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Calm wind takeoff

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Old 25th Sep 2009, 13:52
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Calm wind takeoff

Hey all

I've tried to search without luck for an answer to this....

anyway, are there any hard and fast rules which say which runway is used for takeoff in truly calm weather?
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Old 25th Sep 2009, 18:40
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At most airfields there is probably nothing laid down but some have strict noise abatement rules so that there will be a preferential direction to use up to certain wind/weather conditions. Apart from that, in deciding which runway to use ATC will check with Met for wind forecasts to determine which runway will be used later. In that case they'll probably use the one in calm conditions will will be the one needed when the wind gets up.
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Old 25th Sep 2009, 19:14
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It is common, other traffic allowing, for an aircraft to be permitted to use the most favourable runway direction for it's routeing or taxy distance to the threshold - thus saving time/fuel.

The fact that this direction overflies the captain's house, so he can check whose car is in his drive, may also be taken into consideration
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Old 25th Sep 2009, 21:39
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Thanks for the replies.

On the subject, assuming ATC allow aircraft the departure of choice in such conditions (IE ideal for the pilots), does the 'type' of departure come into play? For example if the westerly heading involves very strict noise abatement* and possibly a quick direction change, and the easterly is an 'easy' 'straight out', would ATC use that to cut down pilot (and ATC) wokload (IE pilots have less to do in the initial climb, and ATC need not be monitoring to ensure that a turn has been observed, etc)

*EDIT noise abatement has of course been answered, so I'm more thinking about other factors (IE heading change)
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Old 25th Sep 2009, 21:46
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Not really a consideration
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Old 25th Sep 2009, 23:28
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I've seen aircraft landing and departing in 3 different directions at a North African International Airport, all within 5 minutes, on cross runways with winds calm.
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Old 26th Sep 2009, 09:11
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Actually this reminds me, I flew from Dalaman (6hrs Later than scheduled) it was about 2am Local time, and they were landing Runway 01R, departing 01R and mostly departing towards the water off 19L They were going both directions most of the time, however no landings towards 19L.
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Old 27th Sep 2009, 19:29
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HeathrowAirport - I experienced the exact same at Dalaman, no more than 2 months ago. Quite interesting to watch...
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