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Thread: what's heavy

  1. #1
    Senior Member Tower Air's Avatar
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    what's heavy

    when u hear atc say heavy after the planes call sign what do they mean?
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  2. #2
    Senior Member Derf's Avatar
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    Re: what's heavy

    Quote Originally Posted by Tower Air
    when u hear atc say heavy after the planes call sign what do they mean?
    Aircraft taking off behind it need to wait for the wake to pass....Longer time needed for Heavy aircraft or aircraft with large wake due to wing design

    747,Dc-10, MD-11, A340, A330, A300, L-1011 and.......757 wing is horrible with the wingtip wake vortices's so that is also on the list.
    The three most common expressions in aviation are, "Why is it doing that?", "Where are we?" and "Oh Crap".

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    Senior Member cancidas's Avatar
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    the takeoff weight of the aircraft is over 250,000 lb. in addition, the wake turbulence behind some airplanes (757 namely) that they are just assigned a 'heavy designation."

    there are more rules to wake turblence, send me a PM if you want more clarification.
    it is mathematically impossible for either hummingbirds, or helicopters to fly. fortunately, neither are aware of this.

  4. #4
    Senior Member K9DEP's Avatar
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    yeah, basically 200,000/+lbs but usually also the controller will add 'caution wake turbulence from the NWA 747 . . . .'
    Jetblue Pilot departure announcement : "We are pleased to have some of the best flight attendants in the industry ...Unfortunately none of them are on this flight...!"

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    Senior Member Mateo's Avatar
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    A 757 is not referred to as heavy on the radio,* but for wake turbulence separation standards, it's treated as a heavy. And, yes, controllers will say something like 'caution wake turbulence, you're 6 in trail of a 757,' when they otherwise wouldn't say that you're 6 in trail of, say, an A320. Heavy goes on any aircraft with an MTOW over 250,000lbs.

    *ATA's 752s are certified with an MTOW of 255k, and, thus, are heavies.

  6. #6
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    This topic was discussed on some of the Aussie forums I am a member of, they might be of interest 8)
    http://jetspotter.com/phpBB2/viewtop...ighlight=heavy
    http://www.vpmag.com/yssy/viewtopic....asc&highlight=

  7. #7
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    the wake turbulence behind some airplanes (757 namely) that they are just assigned a 'heavy designation."
    Not just he 757, because airlines like BA use RB211's on their 767's and 747's!

  8. #8
    Senior Member SengaB's Avatar
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    At MDW The word "Heavy" is frequently used on all 757-200 aircraft at that airport (ATA). I have always heard a 757-300 refered to as "Heavy" no matter where what airport you are at.
    Also you might catch a Mexicana 757-200 pilot slip and use it at an airport.

    Senga

  9. #9
    Senior Member Ari707's Avatar
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    a 757-300 is over the weight limit and therefore is "heavy"
    Overheard on JFK TOWER - S Turns are fine, U-Turns are bad....

  10. #10
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    BMI at IAD and Icelandair at BWI use(d) "Heavy" with their callsign.
    Both were 757s.

    Rafal
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  11. #11
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    When it takes a 12 pack to make her look 'good' that is considered a HEAVY ;)

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