ATIS

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Erfandean
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Posts: 26
Joined: Tue Oct 10, 2017 4:27 pm

ATIS

Fri Jan 19, 2018 2:20 pm

What does "Altimeter 1009" mean in ATIS?
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zeke
Posts: 18047
Joined: Thu Dec 14, 2006 1:42 pm

Re: ATIS

Fri Jan 19, 2018 2:24 pm

Its the QNH in mb
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jetblastdubai
Posts: 2390
Joined: Sun Aug 18, 2013 10:23 am

Re: ATIS

Fri Jan 19, 2018 2:36 pm

Erfandean wrote:
What does "Altimeter 1009" mean in ATIS?


1009 would be a QNH value in hPa (hectopascals) and is not used in the US. I can't think of any situation where the word "altimeter" would ever be used with a QNH value.

http://www.aviatorjoe.net/go/wx/KORD/ - US metar

http://www.aviatorjoe.net/go/wx/RJAA/ - ICAO metar
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GalaxyFlyer
Posts: 12403
Joined: Fri Jan 01, 2016 4:44 am

Re: ATIS

Fri Jan 19, 2018 4:22 pm

In the ORD MET, the “A” before four numbers stands for Altimeter.

GF
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GalaxyFlyer
Posts: 12403
Joined: Fri Jan 01, 2016 4:44 am

Re: ATIS

Fri Jan 19, 2018 4:22 pm

In the ORD MET, the “A” before four numbers stands for Altimeter.

GF
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Lpbri
Posts: 331
Joined: Tue Sep 27, 2016 7:18 pm

Re: ATIS

Fri Jan 19, 2018 9:44 pm

Do Military air bases still use pressure altitude?
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CosmicCruiser
Posts: 2622
Joined: Tue Feb 22, 2005 3:01 am

Re: ATIS

Fri Jan 19, 2018 10:21 pm

Actually the A doesn't mean altimeter. A before the altimeter indicates QNH in inches HG; Q is QNH in millibars. The word Altimeter would be used on the voice ATIS.
No one mentioned the SLP 083 on the metar. That's calculated sea level pressure in millibars.
That site Altimeter Joe was a little weird as it gave relative humidity which isn't on the ATIS.
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GalaxyFlyer
Posts: 12403
Joined: Fri Jan 01, 2016 4:44 am

Re: ATIS

Fri Jan 19, 2018 10:22 pm

What do you mean? We all use QNH, altimeter setting for the altimeters. The performance charts do need PA and it is either added to the ATIS or calculated.

GF
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CosmicCruiser
Posts: 2622
Joined: Tue Feb 22, 2005 3:01 am

Re: ATIS

Fri Jan 19, 2018 11:02 pm

not sure what you are referring to. I just posted the A is for inches HG and Q is for millibars both being QNH. At the end of the METAR is the SLPxxxx and that is the station pressure in millibars.
and I have been to at least one airport that used QFE and if you wanted QNH you had to convert it.
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GalaxyFlyer
Posts: 12403
Joined: Fri Jan 01, 2016 4:44 am

Re: ATIS

Sat Jan 20, 2018 12:21 am

I get my exercise leaping to conclusions, Cosmic Cruiser
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CosmicCruiser
Posts: 2622
Joined: Tue Feb 22, 2005 3:01 am

Re: ATIS

Sat Jan 20, 2018 12:35 am

LOL!
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