Timeline for What is the minimum distance allowed between two parallel runways?
Current License: CC BY-SA 3.0
16 events
| when toggle format | what | by | license | comment | |
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| Jan 10, 2018 at 22:59 | history | edited | Porcupine911 | CC BY-SA 3.0 |
Updated link to Advisory Circular
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| Jan 10, 2018 at 18:46 | comment | added | Steve Kuo | Those are guidelines and not regulation (you never answered the question). There are cases of runways right next to each other, far less than 700 feet. | |
| May 24, 2016 at 19:36 | comment | added | Porcupine911 | Thanks for the input @molgar. I've revised my answer to specify that this document is only an example of a compliant one. | |
| May 24, 2016 at 19:35 | history | edited | Porcupine911 | CC BY-SA 3.0 |
Added reference to ICAO Annex 14.
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| May 24, 2016 at 8:03 | comment | added | molgar | ICAO standards and recommended practices are not the ones linked in the answer. ICAO Annex 14 and ICAO DOC 9157, both of which directly relate to this question, can be found (bought) here: store1.icao.int | |
| May 11, 2016 at 12:51 | comment | added | Jon Story | A little late to the party, but Gatwick is an example of two runways that are too close together: Gatwick has two runways (05L/26R and 05R/26L) but only the former is used, as the latter is too close to it. 05R/26L is only used if 05L/26R can't be used (maintenance etc) | |
| Apr 6, 2015 at 13:03 | comment | added | KJP | And to note the exceptions to every rule, observe the (unofficial) grass strip to the right of 32 at 5B2 (google.com/maps/place/Saratoga+County+Airport/…). When things get busy, we frequently use this runway to simultaneously land multiple gliders, and runway 32 is only 100 feet wide. | |
| Apr 5, 2015 at 9:30 | comment | added | David Richerby | @abelenky But are they allowed to be used simultaneously? You could presumably have two runways ten feet apart if you didn't want to use them at the same time. | |
| Feb 27, 2015 at 19:19 | vote | accept | Taher Elhouderi | ||
| Feb 27, 2015 at 3:01 | comment | added | Porcupine911 | Yes, you'll find closer spacing than the FAA recommendations for existing airports. | |
| Feb 27, 2015 at 2:44 | comment | added | abelenky | The two runways at KBFI seem to have centerlines slightly under 500 ft apart. | |
| Feb 27, 2015 at 1:16 | comment | added | Porcupine911 | That's true! And 750 ft feels darn close when wingtip-to-wingtip on the 28s on a visual. It's probably no coincidence that we use SFO to practice Simultaneous Close Parallel breakouts (in the sim). | |
| Feb 27, 2015 at 1:08 | history | edited | Porcupine911 | CC BY-SA 3.0 |
Added ICAO standard link
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| Feb 27, 2015 at 1:05 | comment | added | Zach Lipton | And by a not so amazing coincidence, it just so happens that the parallel runways at SFO are 750 ft centerline to centerline. I've heard that the FAA picked this value for SOIA operations for SFO, but don't have a good cite. | |
| Feb 27, 2015 at 1:03 | review | First posts | |||
| Feb 27, 2015 at 3:29 | |||||
| Feb 27, 2015 at 1:03 | history | answered | Porcupine911 | CC BY-SA 3.0 |