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Web500sjc
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Posts: 889
Joined: Tue Sep 15, 2009 4:23 am

Crosswind And Airliners

Sun Dec 26, 2010 3:07 pm

Right now I am sitting in kew west where the wind is blowing. I was wondering if airlines would take there cross wind off of the gust or steady wind- also I wouldn't mind knowing the dcc of an atr, I am flying on
American today.

Thanks
 
Boeing77W
Posts: 171
Joined: Tue May 15, 2007 6:27 am

RE: Crosswind And Airliners

Sun Dec 26, 2010 3:46 pm

It depends on the airline. We use half of the gust value.
 
swiftski
Posts: 1837
Joined: Tue Dec 19, 2006 6:19 am

RE: Crosswind And Airliners

Sun Dec 26, 2010 4:03 pm

We are quite cautious.

When flight planning we will not go in if the forecast gust exceeds the crosswind limit.

Example:

Crosswind Limit 25Kts, Rwy 36

- TAF of 090/20G26KTS we would not go

- TAF of 090/03G25KTS we would, even though the Gust Component is greater.
 
soon7x7
Posts: 2267
Joined: Thu May 04, 2006 10:51 am

RE: Crosswind And Airliners

Sun Dec 26, 2010 4:17 pm

Sometimes a crew may refuse the x-wind runway opting for an alternative...this past spring @ JFK while R-31L was closed for construction an AA captain (767/200) refused R-4R as the NW winds were gusting 35+...he said he would be forced to declare an emergency if he could not get 31-R. He did disrupt normal flow into the area by being re vectored...but he was the captain and made the call...who's to argue?...Captain calls it...g

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