

You could get information about any country from this website concerning the number of airfields and the average runway length, measured in meters, 1meter > 3ft.

Airports: 14,720 (2000 est.)

Airports - with paved runways: total: 5,174

over 3,047 m: 182

2,438 to 3,047 m: 220

1,524 to 2,437 m: 1,331

914 to 1,523 m: 2,440

under 914 m: 1,001 (2000 est.)
Airports - with unpaved runways: total: 9,546

over 3,047 m: 3

2,438 to 3,047 m: 6

1,524 to 2,437 m: 164

914 to 1,523 m: 1,675

under 914 m: 7,698 (2000 est.)


It looks like here most runways are less than 5000 ft.


User currently offlineBA From United States of America, joined May 2000, 11153 posts, RR: 59
Reply 4, posted (12 years 1 month 2 weeks 2 days 2 hours ago) and read 20901 times:

Add up all the runways in every airport in the world, then divide that number by the total amount of runways in every airport in the world and you will get your average. Big grin

Okay, well I'd say that's a difficult question to answer without doing the math I mentioned above. From guessing, I would have to say somewhere between 7000-8000 feet. But like the others said it's quite difficult. Commercial airports obviously have longer runways than General Aviation airports so the average really will not be all that accurate.

Regards



"Generosity is giving more than you can, and pride is taking less than you need." - Khalil Gibran
User currently offlineFlyf15 From , joined Dec 1969, posts, RR:
Reply 5, posted (12 years 1 month 2 weeks 2 days 2 hours ago) and read 20885 times:

I actually have wondered this myself, so much so that I ended up averaging up 10 random states' paved public runways. Then by averaging these (I know, not totally accurate due to the fact that some of the states had more runways than others) I got an average runway size of 4847x90ft.

Here are the individual state's lengths and widths.

CT 3697 100
NC 4639 99
CO 6309 82
VA 4343 90
UT 5782 89
DE 4514 98
MD 3963 87
AR 4450 88
WY 6340 94
KS 4436 76


User currently offlineTrickijedi From United States of America, joined May 2001, 3266 posts, RR: 4
Reply 6, posted (12 years 1 month 2 weeks 2 days 2 hours ago) and read 20871 times:

The key question, as GD727 pointed out, is: Does "airports" include small airfields or just commercial airports with regularly scheduled airline service?

If it's the latter, then you don't really need to collect data on each and every airport that is served by the airlines. You can just take a sample of airports from, say, every region of the country (I'm assuming of course that you mean only U.S. airports). You can take, for example, runway lengths of 5 airports on the West Coast, 6 in the Midwest, 7 in the East Coast, 6 from Southern airports, etc. and then just figure out your average from that. If you did it right, it should repreent the majority of runway lengths for most of the major airports in the U.S.. It also represents its average.



Its better to be on the ground wishing you were in the air than be in the air wishing you were on the ground. Fly safe!
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