Chamonix
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"Center":A Terse Form Of Self-Identification?

Mon May 02, 2011 8:46 pm

What is the ATC protocol regarding the term "Center"?
 
SPREE34
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RE: "Center":A Terse Form Of Self-Identification?

Mon May 02, 2011 8:51 pm

I can only address the US side of it. From the FAA Handbook (FAA Order 7110.65)

" Air route traffic control centers. State the name of the facility followed by the word "Center". "
I don't understand everything I don't know about this.
 
Chamonix
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RE: "Center":A Terse Form Of Self-Identification?

Mon May 02, 2011 9:31 pm

Is it conventional practice for pilots to drop the digit "one" when repeating the frequency to the air controller?
 
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akiss20
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RE: "Center":A Terse Form Of Self-Identification?

Mon May 02, 2011 10:04 pm

Quoting Chamonix (Reply 2):
Is it conventional practice for pilots to drop the digit "one" when repeating the frequency to the air controller?

Yes it is often done as there are no 2xx MHz frequencies used in aviation. 119.2 might become "nineteen point two" Also as ground control is typically 121.x you will often hear/say "Hold short of taxiway Alpha, ground point 9" and it is understood that ground is 121.9
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P3Orion
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RE: "Center":A Terse Form Of Self-Identification?

Mon May 02, 2011 11:11 pm

Quoting AKiss20 (Reply 3):
Yes it is often done as there are no 2xx MHz frequencies used in aviation.

What about military UHF freqs? Every ATC facility has them as well.
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bond007
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RE: "Center":A Terse Form Of Self-Identification?

Tue May 03, 2011 12:54 am

Quoting P3Orion (Reply 4):
What about military UHF freqs? Every ATC facility has them as well.

Well, they would be using UHF on initial contact, so wouldn't be passed off to another center as "nineteen two". I've never heard (or actually used), an abbreviated frequency for UHF.

Jimbo
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sccutler
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RE: "Center":A Terse Form Of Self-Identification?

Tue May 03, 2011 4:22 am

1.

GRK APP: "Bonanza Niner Two romeo, contact Houston Center on one three four point two."

92R: "Contact Houston Center, one three four point two, Niner Two Romeo, G'day."

(changes frequency)

92R: "Houston Center, Bonanza One Two Niner Two Romeo, level one zero, ten thousand feet."

ZHU: "Bonanza niner two romeo, Junction altimeter two niner niner seven."

92R: "Two niner niner seven, Niner two romeo."

2.

Frequency rarely abbreviated, except (as noted above) "Ground point ____" (meaning, 121.___).
...three miles from BRONS, clear for the ILS one five approach...
 
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akiss20
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RE: "Center":A Terse Form Of Self-Identification?

Tue May 03, 2011 4:39 am

Quoting P3Orion (Reply 4):
Quoting AKiss20 (Reply 3):
Yes it is often done as there are no 2xx MHz frequencies used in aviation.

What about military UHF freqs? Every ATC facility has them as well.

Sorry I guess I should have clarified, civil aviation  
Quoting sccutler (Reply 6):

While this is following 7110.65, I know I have heard a lot of frequency abbreviations from both pilots and controllers. Maybe it's because I fly in the NYC metro area and NY controllers have a tendency to go off 7110.65 semi-frequently?
Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are
 
bond007
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RE: "Center":A Terse Form Of Self-Identification?

Tue May 03, 2011 7:25 am

Quoting AKiss20 (Reply 7):
While this is following 7110.65, I know I have heard a lot of frequency abbreviations from both pilots and controllers. Maybe it's because I fly in the NYC metro area and NY controllers have a tendency to go off 7110.65 semi-frequently?

The ground control abbreviation is in 7110.65. No others are though:

"... except the following may be omitted:

The numbers preceding the decimal point if the ground control frequency is in the 121 MHz bandwidth. "


Jimbo
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