LY744
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How High Is Super High (ATC Sectors In The U.S.)

Wed Jul 09, 2008 7:13 pm

I've recently come across listings of enroute ATC sector names and frequencies for American ARTCCs. I've been wondering if there's a way to tell what kind of altitude each type of sector covers. I imagine the exact value varies from center to center and maybe sector to sector, but some ballpark figures would be nice. So what kind of altitudes/FLs are typical enroute sectors in charge of, e.g.:

Low
High
Super High
Ultra High


LY744.
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N353SK
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RE: How High Is Super High (ATC Sectors In The U.S.)

Wed Jul 09, 2008 8:11 pm

Well, not exactly sure, but I know that low is is class E airspace from 0 - 17,999 msl and high is class A airspace from FL180 - FL600. I'd assume that above 60,000 would be super high as that's where the airspace reverts to class E, but I couldn't even begin to guess where "super high" begins.
 
KELPkid
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RE: How High Is Super High (ATC Sectors In The U.S.)

Wed Jul 09, 2008 8:27 pm



Quoting N353SK (Reply 1):
Well, not exactly sure, but I know that low is is class E airspace from 0 - 17,999 msl and high is class A airspace from FL180 - FL600. I'd assume that above 60,000 would be super high as that's where the airspace reverts to class E, but I couldn't even begin to guess where "super high" begins.

Something like 98% of all air traffic is usually handled at FL410 and below in the US...almost everything above is military or bizjets  Smile I wouldn't be suprised if the definition of "super high" begins at FL420.
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timz
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RE: How High Is Super High (ATC Sectors In The U.S.)

Wed Jul 09, 2008 10:04 pm

Is FL230-240 usually (always?) the divide between low and high?
 
P3Orion
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RE: How High Is Super High (ATC Sectors In The U.S.)

Thu Jul 10, 2008 12:08 am

Low sectors at ARTCC's are, typically, FL230 and below (excluding TRACON airspace). Highs are FL240 and above. Super Highs, where they exist, are FL350 and above. I have never heard of Ultra High's. This, of course is not set in stone. When I worked at Washington ARTCC, My Area had two Low sectors (Casino-51 and Kenton-53) that went from 80 to 170. I enjoyed working those two sectors. They were fun. I was never a fan of the High's. There was a lot of: "How are the rides?" and "Can we get direct?"

[Edited 2008-07-09 17:32:37]
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LY744
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RE: How High Is Super High (ATC Sectors In The U.S.)

Thu Jul 10, 2008 1:35 am



Quoting P3Orion (Reply 4):
Low sectors at ARTCC's are, typically, FL230 and below (excluding TRACON airspace).

Cool. By the way, I'm assuming that the Low sector controller is also in charge of the class E airspace below 18,000, including any V airways?

Quoting P3Orion (Reply 4):
Highs are FL240 and above. Super Highs, where they exist, are FL350 and above. I have never heard of Ultra High's.

Thanks! I saw Ultra Highs under the Cleveland ARTCC.


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P3Orion
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RE: How High Is Super High (ATC Sectors In The U.S.)

Thu Jul 10, 2008 1:42 am



Quoting LY744 (Reply 5):
Cool. By the way, I'm assuming that the Low sector controller is also in charge of the class E airspace below 18,000, including any V airways?

I'm not sure of your question, if an aircraft is in that airspace, the controller is working him.
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LY744
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RE: How High Is Super High (ATC Sectors In The U.S.)

Thu Jul 10, 2008 2:35 am



Quoting P3Orion (Reply 6):

I'm not sure of your question, if an aircraft is in that airspace, the controller is working him.

Yeah that question was a bit redundant, it's clear now.


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