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Parallel Runways  
User currently offlineG-KIRAN From United Kingdom, joined Jun 2000, 736 posts, RR: 0
Posted (14 years 1 month 2 weeks 4 days 15 hours ago) and read 1155 times:

Does anyone do the minimum distance between 2 parallel runways so that they can be used at the same time?

7 replies: All unread, jump to last
 
User currently offlineAFa340-300E From France, joined May 1999, 2084 posts, RR: 26
Reply 1, posted (14 years 1 month 2 weeks 4 days 13 hours ago) and read 1075 times:

Hello,

I know that parallels runways are at maximum 750m far one from the other to be considered as parallels.

Best regards,
Alain Mengus


User currently offlineMcomess From United States of America, joined Jun 2000, 66 posts, RR: 0
Reply 2, posted (14 years 1 month 2 weeks 4 days 1 hour ago) and read 1049 times:

In order to operate simultaneous operations (two aircraft landing at the same time), you need 4300 feet inbetween the centerlines of your parrellel runways.

User currently offlineTimz From United States of America, joined Sep 1999, 6895 posts, RR: 7
Reply 3, posted (14 years 1 month 2 weeks 3 days 5 hours ago) and read 1016 times:

The 4300-ft rule (US only?) refers to simultaneous independent instrument landings. If ATC keeps the aircraft staggered (i.e. not alongside each other) ILS approaches can be flown to closer parallel runways, and of course in clear weather airliners land side-by-side on SFO's runways 28L/R, which are 750 ft center to center. The legal minimum is maybe 700 ft (?).

User currently offlineIainhol From , joined Dec 1969, posts, RR:
Reply 4, posted (14 years 1 month 2 weeks 3 days 2 hours ago) and read 1004 times:

At SNA the runways are quite close together between each hold short bar there is barely enough room for a 757. So I would guess it is about 200 feet. With 19L being 75 feet and 19R 150 feet, that makes them very close together.
Iain


User currently offlineTimz From United States of America, joined Sep 1999, 6895 posts, RR: 7
Reply 5, posted (14 years 1 month 2 weeks 3 days 1 hour ago) and read 1001 times:

If we can believe the lats and lons on www.airnav.com then SNA's two runways are 500 to 501 ft apart, center to center.

User currently offlineA student From , joined Dec 1969, posts, RR:
Reply 6, posted (14 years 1 month 2 weeks 2 days 17 hours ago) and read 985 times:

What about FRA? as far as I know they cannot use their runways simultaneously for landings. Hopw far are they apart?

User currently offlineIainhol From , joined Dec 1969, posts, RR:
Reply 7, posted (14 years 1 month 2 weeks 2 days 11 hours ago) and read 978 times:

We land on both of them all the time but they can not do dual ILS approaches, which requires more room.
Iain


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