Approach Runways |
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Dene
First Officer Joined: 02 Apr 2008 Location: UK Points: 433 |
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Posted: 05 Jul 2014 at 10:48pm |
Hi,
Does a pilot know the runway on which he/she will be landing on before he/she leaves the departure airport? Or is it selected once they get closer to the arrival airport? |
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Cheers
Dene |
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allardjd
Moderator in Command Joined: 02 Apr 2008 Location: Florida - USA Points: 4506 |
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It depends primarily upon the WX. The wind at the time of arrival determines the runway or set of runways that will be in use at the destination airport.
Where multiple parallel (more or less) runways are available, often the direction from which the arrival is approaching will bias the assigned runway. AC can request a specific runway if the one offered is not desirable, but there is no requirement for ATC to comply with that. If they can accommodate you, they usually will as long as the requested runway is one of the active ones, but if it means crossing you through a busy approach path to another in-use runway it may be problematic for them. Upon initial contact with the approach controller or at least relatively early in the approach process, it is common to hear ATC advise, "Expect runway nn..." If the offered runway is unacceptable, that's the time to ask for a different one, but in the final analysis, you may or may not get the runway you want. It's wise to have all the approach plates for the arrival field easily available. Some airports have published instrument approach procedures that include an option for a "Circle to Land" operation or specific CTL approaches. These have higher minimums and visibility requirements than other forms of the same approach but if the WX cooperates, allow "breaking out" on approach to one runway and then circling to line up and land on another. These require remaining in visual conditions once the circling maneuver begins. If visual contact with the runway is lost while circling, a missed approach is required. At a busy commercial airport, a CTL approach would probably be disruptive and might not be approved anyway. The wise pilot is prepared to use any runway assigned as long as it's long enough for his aircraft at the expected landing weight. |
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John Allard
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aniceguy
Chief Pilot Joined: 03 Apr 2008 Location: EGNM Points: 4824 |
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What ^ that person said :)
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Visit http://fsprojects.netau.net for my flight sim and train sim web sites :)
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